发明授权
US07664878B2 Communication system, mobile terminal, relay apparatus, and transfer route learning method
有权
通信系统，移动终端，中继设备和传输路由学习方法
- 专利标题： Communication system, mobile terminal, relay apparatus, and transfer route learning method
- 专利标题（中）： 通信系统，移动终端，中继设备和传输路由学习方法
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申请号： US11344015申请日： 2006-02-01
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公开(公告)号： US07664878B2公开(公告)日： 2010-02-16
- 发明人: Hideaki Takahashi , Masayuki Motegi , Yasuhiro Kato , Takehiro Nakamura
- 申请人： Hideaki Takahashi , Masayuki Motegi , Yasuhiro Kato , Takehiro Nakamura
- 申请人地址： JP Tokyo
- 专利权人： NTT DoCoMo, Inc.
- 当前专利权人： NTT DoCoMo, Inc.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JPP2005-025566 20050201
- 主分类号： G06F15/173
- IPC分类号： G06F15/173
摘要：
A communication system includes a relay apparatus which offers an access link to a mobile terminal, a layer 2 switch which relays data between the relay apparatus and a router on a next hop from a communication destination terminal of the mobile terminal, and a route information notification unit. The route information notification unit notifies, to the relay apparatus and the layer 2 switch in a subnet where the mobile terminal is present, route information including a data link layer unicast address of a packet addressed to the mobile terminal, and a data link layer multicast address thereof in a case where the mobile terminal is activated and in a case where the mobile terminal switches a connection.
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