发明授权
- 专利标题： Multicast packet transferring apparatus, multicast packet transferring system and storage medium used in same
- 专利标题（中）： 组播分组传送装置，组播分组传送系统和使用的存储介质
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申请号： US09793698申请日： 2001-02-27
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公开(公告)号： US06957277B2公开(公告)日： 2005-10-18
- 发明人: Tomohiko Yagyu , Masahiro Jibiki , Atsushi Iwata
- 申请人： Tomohiko Yagyu , Masahiro Jibiki , Atsushi Iwata
- 申请人地址： JP Tokyo
- 专利权人： NEC Corporation
- 当前专利权人： NEC Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Young & Thompson
- 优先权： JP2000-052446 20000228
- 主分类号： G06F13/00
- IPC分类号： G06F13/00 ; H04L12/18 ; H04L12/46 ; H04L12/66 ; H04L12/70 ; H04L12/701 ; H04L12/749 ; H04L12/761 ; H04L12/951 ; G06F15/16
摘要：
Multicast packet transferring apparatus and system with a multicast packet transferred from one transferring apparatus existing in one domain to another transferring apparatus existing in another domain, the former transferring apparatus converts the multicast packet fed from a transmitter to a unicast packet and transfers the converted packet to the latter transferring apparatus. The latter transferring apparatus reconstructs the original multicast packet from the received unicast packet and rewrites to replace a transmitter address contained in the reconstructed multicast packet with an address of the transferring apparatus and then transfers the rewritten multicast packet having the rewritten address to specified receivers.
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