Efficient Security Associations Establishment Using IPSec in IMS after Handover in NGMN,ERICDATA高等教育知識庫
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篇名
Efficient Security Associations Establishment Using IPSec in IMS after Handover in NGMN
並列篇名
Efficient Security Associations Establishment Using IPSec in IMS after Handover in NGMN
作者 Shireen TahiraAta UllahHumaira AshrafMuhammad Sher
英文摘要
Next generation mobile networks allow smart phones to constantly switch and handover its networks to access internet for multimedia applications. To avail multimedia services, IP Multimedia Subsystem (IMS) is a 3gpp based framework for all types of networks. UE has to register with IMS where it first contacts to P-CSCF for establishing IPSec Security Associations (SA). During handover to a new network, de-registration from IMS is imposed that results in expiring IPSec SAs with old PCSCF. UE has to establish new IPSec SAs with new PCSCF that causes more signaling delay due to more number of messages. This paper presents a novel solution to establish SAs in IMS after handover where a flag is used to block de-registration until expiry. IPSec SAs are negotiated by reducing steps of re-authorization without appending new protocol in IMS. We tested our scheme on a test bed and compared the results with existing IMS re-authorization schemes. Our approach dominates the preliminaries in reducing transmission delay, processing delay and queuing delay as well as VHO delay and packet loss.
起訖頁 359-368
關鍵詞 IMSHandoverIPSec Security Associations (SAs)DelayPacket loss
刊名 網際網路技術學刊  
期數 201903 (20:2期)
出版單位 台灣學術網路管理委員會
DOI 10.3966/160792642019032002005   複製DOI
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