Valérie Issarny

Context-Aware Service Composition in Pervasive Computing Environments (2006)

The vision of ubiquitous computing is becoming a reality thanks to the advent of portable devices and the advances in wireless networking technologies. It aims to facilitate user tasks through...

Ben Mokhtar, Sonia, Fournier, Damien, Georgantas, Nikolaos, Issarny, Valérie

A major challenge in pervasive computing environments is to provide users with complex, context-sensitive applications, dynamically composed from networked services. In this paper, we present an...

Maximal Group Membership in Ad Hoc Networks (2006)

Filali, Mamoun, Issarny, Valérie, Mauran, Philippe, Padiou, Gérard, Quéinnec, Philippe

The notion of Group communication has long been introduced as a core service of distributed systems. More recently, this notion appeared with a somewhat different meaning in the field of mobile ad...

Service discovery in multi-radio networks: an assessment of existing protocols (2006)

Charlet, Damien, Issarny, Valérie, Chibout, Rafik

The wide deployment of mobile networks and the emergence of powerful portable devices has given core to pervasive computing. As particularly addressed by Beyond 3G (B3G) networks, the recent...

Efficient Context-aware Service Discovery in Multi-Protocol Pervasive Environments (2006)

Raverdy, Pierre-Guillaume, Riva, Oriana, De La Chapelle, Agnès, Chibout, Rafik, Issarny, Valérie

Service discovery is a critical functionality of emerging pervasive computing environments. In such environments, service discovery mechanisms need to (i) overcome the heterogeneity of hardware...

Engineering Reconfigurable Distributed Software Systems: Issues Arising for Pervasive Computing (2006)

Zarras, Apostolos, Fredj, Manel, Georgantas, Nikolaos, Issarny, Valérie

This chapter establishes a common base for discussing reconfigurability in distributed software systems in general and in pervasive systems in particular, by introducing a generic reconfiguration...

Towards ad hoc contextual services for pervasive computing (2006)

Fournier, Damien, Ben Mokhtar, Sonia, Georgantas, Nikolaos, Issarny, Valérie

Context-awareness is a key challenge for pervasive computing, as it is a prime requirement towards delivering applications to users in a way that best matches user requirements, digital resources...

Efficient Semantic Service Discovery in Pervasive Computing Environments (2006)

Ben Mokhtar, Sonia, Kaul, Anupam, Georgantas, Nikolaos, Issarny, Valérie

Service-oriented architectures, and notably Web Services, are becoming an incontrovertible paradigm for the development of applications in pervasive computing environments, as they enable publishing...

An incentive compatible reputation mechanism for ubiquitous computing environments (2006)

Context-Aware Service Composition in Pervasive Computing Environments (2006)

The vision of ubiquitous computing is becoming a reality thanks to the advent of portable devices and the advances in wireless networking technologies. It aims to facilitate user tasks through...

Ben Mokhtar, Sonia, Fournier, Damien, Georgantas, Nikolaos, Issarny, Valérie

A major challenge in pervasive computing environments is to provide users with complex, context-sensitive applications, dynamically composed from networked services. In this paper, we present an...

Maximal Group Membership in Ad Hoc Networks (2006)

Filali, Mamoun, Issarny, Valérie, Mauran, Philippe, Padiou, Gérard, Quéinnec, Philippe

The notion of Group communication has long been introduced as a core service of distributed systems. More recently, this notion appeared with a somewhat different meaning in the field of mobile ad...

INDISS: Interoperable Discovery System for Networked Services (2005)

INDISS: Interoperable Discovery System for Networked Services (2005)

The emergence of handheld devices associated with wireless technologies has introduced new challenges for middleware. First, mobility is becoming a key characteristic; mobile devices may move around...

Service Discovery Protocol Interoperability in the Mobile Environment (2005)

The emergence of handheld devices associated with wireless technologies has introduced new challenges for middleware. First, mobility is becoming a key characteristic; mobile devices may move around...

Service Discovery Protocol Interoperability in the Mobile Environment (2005)

The emergence of portable computers and wireless technologies has introduced new challenges for middleware. Mobility brings new requirements and is becoming a key characteristic. Mobile devices may...

Agere Systems Inc. Specifications for ORiNOCO World PC (2005)

The emergence of portable computers and wireless technologies has introduced new challenges for middleware. Mobility brings new requirements and is becoming a key characteristic. Mobile devices may...

Mamoun Filali, Valérie Issarny, Gérard Padiou

Abstract. The notion of Group communication has long been introduced as a core service of distributed systems. More recently, this notion appeared with a somewhat different meaning in the field of...

Developing ambient intelligence systems: A solution based on web services (2005)

Valérie Issarny, Daniele Sacchetti, Ferda Tartanoglu, Françoise Sailhan, Rafik Chibout, Nicole Levy, ...

Abstract. Enabling the ambient intelligence vision means that consumers will be provided with universal and immediate access to available content and services, together with ways of effectively...

A Three Round Authenticated Group Key Agreement Protocol for Ad hoc Networks (2005)

Daniel Augot, Raghav Bhaskar A, Valérie Issarny, Daniele Sacchetti B

Group Key Agreement (GKA) protocols enable the participants to derive a key based on each one’s contribution over a public network without any central authority. They also provide efficient ways to...

INDISS: Interoperable Discovery System for Networked Services (2005)

Yérom-david Bromberg, Valérie Issarny

Abstract. The emergence of handheld devices associated with wireless technologies has introduced new challenges for middleware. First, mobility is becoming a key characteristic; mobile devices may...

