H-P2PSIP: Interconnection of P2PSIP domains for global multimedia services based on a hierarchical DHT overlay network

  • Authors:
  • Isaias Martinez-Yelmo;Alex Bikfalvi;Ruben Cuevas;Carmen Guerrero;Jaime Garcia

  • Affiliations:
  • Universidad Carlos III de Madrid, Av Universidad 30, 28911 Leganés, Spain;IMDEA Networks, Av del Mar Mediterráneo 22, 28918 Leganés, Spain;Universidad Carlos III de Madrid, Av Universidad 30, 28911 Leganés, Spain;Universidad Carlos III de Madrid, Av Universidad 30, 28911 Leganés, Spain;Universidad Carlos III de Madrid, Av Universidad 30, 28911 Leganés, Spain

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking
  • Year:
  • 2009

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Abstract

The IETF P2PSIP WG is currently standardising a protocol for distributed multimedia services combining the media session functionality of SIP and the decentralised distribution and localisation of resources in peer-to-peer networks. The current P2PSIP scenarios only consider the infrastructure for the connectivity inside a single domain. This paper proposes an extension of the current work to a hierarchical multi-domain scenario: a two level hierarchical peer-to-peer overlay architecture for the interconnection of different P2PSIP domains. The purpose is the creation of a global decentralised multimedia services in enterprises, ISPs or community networks. We present a study of the routing performance and routing state in the particular case of a two-level distributed hash table hierarchy that uses Kademlia. The study is supported by an analytical model and its validation by a peer-to-peer simulator.