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학술대회 Real-time Data Delivery Mechanism for Overlay Multicast Supporting Mobility
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이창규, 김성혜, 강신각
International Symposium on Communications and Information Technology (ISCIT) 2009, pp.1555-1558
09MR2300, BcN 전달망 및 서비스 구조 표준개발, 김정윤
As the number of user of group services increases, ISP, service provider, and service user need efficient delivery of service. Although multicast delivery can provide the efficient delivery of service, it is not used widely because of deployment and management problems. As an alternate solution, many overlay multicast mechanisms are proposed, especially in [1] [2] [3] overlay multicast for supporting mobility is proposed. In this paper, we introduce a real-time data delivery mechanism for overlay multicast with focus on supporting mobile node. In our proposal, the local wireless networks are partitioned into two types according to existence of mobile multicast agent (MMA); i.e., MMA region and non-MMA region. We describe two different data delivery methods for each different type of local wireless networks. In addition, since traffic should be minimized as much as possible in wireless network to increase efficiency and avoid collision, we use designated node called HMN to reduce both control and data traffic in the non-MMA region. ©2009 IEEE.
KSP 제안 키워드
Avoid collision, Data traffic, Management problems, Mobile multicast, Mobile node(MN), Overlay Multicast, Real-time data delivery, Service Provider, User Needs, efficient delivery, local wireless networks