An Efficient Group Key Agreement Protocol for Ad hoc Networks (2005)

Daniel Augot, Raghav Bhaskar, Valérie Issarny, Daniele Sacchetti

A Group Key Agreement (GKA) protocol is a mechanism to establish a cryptographic key for a group of participants, based on each one’s contribution, over a public network. The key, thus derived, can...

Developing ambient intelligence systems: A solution based on web services (2005)

Valérie Issarny, Daniele Sacchetti, Ferda Tartanoglu, Françoise Sailhan, Rafik Chibout, Nicole Levy, ...

Abstract. Enabling the ambient intelligence vision means that consumers will be provided with universal and immediate access to available content and services, together with ways of effectively...

Ad Hoc Composition of User Tasks in Pervasive Computing Environments (2005)

Sonia Ben Mokhtar, Nikolaos Georgantas, Valérie Issarny

Abstract. Due to the large success of wireless networks and portable devices, the pervasive computing paradigm is becoming a reality. One of the most challenging objectives to be achieved in...

Specifying Web Services Recovery Support with Conversations (2005)

Ferda Tartanoglu, Valérie Issarny

Web services offer a number of valuable features towards supporting the development of open distributed systems, built out of the composition of autonomous services. Nonetheless, the resulting...

An Efficient Group Key Agreement Protocol for Ad hoc Networks (2005)

Daniel Augot, Raghav Bhaskar, Valérie Issarny, Daniele Sacchetti

A Group Key Agreement (GKA) protocol is a mechanism to establish a cryptographic key for a group of participants, based on each one’s contribution, over a public network. The key, thus derived, can...

INDISS: Interoperable Discovery System for Networked Services (2005)

Yérom-david Bromberg, Valérie Issarny

Abstract. The emergence of handheld devices associated with wireless technologies has introduced new challenges for middleware. First, mobility is becoming a key characteristic; mobile devices may...

Group management for mobile Ad Hoc networks: design, implementation and experiment (2005)

Liu, Jinshan, Sacchetti, Daniele, Sailhan, Françoise, Issarny, Valérie

Mobile ad hoc networks (MANET) oer a convenient basis toward realization of pervasive computing, due to its ease of deployment and inherent support for anytime, anywhere network access for mobile...

Ad Hoc Composition of User Tasks in Pervasive Computing Environments (2005)

Ben Mokhtar, Sonia, Georgantas, Nikolaos, Issarny, Valérie

Due to the large success of wireless networks and portable devices, the pervasive computing paradigm is becoming a reality. One of the most challenging objectives to be achieved in pervasive...

An Efficient Group Key Agreement Protocol for Ad Hoc Networks (2005)

Augot, Daniel, Bhaskar, Raghav, Issarny, Valérie, Sacchetti, Daniele

A Group Key Agreement (GKA) protocol is a mechanism to establish a cryptographic key for a group of participants, based on each one's contribution, over a public network. The key, thus derived, can...

Specifying Web Service Recovery Support with Conversations (2005)

Tartanoglu, Ferda, Issarny, Valérie

Web services offer a number of valuable features towards supporting the development of open distributed systems, built out of the composition of autonomous services. Nonetheless, the resulting...

Developing Ambient Intelligence Systems: A Solution based on Web Services (2005)

Issarny, Valérie, Sacchetti, Daniele, Tartanoglu, Ferda, Sailhan, Françoise, Chibout, Rafik, Lévy, Nicole, ...

Enabling the ambient intelligence vision means that consumers will be provided with universal and immediate access to available content and services, together with ways of effectively exploiting...

Scalable Service Discovery for MANET (2005)

QoS-aware dynamic service composition in ambient intelligence environments (2005)

Mobile Ad hoc NETworks (MANETs) conveniently complement infrastructure-based networks, allowing mobile nodes to spontaneously form a network and share their services, including bridging with other...

Ben Mokhtar, Sonia, Liu, Jinshan, Georgantas, Nikolaos, Issarny, Valérie

Due to the large success of wireless networks and handheld devices, the ambient intelligence (AmI) paradigm is becoming a reality. One of the most challenging objectives to achieve in AmI...

Improving the memory management performance of RTSJ (2005)

Higuera-Toledano, M. Teresa, Issarny, Valérie

From a real-time perspective, the garbage collector (GC) introduces unpredictable pauses that are not tolerated by real-time tasks. Real-time collectors eliminate this problem but introduce a high...

Context-Aware Service Discovery in Heterogeneous Networks (2005)

Raverdy, Pierre-Guillaume, Issarny, Valérie

Pervasive environments bring new challenges for service management, as clients have to handle large collections of services offered by concurrent networks at their location, as well as services on...

Semantics-Aware Services for the Mobile Computing Environment (2005)

Georgantas, Nikolaos, Ben Mokhtar, Sonia, Tartanoglu, Ferda, Issarny, Valérie

Today's wireless networks and devices support the dynamic composition of mobile distributed systems according to networked services and resources. This has in particular led to the introduction of a...

The Amigo Service Architecture for the Open Networked Home Environment (2005)

Georgantas, Nikolaos, Ben Mokhtar, Sonia, Bromberg, David, Issarny, Valérie, Kalaoja, Jarmo, Kantorovitch, Julia, ...

The Amigo project aims to develop a networked home system enabling the ambient intelligence / pervasive computing vision by effectively integrating devices and their hosted services in today's home....

Service Discovery Protocol Interoperability in the Mobile Environment (2005)

Group management for mobile Ad Hoc networks: design, implementation and experiment (2005)

The emergence of portable computers and wireless technologies has introduced new challenges for middleware. Mobility brings new requirements and is becoming a key characteristic. Mobile devices may...

