Providing End-to-End QoS in 4G heterogeneous networks is a challenge due to the involvement of several components like network reservation, service level agreements, charging, contract management and security constraints. A flexible yet efficient protocol framework is required, which can integrate all this functionality. Recently, we proposed the End-to-End Negotiation Protocol (E2ENP) for nego...

This paper discusses the necessity of a meta object protocol in the design of an open hypermedia system. It shows that a meta object protocol enables to tailor the behaviour and configuration of the hypermedia system, independent of its constituting elements. The approach is demonstrated by means of the Zypher Open Hypermedia Framework, where the meta object protocol eases the incorporation of ...

The Contract Net Protocol (CNP) is a widely used task allocation protocol in Multi-Agent Systems. It is fast, flexible and has low communication costs. However it is limited in some issues and has shortcomings if the setting for task assignment is more complicated. This paper addresses those limitations and summarizes extensions that has been published over the years. It also evaluates the prot...

The Private Network Node Interface (PNNI) provides a flexible and scaleable routing architecture for ATM networks comprising a routing protocol and a signaling protocol. To obtain more experiences about PNNI, we developed a PNNI Emulator. We investigated the simple flooding mechanism of the PNNI routing protocol used to distribute topology information through the network. Beside theoretical res...

We examine the usefulness of component-based software-engineering for the implementation of software communication systems. We present an architecture that allows to divide protocol software into fully de-coupled components that can be plugged together using visual builder tools to rapidly prototype flexible, robust, and application-tailored communication protocols. We show the feasibility of c...

A new graphics client prototype for the HepRep protocol is presented. Based on modern toolkits and high level languages (C++ and Ruby), Fred is an experiment to test applicability of scripting facilities to the high energy physics event display domain. Its flexible structure, extensibility and the use of the HepRep protocol are key features for its future use in the astroparticle experiment GLAST.

Making Integration tests and testing protocol between software is time consuming when performed by manual methods due to development of simulators for testing purposes. On the other hand with the use of standard analysis tools protocol between software must be implemented on these tools to be able to observe communication. Since both methods are not flexible making

This paper introduces a flexible and reconfigurable protocol stack framework containing agent-based self-optimisation-capabilities for mobile terminals. The framework architecture and implemented self-optimisation and reconfiguration concepts are described. The feasibility of the approach is demonstrated by integrating a TCP / IP protocol stack implementation on the proposed framework architect...

In this paper we unify three essential features for flexible system software: a component oriented approach, self-adaptation and separation of concerns. We propose DiPS (Distrinet Protocol Stack), a component framework, which offers components, an anonymous interaction model and connectors to handle non-functional aspects such as concurrency. DiPS has effectively been used in industrial protoco...