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51. 发明授权

US5128926A Updating link state information in networks 失效
标题翻译：更新网络中的链接状态信息
公开(公告)号：US5128926A
公开(公告)日：1992-07-07
申请号：US496632
申请日：1990-03-21
申请人： Radia J. Perlman , Ross Callon , Charles W. Kaufman
发明人： Radia J. Perlman , Ross Callon , Charles W. Kaufman
IPC分类号： G06F13/00 , H04L12/56 , H04L29/00
CPC分类号： H04L45/02 , H04L29/00
摘要： Stored information used for routing packets of a network of nodes interconnected by links. A link state packet is sent to the first node indicating the states of links connected to some given node in the network. At the first node, an attempt is made to derive from the link state packet sent in step (a), the states of the links. If the states of fewer than all of the links connected to the given node are derived in step (b), the stored information used for routing packets is updated using the derived link states without regard to other link state packets sent to the first node. Another aspect features organizing, at a node in a network of nodes interconnected by links, a database of entries concerning respective links, by (a) providing indicators associated with the entries, (b) when a link becomes inoperable, setting or clearing the indicator associated with the entry related to the link, and (c) when the link becomes operable, clearing or setting the indicator. Another aspect features organizing information concerning the states of links interconnecting nodes of a network of nodes, the information being grouped in link state packets indicating the states of links connected to respective source nodes. The link state packets are ordered, a range of the link state packets in the order is selected, and a summary is formed including information indicating the boundaries of the selected range, and information identifying each link state packet in the selected range.

52. 发明授权

US5018137A Transparent load sharing for parallel networks 失效
标题翻译：并行网络的透明负载分担
公开(公告)号：US5018137A
公开(公告)日：1991-05-21
申请号：US598214
申请日：1990-10-16
申请人： Floyd J. Backes , George Varghese , Charles W. Kaufman
发明人： Floyd J. Backes , George Varghese , Charles W. Kaufman
IPC分类号： H04L12/46 , H04L12/56
CPC分类号： H04L45/742 , H04L12/462 , H04L45/04 , H04L45/24
摘要： A method for improving communications in a bridge network between end nodes involving sensing trunking configurations and executing binding schemes to make certain daughter bridges involved in the trunking conditions behave as a plurality of bridges and forward messages in the correct time sequence. This can be done by creating "forwarding groups" associating different groups of networks connected to those daughter bridges.
摘要翻译：一种用于改善在涉及感测中继配置和执行绑定方案的终端节点之间的桥接网络中的通信的方法，以使得参与中继条件的某些子桥梁以正确的时间顺序表现为多个网桥和转发消息。这可以通过创建“转发组”来关联连接到这些子桥的不同网络组。

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