A Novel Security Architecture for Peer-to-Peer IMS System

Author:

Chen Xin1

Affiliation:

1. Guangxi Vocational and Technical Institute of Industry

Abstract

Recently, some proposals suggest to use a peer-to-peer network instead of servers to facilitate SIP user registration and location in IMS communication systems. Due to the lack of central authority, security issue becomes one of the main problems in such P2P IMS systems. In this paper, we propose a novel security architecture for P2P IMS system. By using this architecture, our P2P IMS system becomes a fully distributed secure system in which there is not a central server indeed. Furthermore, our system is a scalable system which is capable of anonymous yet accountable real time communication based on SIP protocol which enables the system compatible with any existing IMS systems.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference9 articles.

1. 3GPP TS 23. 228 V7. 4. 0, IP Multimedia Subsystem (IMS), Stage 2, (Release 7), (2006).

2. J. Rosenberg et al., SIP: session initiation protocol, RFC 3261, (2002).

3. Jari Hamalainen, IPv6 Enabling Peer-to-Peer IMS Services, North American Global IPv6 Summit San Diego, CA, U.S. A, (2003).

4. Marco Tomsu, Peter Domschitz. IMS, Peer-to-Peer and Beyond, IKR/VFF-IND Workshop Dienste im Next Generation Network, University of Stuttgart, (2006).

5. M. Castro, P. Druschel, A. Ganesh, A. Rowstron and D.S. Wallach, Secure routing for structured peer-to-peer overlay networks, Proc. Of the 5th Usenix Symposium on Operating Systems Design and Implementation, Boston, MA, December (2002).

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