Liu, Jinshan, Sacchetti, Daniele, Sailhan, Françoise, Issarny, Valérie

Mobile ad hoc networks (MANET) oer a convenient basis toward realization of pervasive computing, due to its ease of deployment and inherent support for anytime, anywhere network access for mobile...

Ad Hoc Composition of User Tasks in Pervasive Computing Environments (2005)

Ben Mokhtar, Sonia, Georgantas, Nikolaos, Issarny, Valérie

Due to the large success of wireless networks and portable devices, the pervasive computing paradigm is becoming a reality. One of the most challenging objectives to be achieved in pervasive...

An Efficient Group Key Agreement Protocol for Ad Hoc Networks (2005)

Augot, Daniel, Bhaskar, Raghav, Issarny, Valérie, Sacchetti, Daniele

A Group Key Agreement (GKA) protocol is a mechanism to establish a cryptographic key for a group of participants, based on each one's contribution, over a public network. The key, thus derived, can...

Specifying Web Service Recovery Support with Conversations (2005)

Tartanoglu, Ferda, Issarny, Valérie

Web services offer a number of valuable features towards supporting the development of open distributed systems, built out of the composition of autonomous services. Nonetheless, the resulting...

Developing Ambient Intelligence Systems: A Solution based on Web Services (2005)

Issarny, Valérie, Sacchetti, Daniele, Tartanoglu, Ferda, Sailhan, Françoise, Chibout, Rafik, Lévy, Nicole, ...

Enabling the ambient intelligence vision means that consumers will be provided with universal and immediate access to available content and services, together with ways of effectively exploiting...

Scalable Service Discovery for MANET (2005)

QoS-aware dynamic service composition in ambient intelligence environments (2005)

Mobile Ad hoc NETworks (MANETs) conveniently complement infrastructure-based networks, allowing mobile nodes to spontaneously form a network and share their services, including bridging with other...

Ben Mokhtar, Sonia, Liu, Jinshan, Georgantas, Nikolaos, Issarny, Valérie

Due to the large success of wireless networks and handheld devices, the ambient intelligence (AmI) paradigm is becoming a reality. One of the most challenging objectives to achieve in AmI...

Improving the memory management performance of RTSJ (2005)

Higuera-Toledano, M. Teresa, Issarny, Valérie

From a real-time perspective, the garbage collector (GC) introduces unpredictable pauses that are not tolerated by real-time tasks. Real-time collectors eliminate this problem but introduce a high...

Context-Aware Service Discovery in Heterogeneous Networks (2005)

Raverdy, Pierre-Guillaume, Issarny, Valérie

Pervasive environments bring new challenges for service management, as clients have to handle large collections of services offered by concurrent networks at their location, as well as services on...

Semantics-Aware Services for the Mobile Computing Environment (2005)

Georgantas, Nikolaos, Ben Mokhtar, Sonia, Tartanoglu, Ferda, Issarny, Valérie

Today's wireless networks and devices support the dynamic composition of mobile distributed systems according to networked services and resources. This has in particular led to the introduction of a...

The Amigo Service Architecture for the Open Networked Home Environment (2005)

Georgantas, Nikolaos, Ben Mokhtar, Sonia, Bromberg, David, Issarny, Valérie, Kalaoja, Jarmo, Kantorovitch, Julia, ...

The Amigo project aims to develop a networked home system enabling the ambient intelligence / pervasive computing vision by effectively integrating devices and their hosted services in today's home....

Service Discovery Protocol Interoperability in the Mobile Environment (2005)

Using Group Management to Tame Mobile Ad Hoc Networks (2005)

The emergence of portable computers and wireless technologies has introduced new challenges for middleware. Mobility brings new requirements and is becoming a key characteristic. Mobile devices may...

Boulkenafed, Malika, Sacchetti, Daniele, Issarny, Valérie

Mobile ad hoc networks (MANET) offer a convenient basis towards pervasive computing, due to inherent support for anytime, anywhere network access for mobile users. However, the development of...

Using Group Management to Tame Mobile Ad Hoc Networks (2005)

Boulkenafed, Malika, Sacchetti, Daniele, Issarny, Valérie

Mobile ad hoc networks (MANET) offer a convenient basis towards pervasive computing, due to inherent support for anytime, anywhere network access for mobile users. However, the development of...

Model-Driven Dependability Analysis of (2004)

Apostolos Zarras, Panos Vassiliadis, Valérie Issarny

Abstract. This paper focuses on the development of a principled methodology for the dependability analysis of composite Web services. The first step of the methodology involves a UML representation...

Software Architecture for Mobile Distributed Computing (2004)

Valérie Issarny, Ferda Tartanoglu, Jinshan Liu, Françoise Sailhan

Today’s wireless networks and devices support the dynamic composition of mobile distributed systems, according to device connectivity. This has in particular led to the introduction of a number of...

On service allocation in selfish mobile ad hoc networks (2004)

Jinshan Liu, Valérie Issarny

Abstract. Incentive scheme for stimulating service provision in Mobile Ad hoc NETworks (MANET) has been under intensive investigation due to its significance to the operation of MANET. This paper...

Issarny: Model-Driven Dependability Analysis of Web Services (2004)

Apostolos Zarras, Panos Vassiliadis, Valérie Issarny

Abstract. This paper focuses on the development of a principled methodology for the dependability analysis of composite Web services. The first step of the methodology involves a UML representation...

Service Discovery Protocols Interoperability in the Mobile Environment (2004)

Yérom-david Bromberg, Valérie Issarny

Abstract. The emergence of portable computers and wireless technologies has introduced new challenges for middleware. Mobility brings new requirements and is becoming a key characteristic. Mobile...

Enhanced reputation mechanism for mobile ad hoc networks (2004)

Jinshan Liu, Valérie Issarny

Abstract. Interactions between entities unknown to each other are inevitable in the ambient intelligence vision of service access anytime, anywhere. Trust management through a reputation mechanism to...

