Cross layer fast handoff for SIP = SIP를 위한 크로스 레이어 패스트 핸드오프 기법

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The Session Initiation Protocol (SIP), standardized by the IETF, allows participants to establish a session which consists of multimedia streams such as audio and video. However, when it comes to mobile environment, SIP fails to deliver seamless real-time multimedia service due to significant handoff delay occurred from IP address allocation and session creation. Though there have been studies to handle this issue, one common disadvantage was that these approaches required additional network components or considerable network administrator``s interventions. In this paper, we propose a handoff mechanism for SIP to reduce handoff delay through advancing IP address reservation and session update using link layer information of a wireless network. Results from our proposed mechanism called Cross-Layer Fast Handoff for SIP (CF-SIP) show that CF-SIP can support the real-time multimedia services in wireless Internet with minimal modifications to existing networks.
Advisors
Kim, Myung-Chulresearcher김명철researcher
Description
한국정보통신대학교 : 공학부,
Publisher
한국정보통신대학교
Issue Date
2006
Identifier
392715/225023 / 020044609
Language
eng
Description

학위논문(석사) - 한국정보통신대학교 : 공학부, 2006.8, [ iv, 45 p. ]

Keywords

predictive address reservation; movement detection; SIP mid-call mobility; and proactive re-Invite; 사전 재초대; 주소 사전 예약; 이동탐지; SIP mid-call 이동성

URI
http://hdl.handle.net/10203/55507
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=392715&flag=dissertation
Appears in Collection
School of Engineering-Theses_Master(공학부 석사논문)
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