Invention Grant
- Patent Title: Network system, spanning tree configuration method, spanning tree configuration node, and spanning tree configuration program
- Patent Title (中): 网络系统，生成树配置方式，生成树配置节点和生成树配置程序
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Application No.: US12073331Application Date: 2008-03-04
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Publication No.: US07855981B2Publication Date: 2010-12-21
- Inventor: Nobuyuki Enomoto , Masaki Umayabashi , Youichi Hidaka , Atsushi Iwata , Makoto Shibutani
- Applicant: Nobuyuki Enomoto , Masaki Umayabashi , Youichi Hidaka , Atsushi Iwata , Makoto Shibutani
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: McGinn Intellectual Property Law Group, PLLC
- Priority: JP2002-242621 20020822; JP2003-041838 20030219
- Main IPC: H04L12/28
- IPC: H04L12/28 ; G06F15/173
Abstract:
A node that configures a spanning tree over a network to which a plurality of nodes are connected generates a tree after a cost change using another LAN while continuing to operate the tree that existed before the change, and switches the tree that is used for forwarding after the new tree has been stable.
Public/Granted literature
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