Memory Management for Real-Time Java: An Efficient Solution using Hardware Support (2004)

Higuera-Toledano, M. Teresa, Banâtre, Michel, Lesot, Jean-Philippe, Parain, Frédéric, Cabillic, Gilbert, Issarny, Valérie

No abstract

Model-Driven Dependability Analysis of WebServices (2004)

Zarras, Apostolos, Vassiliadis, Panos, Issarny, Valérie

This paper focuses on the development of a principled methodology for the dependability analysis of composite Web services. The first step of the methodology involves a UML representation for the...

Enhanced Reputation Mechanism for Mobile Ad Hoc Networks (2004)

Service Allocation in Selfish Mobile Ad Hoc Networks Using Vickrey Auction (2004)

Interactions between entities unknown to each other are inevitable in the ambient intelligence vision of service access anytime, anywhere. Trust management through a reputation mechanism to...

QoS-Aware Service Location in Mobile Ad-Hoc Networks (2004)

Incentive scheme for stimulating service provision in Mobile Ad hoc NETworks (MANET) has been under intensive investigation due to its significance to the operation of MANET. This paper applies...

Memory Management for Real-Time Java: An Efficient Solution using Hardware Support (2004)

No abstract

Higuera-Toledano, M. Teresa, Banâtre, Michel, Lesot, Jean-Philippe, Parain, Frédéric, Cabillic, Gilbert, Issarny, Valérie

No abstract

Model-Driven Dependability Analysis of WebServices (2004)

Zarras, Apostolos, Vassiliadis, Panos, Issarny, Valérie

This paper focuses on the development of a principled methodology for the dependability analysis of composite Web services. The first step of the methodology involves a UML representation for the...

Enhanced Reputation Mechanism for Mobile Ad Hoc Networks (2004)

Service Allocation in Selfish Mobile Ad Hoc Networks Using Vickrey Auction (2004)

Interactions between entities unknown to each other are inevitable in the ambient intelligence vision of service access anytime, anywhere. Trust management through a reputation mechanism to...

QoS-Aware Service Location in Mobile Ad-Hoc Networks (2004)

Incentive scheme for stimulating service provision in Mobile Ad hoc NETworks (MANET) has been under intensive investigation due to its significance to the operation of MANET. This paper applies...

Software Architecture for Mobile Distributed Computing (2004)

No abstract

Issarny, Valérie, Tartanoglu, Ferda, Liu, Jinshan, Sailhan, Françoise

Today's wireless networks and devices support the dynamic composition of mobile distributed systems, according to device connectivity. This has in particular led to the introduction of a number of...

Software Architecture for Mobile Distributed Computing (2004)

Issarny, Valérie, Tartanoglu, Ferda, Liu, Jinshan, Sailhan, Françoise

Today's wireless networks and devices support the dynamic composition of mobile distributed systems, according to device connectivity. This has in particular led to the introduction of a number of...

Making Middleware Communication Architecture Reconfigurable (2003)

Georgantas, Nikolaos, Sacchetti, Daniele, Issarny, Valérie

To deal with emerging network technologies and services, as well as with varying application requirements and dynamic environmental conditions, middleware has to be reconfigurable. This requirement...

Making Middleware Communication Architecture Reconfigurable (2003)

Georgantas, Nikolaos, Sacchetti, Daniele, Issarny, Valérie

To deal with emerging network technologies and services, as well as with varying application requirements and dynamic environmental conditions, middleware has to be reconfigurable. This requirement...

Making Middleware Communication Architecture Reconfigurable (2003)

Georgantas, Nikolaos, Sacchetti, Daniele, Issarny, Valérie

To deal with emerging network technologies and services, as well as with varying application requirements and dynamic environmental conditions, middleware has to be reconfigurable. This requirement...

Quality Analysis of Dependable Systems: A Developer Oriented Approach (2003)

Apostolos Zarras, Christos Kloukinas, Valérie Issarny

The quality of dependable systems (DS) is characterized by a number of non-functional properties (e.g., performance, reliability, availability, etc.). Assessing the DS quality against these...

Software architecture and Dependability (2003)

Valérie Issarny, Apostolos Zarras

Abstract. Dependable systems are characterized by a number of attributes including: reliability, availability, safety and security. For some attributes, (namely for reliability, availability,...

Quality Analysis of Dependable Systems: A Developer Oriented Approach. Architecting Dependable Systems (2003)

Apostolos Zarras, Christos Kloukinas, Valérie Issarny

Abstract. The quality of dependable systems (DS) is characterized by a number of non-functional properties (e.g., performance, reliability, availability, etc.). Assessing the DS quality against these...

Quality Analysis of Dependable Systems: A Developer Oriented Approach (2003)

Zarras, Apostolos, Kloukinas, Christos, Issarny, Valérie

The quality of dependable systems (DS) is characterized by a number of non-functional properties (e.g., performance, reliability, availability, etc.). Assessing the DS quality against these...

Dependability in the Web Services Architecture (2003)

Tartanoglu, Ferda, Issarny, Valérie, Romanovsky, Alexander B., Lévy, Nicole

The Web services architecture is expected to play a prominent role in developing next generation distributed systems. This chapter discusses how to build dependable systems based on the Web services...

Cooperative Caching in Ad Hoc Networks (2003)

A Middleware Service for Mobile Ad Hoc Data Sharing, Enhancing Data Availability (2003)

Terminal's latency, connectivity, energy and memory are the main characteristics of today's mobile environments whose performance mayb e improved by caching. In this paper, we present an adaptive...

