Beyond QoS signaling: a new generic IP signaling framework

  • Authors:
  • Xiaoming Fu;Hannes Tschofenig;Dieter Hogrefe

  • Affiliations:
  • Institute for Informatics, University of Göttingen, Göttingen, Germany;Siemens Corporate Technology, Munich, Germany;Institute for Informatics, University of Göttingen, Göttingen, Germany

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking
  • Year:
  • 2006

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Abstract

This paper describes the design principles and an introduction of a framework and protocols for generic IP signaling, namely the Cross-Application Signaling Protocol (CASP) and its signaling applications. While reusing certain features of the existing RSVP protocol, CASP overcomes its shortcomings and may be deployed as a replacement technology to provide simpler, mobility-supported, more extensible and more secure signaling services in IP based networks. This paper discusses challenges of today's IP signaling protocols and addresses fundamentals and key aspects of CASP and its current signaling applications. In addition, a comparison with previous signaling protocol proposals and an outlook of future work in this area are also given.