A two-tier location management mechanism for IMS

• 作 者: 曹予飞 Liao Jianxin Qi Qi Zhu Xia
• 机 构: StateKeyLaboratoryofNetworkingandSwitchingTechnology,Eastcom-BUPT（EB）informationTechnologyLtd.
• 出 处: 高技术通讯：英文版
• 发表日期: 2009年2期
• 关键词: 位置信息 管理机制 IMS IP多媒体子系统 家庭网络 注册机制 漫游用户 IP地址 two-tier location management （TTLM）
• 基金项目: Supported by National Science Fund for Distinguished Young Scholars （No. 60525110）, National Basic Research Program of China （No. 2007CB307100, 2007CB307103）, Program for New Century Excellent Talents

<正> This paper proposed a two-tier location management mechanism(TTLM)by improving the currentregistration mechanism(CR)in IP Multimedia Subsystem(IMS).The TTLM includes the visited networkregistration and the home network registration,in which the