Coordinated Forward Error Recovery for Composite Web Services (2003)

It is now commonplace for a person to use lightweight wireless computing devices, and to make his/her data available to other people's devices using todays various networking capabilities...

Tartanoglu, Ferda, Issarny, Valérie, Romanovsky, Alexander B., Lévy, Nicole

This paper proposes a solution based on forward error recovery, oriented towards providing dependability of compositeWeb services. While exploiting their possible support for fault tolerance (e.g.,...

AdHocFS: Sharing Files in WLANs (2003)

Software Architecture and Dependability (2003)

This paper presents the ADHOCFS file system for mobile users, which realizes transparent, adaptive file access according to the users' specific situations (e.g., device in use, network connectivity,...

Issarny, Valérie, Zarras, Apostolos

Dependable systems are characterized by a number of attributes including: reliability, availability, safety and security. For some attributes (namely for reliability, availability, safety), there...

Quality Analysis of Dependable Systems: A Developer Oriented Approach (2003)

Zarras, Apostolos, Kloukinas, Christos, Issarny, Valérie

The quality of dependable systems (DS) is characterized by a number of non-functional properties (e.g., performance, reliability, availability, etc.). Assessing the DS quality against these...

Dependability in the Web Services Architecture (2003)

Tartanoglu, Ferda, Issarny, Valérie, Romanovsky, Alexander B., Lévy, Nicole

The Web services architecture is expected to play a prominent role in developing next generation distributed systems. This chapter discusses how to build dependable systems based on the Web services...

Cooperative Caching in Ad Hoc Networks (2003)

A Middleware Service for Mobile Ad Hoc Data Sharing, Enhancing Data Availability (2003)

Terminal's latency, connectivity, energy and memory are the main characteristics of today's mobile environments whose performance mayb e improved by caching. In this paper, we present an adaptive...

Coordinated Forward Error Recovery for Composite Web Services (2003)

It is now commonplace for a person to use lightweight wireless computing devices, and to make his/her data available to other people's devices using todays various networking capabilities...

Tartanoglu, Ferda, Issarny, Valérie, Romanovsky, Alexander B., Lévy, Nicole

This paper proposes a solution based on forward error recovery, oriented towards providing dependability of compositeWeb services. While exploiting their possible support for fault tolerance (e.g.,...

AdHocFS: Sharing Files in WLANs (2003)

Software Architecture and Dependability (2003)

This paper presents the ADHOCFS file system for mobile users, which realizes transparent, adaptive file access according to the users' specific situations (e.g., device in use, network connectivity,...

Issarny, Valérie, Zarras, Apostolos

Dependable systems are characterized by a number of attributes including: reliability, availability, safety and security. For some attributes (namely for reliability, availability, safety), there...

ADHOCFS: A Serverless File System for Mobile Users (2002)

Mentré, David, Boulkenafed, Malika, Issarny, Valérie

Among other features, pervasive computing aims at offering access to users' data, anytime, anywhere, in a transparent manner. However, realizing such a vision necessitates several improvements in the...

ADHOCFS: A Serverless File System for Mobile Users (2002)

Mentré, David, Boulkenafed, Malika, Issarny, Valérie

Among other features, pervasive computing aims at offering access to users' data, anytime, anywhere, in a transparent manner. However, realizing such a vision necessitates several improvements in the...

Dependability in the Web Service Architecture (2002)

Ferda Tartanoglu, Valérie Issarny, Er Romanovsky, Nicole Levy

Abstract. The Web services architecture is expected to play a prominent role in developing next generation distributed systems. This chapter discusses how to build dependable systems based on the Web...

Contributing WPs: WP1 (2002)

Deliverable Da, Christophe Cerisara, Valérie Issarny, Sen Zhang, Pre David Simons, Harmke De Groot

plus contributions from many others from within all partners One of the main challenges of the Ozone project is to bring together many different technologies into a single architecture dedicated to...

Jury Members: (2002)

Christos Kloukinas, Jean-pierre Banâtre, Jacky Estublier, Cliff Jones, Valérie Issarny, Nicole Lévy, ...

Les systèmes informatiques deviennent de plus en plus complexes et doivent offrir un nombre croissant de propriétés non fonctionnelles, comme la fiabilité, la disponibilité, la sécurité, etc.....

Analyzing the performance of memory management in rtsj (2002)

Valérie Issarny

The memory models used in the Real-Time Specification for Java (RTSJ) can incur high amounts of overhead; It is possible to reduce this overhead by taking advantages of hardware features. This paper...

Software Architectures of Dependable Systems: From Closed To Open Systems (2002)

Valérie Issarny

Work in the software architecture domain primarily focuses on the standard (as opposed to exceptional) behavior of the software system. However, it is crucial from the perspective of software system...

Energy-aware web caching for mobile terminals (2002)

Françoise Sailhan, Valérie Issarny

Terminal’s latency, connectivity, energy and memory are the main characteristics of today’s mobile environments whose performance may be improved by caching. In this paper, we present an adaptive...

Energy-Aware Web Caching for Mobile Terminals (2002)

Analyzing the Performance of Memory Management in RTSJ (2002)

Terminal's latency, connectivity, energy and memory are the main characteristics of today's mobile environments whose performance may be improved by caching. In this paper, we present an adaptive...

Higuera, Teresa, Issarny, Valérie

The memory models used in the Real-Time Specification for Java (RTSJ) can incur high amounts of overhead; It is possible to reduce this overhead by taking advantages of hardware features. This paper...

Energy-Aware Web Caching for Mobile Terminals (2002)

Analyzing the Performance of Memory Management in RTSJ (2002)

Terminal's latency, connectivity, energy and memory are the main characteristics of today's mobile environments whose performance may be improved by caching. In this paper, we present an adaptive...

