发明名称 |
Planning routes and allocating identifiers to routes in a managed frame-forwarding network |
摘要 |
A method is provided of planning routes and allocating route identifiers in a managed frame-forwarding network. The network comprises a plurality of nodes interconnected by links, with each node being arranged to forward data frames according to a combination of an identifier and a network address carried by a received data frame and forwarding instructions stored at the node. A first step of the method identifies a sub-set of nodes which are core nodes of the network. The remaining nodes are termed outlying nodes. A spanning tree is then built off each of the identified core nodes, with the spanning tree stopping one link short of any other core node. Each spanning tree defines a loop-free path between a core node at the root of the spanning tree and a set of outlying nodes. Connections are planned between roots of the spanning trees and a different identifier is allocated to each planned connection between a pair of spanning trees.
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申请公布号 |
US7756035(B2) |
申请公布日期 |
2010.07.13 |
申请号 |
US20060343996 |
申请日期 |
2006.01.31 |
申请人 |
NORTEL NETWORKS LIMITED |
发明人 |
BRAGG NIGEL;BOTTORFF PAUL;ALLAN DAVID;FRISKNEY ROBERT;PARRY SIMON |
分类号 |
H04L12/26;G06F15/16;G06F15/173;H04L12/28;H04L12/56 |
主分类号 |
H04L12/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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