Uni Göttingen
computer networks group     Computer Networks Group
Institute of Computer Science
Georg-August-Universität Göttingen
                                                                                               
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Title:   A Prototype Implementation and Experimental Test of the Messaging Layer of CASP: a General-Purpose Internet Signaling Protocol
Type:   Bachelor's thesis
Student:   Sebastian Willert
Supervisor:   Xiaoming Fu
Status:   completed

Description
Thesis abstract: Signaling has become necessary for allowing IP-based networks to manage states in network nodes. However, existing protocols cannot deliver desired signaling services needed for large-scale deployment. The Cross-Application Signaling Protocol (CASP), a general-purpose signaling protocol, introduces a new approach to overcome the limitations of these protocols. This thesis reports a prototype implementation of the CASP transport layer protocol using TCP as the underlying transport protocol, and studies the feasibility of the modular design. The behavior of this implementation has been analyzed through an experimental testbed. Performance results show that the memory and CPU consumption of the implementation are low even under heavy signaling loads; the round trip time of signaling messages is also acceptable. Although further work will be necessary, critical design choices in CASP have been proved to be feasible.

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