Higuera, Teresa, Issarny, Valérie

The memory models used in the Real-Time Specification for Java (RTSJ) can incur high amounts of overhead; It is possible to reduce this overhead by taking advantages of hardware features. This paper...

Systematic aid for developing middleware architectures (2002)

Issarny, Valérie, Kloukinas, Christos, Zarras, Apostolos

The use of middleware is the current practice for developing distributed systems. Developers compose reusable services provided by standard middleware infrastructures, e.g., CORBA 1, DCOM2, Java RMI...

Systematic aid for developing middleware architectures (2002)

Issarny, Valérie, Kloukinas, Christos, Zarras, Apostolos

The use of middleware is the current practice for developing distributed systems. Developers compose reusable services provided by standard middleware infrastructures, e.g., CORBA 1, DCOM2, Java RMI...

ADHOCFS: A Serverless File System for Mobile Users (2001)

Mentré, David, Boulkenafed, Malika, Issarny, Valérie

Among other features, pervasive computing aims at offering access to users' data, anytime, anywhere, in a transparent manner. However, realizing such a vision necessitates several improvements in the...

Towards a Base UML Profile for Architecture Description (2001)

Apostolos Zarras, Valérie Issarny, Christos Kloukinas, Viet Khoi Nguyen

This paper discusses a base UML profile for architecture description as supported by existing Architecture Description Languages (ADLs). The profile may be extended so as to enable architecture...

Region-based Memory Management for Real-time Java (2001)

Teresa Higuera, Valérie Issarny

This paper addresses the issue of improving the performance of memory management for real-time Java applications, building upon the Real-Time Specification for Java (RTSJ) from the Real-Time Java...

Spin-ning Software Architectures: A Method for Exploring Complex Systems (2001)

Christos Kloukinas, Valérie Issarny

When designing complex systems that provide multiple non-functional properties, it is usual to try to reuse (and finally compose) simpler existing designs, which deal with each of these properties in...

Techniques de réduction de la consommation dans les systèmes embarqués temps-réel (2000)

Parain, Frédéric, Banâtre, Michel, Cabillic, Gilbert, Higuera, Teresa, Issarny, Valérie, Lesot, Jean-Philippe

L'évolution actuelle des systèmes embarqués tend à leur faire intégrer une puissance de traitement de plus en plus importante tout en conservant, voir en améliorant, leur autonomie...

Caching Strategies for Data-Intensive Web Sites (2000)

Florescu, Daniela, Issarny, Valérie, Valduriez, Patrick, Yagoub, Khaled

A data-intensive Web site is a Web server that accesses large numbers of pages whose content is dynamically extracted from a database. In this context, returning a Web page may require costly...

Techniques de réduction de la consommation dans les systèmes embarqués temps-réel (2000)

Parain, Frédéric, Banâtre, Michel, Cabillic, Gilbert, Higuera, Teresa, Issarny, Valérie, Lesot, Jean-Philippe

L'évolution actuelle des systèmes embarqués tend à leur faire intégrer une puissance de traitement de plus en plus importante tout en conservant, voir en améliorant, leur autonomie...

Caching Strategies for Data-Intensive Web Sites (2000)

Florescu, Daniela, Issarny, Valérie, Valduriez, Patrick, Yagoub, Khaled

A data-intensive Web site is a Web server that accesses large numbers of pages whose content is dynamically extracted from a database. In this context, returning a Web page may require costly...

Techniques de réduction de la consommation dans les systèmes embarqués temps-réel (2000)

Parain, Frédéric, Banâtre, Michel, Cabillic, Gilbert, Higuera, Teresa, Issarny, Valérie, Lesot, Jean-Philippe

L'évolution actuelle des systèmes embarqués tend à leur faire intégrer une puissance de traitement de plus en plus importante tout en conservant, voir en améliorant, leur autonomie...

Caching Strategies for Data-Intensive Web Sites (2000)

Florescu, Daniela, Issarny, Valérie, Valduriez, Patrick, Yagoub, Khaled

A data-intensive Web site is a Web server that accesses large numbers of pages whose content is dynamically extracted from a database. In this context, returning a Web page may require costly...

Improving the Effectiveness of Web Caching (2000)

Jean-marc Menaud, Valérie Issarny, Michel Banâtre

The bandwidth demands on the (World-Wide) Web continue to grow at an exponential rate. It is thus becoming crucial to provide solutions improving the Web latency. In that framework, the most...

Analyzing Non-Functional Properties of Mobile Agents (2000)

Pascal Fradet, Valérie Issarny, Siegfried Rouvrais

. The mobile agent technology is emerging as a useful new way of building large distributed systems. The advantages of mobile agents over the traditional client-server model are mainly...

The Role of Software Architecture in Constraining (2000)

Gordon S. Blair, Lynne Blair, Valérie Issarny, Petr Tuma, Apostolos Zarras

Future middleware platforms will need to be more configurable in order to meet the demands of a wide variety of application domains.

Automating the composition of middleware configurations (2000)

Christos Kloukinas, Valérie Issarny

A method is presented for the automatic construction of all possible valid compositions of different middleware software architectures. This allows reusing the latter in order to create systems...

The Role of Software Architecture in Constraining Adaptation in Component-Based Middleware Platforms (2000)

Gordon S. Blair, Lynne Blair, Valérie Issarny, Petr Tuma, Apostolos Zarras

Abstract. Future middleware platforms will need to be more configurable in order to meet the demands of a wide variety of application domains. Furthermore, we believe that such platforms will also...

