A scalable architecture for sip infrastructure using content addressable networks

Ramrajprabu Balasubramanian, Injong Rhee, Jaewoo Kang

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)


Session initiation protocol (SIP) provides call establishment functions for VoIP. These functions are highly CPU-intensive and hence need to be distributed over multiple servers in order to support the peak workload. Existing approaches to this problem are unfortunately not scalable or fault-tolerant, incurring high maintenance overheads or introducing a single point of failure. This paper presents a proof-of-concept design and analysis of a scalable, robust architecture for SIP infrastructures using a content addressable network (CAN) model, called CASIP (CAN-based SIP). The performance study of CASIP using real implementation of a SIP stack and NS-2 shows that the proposed system distributes the SIP processing (both update and lookup) load over multiple nodes very effectively without incurring much routing and maintenance overhead.

Original languageEnglish
Article numberMC08-1
Pages (from-to)1314-1318
Number of pages5
JournalIEEE International Conference on Communications
Publication statusPublished - 2005
Externally publishedYes
Event2005 IEEE International Conference on Communications, ICC 2005 - Seoul, Korea, Republic of
Duration: 2005 May 162005 May 20

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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