Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks

  • Andreas Festag
  • Holger Karl
  • Adam Wolisz
Conference paper
Part of the Informatik aktuell book series (INFORMAT)


To solve the IP mobility problem, the use of multicast has been proposed in a number of different approaches, applying multicast in different characteristic ways. In this paper, we provide a framework to classify such approaches by analyzing requirements, options for using multicast protocols, and mobility functionalities augmenting the multicast. Within this framework, we identify promising combinations of mechanisms and derive four classes of multicast protocols. These classes include both the standard any-source IP multicast model as well as non-standard multicast models. In particular, the use of source-specific multicast is a new approach to support mobility and turns out to be especially beneficial. The paper describes a corresponding network architecture and a flexible software environment that allows to easily implement these and other classes of mobility-supporting multicast protocols. Based on this software environment, an implemented prototype and measurements quantify handover-specific metrics, namely, handover and paging latency and packet loss and duplication rates, showing that a multicast-based mobility solution has comparable performance to standard Mobile IP /hierarchical Mobile IP. Moreover, it is shown that a non-standard multicast model has reduced implementation and deployment complexity and security risks than a standard multicast model.1


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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Andreas Festag
    • 1
  • Holger Karl
    • 1
  • Adam Wolisz
    • 1
  1. 1.TKN, Technical University of BerlinBerlinGermany

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