Quality of Service and Electronic Newspaper: The Etel Solution (1999)

Issarny, Valérie, Banâtre, Michel, Charpiot, Boris, Menaud, Jean-Marc

Making electronic newspapers available to users is an attractive business for newspaper editors. However, the success of an electronic newspaper in a commercial setting depends upon the provided...

Quality of Service and Electronic Newspaper: The Etel Solution (1999)

Issarny, Valérie, Banâtre, Michel, Charpiot, Boris, Menaud, Jean-Marc

Making electronic newspapers available to users is an attractive business for newspaper editors. However, the success of an electronic newspaper in a commercial setting depends upon the provided...

Quality of Service and Electronic Newspaper: The Etel Solution (1999)

Issarny, Valérie, Banâtre, Michel, Charpiot, Boris, Menaud, Jean-Marc

Making electronic newspapers available to users is an attractive business for newspaper editors. However, the success of an electronic newspaper in a commercial setting depends upon the provided...

Developing Dependable Systems using Software Architecture (1999)

Titos Saridakis, Valérie Issarny

Abstract: The construction of dependable software systems is recognized as a complex task: the system developer has to address the usage of fault tolerance techniques in addition to the design of the...

On the Correctness of Multimedia Applications (1999)

Erwan Demairy, Emmanuelle Anceaume, Valérie Issarny

This paper provides a method to verify that the properties we consider critical to build a correct multimedia application are met. These properties are the compatibility of the protocols employed by...

Defining Open Software Architectures for Customized Remote Execution of Web Agents (1999)

Valérie Issarny, Titos Saridakis

Agent-based solutions promise to ameliorate Web services, by promoting the modular construction of Web servers, relieving the network from transferring useless data, supporting user mobility, etc....

On the correctness of multimedia applications (1999)

Erwan Demairy, Emmanuelle Anceaume, Valérie Issarny

This paper provides a method to verify that the properties we consider critical to build a correct multimedia application are met. These properties are the compatibility of the protocols employed by...

Saridakis, Titos, Issarny, Valérie

Coping explicitly with failures during the conception and the design of software development complicates significantly the designer's job. The design complexity leads to software descriptions...

Saridakis, Titos, Issarny, Valérie

Coping explicitly with failures during the conception and the design of software development complicates significantly the designer's job. The design complexity leads to software descriptions...

Saridakis, Titos, Issarny, Valérie

Coping explicitly with failures during the conception and the design of software development complicates significantly the designer's job. The design complexity leads to software descriptions...

Achieving Middleware Customization in a Configuration-Based Development Environment: Experience with the Aster Prototype (1998)

Valérie Issarny, Christophe Bidan, Titos Saridakis

Middleware configurations provide a means to make accessible a wide range of applications on a (possibly large) distributed heterogeneous platform. However, as new application areas appear,...

A New Protocol for Efficient Cooperative Transversal Web Caching (1998)

Jean-marc Menaud, Valérie Issarny, Michel Banâtre

. The bandwidth demands on the World Wide Web continue to grow at an exponential rate. To address this problem, many research activities are focusing on the design of Web caches. Unfortunately, Web...

Multi-View Description of Software Architectures (1998)

Valérie Issarny, Titos Saridakis, Apostolos Zarras

The specification of a software architecture using different ADLs allows system designers to carry out a number of complementary analyses. In this position paper, we go one step further in this...

Characterizing Coordination Architectures According to Their Non-Functional Execution Properties (1998)

Valérie Issarny, Christophe Bidan, Titos Saridakis

A number of existing Distributed Processing Environments (DPEs) are eligible to serve as a coordination architecture. In order to ease the construction of distributed applications while exploiting...

A Framework for Systematic Synthesis of Transactional Middleware (1998)

Apostolos Zarras, Valérie Issarny, Val Erie Issarny

Transactions are contracts that guarantee a consistent, transparent, individual system state transition and their use is widespread in many different kinds of computing systems. Some well known...

Valérie Issarny, Titos Saridakis, Titos Saridakis, Projet Solidor

Coping explicitly with failures during the conception and the design of software development complicates signicantly the designer's job. The design complexity leads to software descriptions...

Imposing Transactional Properties on Distributed Software Architectures (1998)

Apostolos Zarras, Valérie ISSARNY

Transactions provide the warranty for a consistent, transparent and individual system state transition. In this paper, we describe a method for imposing transactional properties on distributed...

A Dynamic Reconfiguration Service for CORBA (1998)

Christophe Bidan, Valérie Issarny, Titos Saridakis, Apostolos Zarras

Providing software qualities such as availability, adaptability and maintenability to long-running distributed applications, forms a major challenge for the configuration management of a software...

Customized Remote Execution of Web Agents (1998)

Titos Saridakis, Valérie Issarny, Christophe Bidan

Agent-based solutions are promising for ameliorating Web services, since they promote the modular construction of Web servers, relieve the network from transferring useless data, support user...

A Framework for Systematic Synthesis of Transactional Middleware (1998)

Apostolos Zarras, Valérie Issarny

Transactions are contracts that guarantee a consistent, transparent, individual system state transition and their use is widespread in many different kinds of computing systems. Some well known...

A Dynamic Reconfiguration Service for CORBA (1998)

Christophe Bidan, Valérie Issarny, Titos Saridakis, Apostolos Zarras

Providing software qualities such as availability, adaptability and maintenability to long-running distributed applications, forms a major challenge for the configuration management of a software...

Customized Remote Execution of Web Agents (1998)

Titos Saridakis, Valérie Issarny, Christophe Bidan

Agent-based solutions are promising for ameliorating Web services, since they promote the modular construction of Web servers, relieve the network from transferring useless data, support user...

