Layered mobile multicasting method based on fast multicasting switching |
Title： |
| Layered mobile multicasting method based on fast multicasting switching |
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Application Number： |
200510086611 |
Application Date： |
2005/10/14 |
Announcement Date： |
2006/03/08 |
Pub. Date： |
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Publication Number： |
1744566 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04L 12/56, H04L 29/06, H04L 12/28 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Wu Jianping, Wu Xi, Xu Mingwei, Cui Yong |
Key Words： |
Layered, mobile multicasting method, fast, multicasting switching |
Abstract： |
Through technique for interpreting multicast groups, by using regional multicast agent router as loot node, and by using regional multicast routers as branch nodes, multicast tree is built in domain in regional network. Thus, regional multicast agent manages multicast application in whole regional domain as well as switching mobile nodes in domain is shielded outside domain. Based on mobile IPv6 fast switch over protocol, through expanding use of option of multicast groups, the method realizes fast multicast switching mobile nodes inside and outside domain. Switching between domains is based on remote join mode in IPv6 protocol so as to guarantee approximative optimality of path for forwarding multicast. Meanwhile advantages including fast multicast switching, reducing switching delay and switching packet loss are realized. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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