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OS Support for P2P Programming: a Case for TPS

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Generation of object-oriented programs from CO-OPN specifications

Stanislav Chachkov

The execution of formal specifications is important for verification, validation and animation purposes. This thesis describes transformation of CO-OPN specifications in executable code. The original goal of this transformation was validation by prototypin ...

EPFL2004

Lazy Parameter Passing

Patrick Eugster

Peer-to-peer (P2P) systems are strongly decentralized and asynchronous distributed settings involving a potentially large number of hosts. A common programing model for P2P infrastructures is that of a distributed hashtable (DHT), though which peers share ...

2003

Dynamic Proxies for Classes: Towards Type-Safe and Decoupled Remote Object Interaction

Patrick Eugster

A dynamic proxy object is a typed proxy, created at runtime, conforming to a type specified by the application. Such an object can be used wherever an expression of the type it was created for is expected, yet reifies all invocations performed on it. This ...

2003

Prototyping Object-Oriented Specifications

Ali Al-Shabibi, Stanislav Chachkov, Ang Chen

CoopnBuilder is an integrated development environment (IDE) for Concurrent Object Oriented Petri Nets (COOPN). It comes with a complete set of tools enabling the user to view, edit, check, simulate and generate code from CO-OPN specifications. The Code Gen ...

Springer Verlag2003

Updates in Highly Unreliable, Replicated Peer-to-Peer Systems

Karl Aberer, Manfred Hauswirth, Anwitaman Datta

In this paper we study the problem of updates in truly decentralised and self-organising systems such as pure P2P systems. We assume low online probabilities of the peers (

2003

OS Support for P2P: a Case for TPS

Rachid Guerraoui, Patrick Eugster

Just like Remote Procedure Call (RPC) turned out to be a very effective OS abstraction in building client-server applications over LANs, Type-based Publish-Subscribe (TPS) can be viewed as a high-level candidate OS abstraction for building Peer-to-Peer (P2 ...

2002

Open Consensus

Rachid Guerraoui, Romain Boichat

This paper presents the abstraction of open consensus and argues for its use as an effective component for building reliable agreement protocols in practical asynchronous systems where processes and links can crash and recover. The specification of open co ...

2001

Type-Based Publish/Subscribe

Rachid Guerraoui, Patrick Eugster

This paper presents type-based publish/subscribe, a new variant of the publish/subscribe paradigm. Producers publish message objects on a communication bus, and consumers subscribe to the bus by specifying the types of the objects they are interested in. M ...

2000

Stepwise Refinement of Formal Specifications Based on Logical Formulae: from COOPN/2 Specifications to Java Programs

One of the steps making it possible to increase the quality and the reliability of the software executing on distributed systems consists of the use of methods of software engineering that are known as formal. The majority of the formal methods currently e ...

1999

Stepwise refinement of formal specifications based on logical formulae

EPFL1999