Dealing with Multi-Policy Security in Large Open Distributed Systems (1997)

Security Benefits from Software Architecture (1997)

From the security point of view, one challenge for today's distributed architectures is to support interoperation between applications relying on different possibly inconsistent security policies....

Dealing with Multi-Policy Security in Large Open Distributed Systems (1997)

In today's field of distributed software architectures there is a need for environments allowing the easy development of applications consisting of heterogeneous software modules and having various...

Security Benefits from Software Architecture (1997)

From the security point of view, one challenge for today's distributed architectures is to support interoperation between applications relying on different possibly inconsistent security policies....

Dealing with Multi-Policy Security in Large Open Distributed Systems (1997)

In today's field of distributed software architectures there is a need for environments allowing the easy development of applications consisting of heterogeneous software modules and having various...

Security Benefits from Software Architecture (1997)

From the security point of view, one challenge for today's distributed architectures is to support interoperation between applications relying on different possibly inconsistent security policies....

Dealing with Multi-Policy Security in Large Open Distributed Systems (1997)

In today's field of distributed software architectures there is a need for environments allowing the easy development of applications consisting of heterogeneous software modules and having various...

Christophe Bidan, Valérie Issarny, Val'erie Issarny

. From the security point of view, one challenge for today's distributed architectures is to support interoperation between applications relying on different possibly inconsistent security...

A Programming System for the Development of TINA Services (1997)

Titos Saridakis, Christophe Bidan, Valérie ISSARNY

Programming environments for the development of distributed applications are called to face issues such as the configuration of the interconnection system, the coordination of heterogeneous...

Security Benefits from Software Architecture (1997)

Valérie Issarny, Christophe Bidan, Christophe Bidan, Projet Solidor

In today's field of distributed software architectures there is a need for environments allowing the easy development of applications consisting of heterogeneous software modules and having...

Dealing with Multi-Policy Security in Large Open Distributed Systems (1997)

Valérie Issarny, Christophe Bidan, Christophe Bidan, Projet Solidor

: From the security point of view, one challenge for today's distributed architectures is to support interoperation between applications relying on different possibly inconsistent security...

Aster: A Corba-based Software Interconnection System Supporting Distributed System Customization (1996)

Valérie Issarny, Christophe Bidan

This paper introduces the Aster distributed composition -based programming system that is aimed at easing the development of distributed runtime systems, customized to the application needs, in a...

Aster: A Framework for Sound Customization of Distributed Runtime Systems (1996)

Valérie Issarny, Christophe Bidan

This paper introduces the Aster distributed configuration -based programming system that is aimed at easing the development of emerging distributed applications having quality of service...

Adaptive Placement of Method Executions within a Customizable Distributed Object-Based Runtime System - Design, Implementation, and Performance (1995)

Michel Banâtre, Yasmina Belhamissi, Valérie Issarny, Isabelle Puaut, Jean-paul Routeau

This paper presents the design and implementation of a mechanism aimed at enhancing the performance of distributed object-based applications. This goal is achieved by means of a new algorithm...

Efficient Treatment of Failures in RPC Systems (1994)

Valérie Issarny, Erie Issarny, Gilles Muller, Isabelle Puaut

: This paper addresses extensions to be made to a basic remote procedure call system for the integration of primitive fault tolerance measures. Our main design goal is to not introduce performance...

Concurrent programming notations in the object-oriented language Arche (1992)

An exception handling mechanism for parallel object-oriented programming (1992)

Paradigms of object-oriented programming are attractive for the design of large distributed software. They notably provide a sound basis to develop applications that are easy to maintain and reuse....

Exception handling sequential processes : design, verification and implementation (1992)

Paradigms of parallel object-oriented programming are attractive for the design of large distributed software. They notably provide sound basis to develop applications that are easy to maintain and...

Banâtre, Jean-Pierre, Issarny, Valérie

The design of an exception handling mechanism for communicating sequential processes is presented. It is primarily concerned with correctness of parallel programs using the mechanism. The proposed...

ARCHE : un langage parallèle à objets fortement types (1992)

Concurrent programming notations in the object-oriented language Arche (1992)

Arche est le successeur du langage Polygoth, fruit des premiers travaux de l'équipe Langages et Systèmes Parallèles de l'IRISA dans l'approche objet de la programmation parallèle. Cette première...

An exception handling mechanism for parallel object-oriented programming (1992)

Paradigms of object-oriented programming are attractive for the design of large distributed software. They notably provide a sound basis to develop applications that are easy to maintain and reuse....

Exception handling sequential processes : design, verification and implementation (1992)

Paradigms of parallel object-oriented programming are attractive for the design of large distributed software. They notably provide sound basis to develop applications that are easy to maintain and...

Banâtre, Jean-Pierre, Issarny, Valérie

The design of an exception handling mechanism for communicating sequential processes is presented. It is primarily concerned with correctness of parallel programs using the mechanism. The proposed...

ARCHE : un langage parallèle à objets fortement types (1992)

Distribution in a Single Address Space Operating System (1992)

Arche est le successeur du langage Polygoth, fruit des premiers travaux de l'équipe Langages et Systèmes Parallèles de l'IRISA dans l'approche objet de la programmation parallèle. Cette première...

Jeff Chase, Valérie Issarny, Hank Levy

The recent appearance of architectures with flat 64-bit virtual addressing opens an opportunity to reconsider the way our operating systems use virtual address spaces. We are building an operating...

Le traitement d'exceptions. Aspects théoriques et pratiques (1989)

Le traitement d'exceptions. Aspects théoriques et pratiques (1989)

Le propos de cette étude bibliographique est d'analyser les mécanismes de traitement d'exceptions dans les langages de programmation impératifs. Dans un premier temps, nous constatons qu'un...