发明申请
- 专利标题: COMMUNICATION SYSTEM AND COMMUNICATION DEVICE
- 专利标题(中): 通信系统和通信设备
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申请号: US13512480申请日: 2009-11-30
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公开(公告)号: US20120236866A1公开(公告)日: 2012-09-20
- 发明人: Hideki Endo , Taisuke Ueta , Yoshihiro Ashi , Norio Miyazaki
- 申请人: Hideki Endo , Taisuke Ueta , Yoshihiro Ashi , Norio Miyazaki
- 申请人地址: JP Tokyo
- 专利权人: HITACHI, LTD.
- 当前专利权人: HITACHI, LTD.
- 当前专利权人地址: JP Tokyo
- 国际申请: PCT/JP2009/070097 WO 20091130
- 主分类号: H04L12/56
- IPC分类号: H04L12/56
摘要:
Provided is a communication system which is provided with a plurality of communication devices and transfers a packet between the plurality of communication devices through a communication path. When a packet is looped back at any of the communication devices on the communication path to verify connectivity of the communication path, a first communication device of the plurality of communication devices stores, in a first region of header information of the packet, first information for designating the communication device at which the packet is looped back, further stores, in a second region of the header information of the packet, second information on a loopback point in the designated communication device at which the packet is looped back, and sends the packet to which the first information and the second information have been added.
公开/授权文献
- US09083602B2 Communication system and communication device 公开/授权日:2015-07-14