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1. 发明申请

WO1997047113A1 CONNECTION AGGREGATION IN SWITCHED COMMUNICATIONS NETWORKS 审中-公开
标题翻译：切换通信网络中的连接聚合
公开(公告)号：WO1997047113A1
公开(公告)日：1997-12-11
申请号：PCT/US1997009552
申请日：1997-06-02
申请人： CABLETRON SYSTEMS, INC.
发明人： CABLETRON SYSTEMS, INC. , BELSER, David , BUSSIERE, Richard , CIOLI, Jeff , FEE, Brendan , HAGGERTY, William, H.
IPC分类号： H04L12/46
CPC分类号： H04L12/4608
摘要： A method and apparatus are provided for connection-oriented switching in a communications network wherein a pre-established path is established between a select pair of an ingress switch and an egress switch. The use of pre-established paths enables a reduction in the total number of connections required inside the switch cloud, reduces the CPU load on trunk switches, and shortens the time for connection setup. In the embodiment described, the DA/SA fields of a MAC frame data packet are replaced with a "virtual path", which identifies the pre-established path between the ingress and egress switches. A "virtual circuit" is provided in another field of the modified packet which specifies the out-port and out-header on the egress switch for demultiplexing the modified packet upon receipt at the egress switch. The virtual circuit is exchanged between the ingress and egress switches at connection setup. The virtual path is assumed to already be in place, and known to both switches, prior to connection setup.
摘要翻译：在通信网络中提供用于面向连接的交换的方法和装置，其中在入口交换机的选择对和出口交换机之间建立预先建立的路径。使用预先建立的路径可以减少交换机云中所需的连接总数，减少中继交换机的CPU负载，缩短连接设置的时间。在所描述的实施例中，MAC帧数据分组的DA / SA字段被识别出入口和出口交换机之间的预先建立的路径的“虚拟路径”替换。在修改的分组的另一个字段中提供“虚拟电路”，其指定出口交换机上的出端口和出站头，用于在出口交换机接收时解复用修改的分组。在连接设置时，在入口和出口交换机之间交换虚拟电路。在连接建立之前，假设虚拟路径已经到位，并且两个交换机都已知。

2. 发明授权

EP0903028B1 CONNECTION AGGREGATION IN SWITCHED COMMUNICATIONS NETWORKS 失效
标题翻译： IN CONNECTIONS交换通信网络内容
公开(公告)号：EP0903028B1
公开(公告)日：2004-03-03
申请号：EP97926884.4
申请日：1997-06-02
申请人： CABLETRON SYSTEMS, INC.
发明人： BELSER, David , BUSSIERE, Richard , CIOLI, Jeff , FEE, Brendan , HAGGERTY, William, H.
IPC分类号： H04L12/46
CPC分类号： H04L12/4608
摘要： A method and apparatus are provided for connection-oriented switching in a communications network wherein a pre-established path is established between a select pair of an ingress switch and an egress switch. The use of pre-established paths enables a reduction in the total number of connections required inside the switch cloud, reduces the CPU load on trunk switches, and shortens the time for connection setup. In the embodiment described, the DA/SA fields of a MAC frame data packet are replaced with a "virtual path", which identifies the pre-established path between the ingress and egress switches. A "virtual circuit" is provided in another field of the modified packet which specifies the out-port and out-header on the egress switch for demultiplexing the modified packet upon receipt at the egress switch. The virtual circuit is exchanged between the ingress and egress switches at connection setup. The virtual path is assumed to already be in place, and known to both switches, prior to connection setup.

3. 发明公开

EP0903028A1 CONNECTION AGGREGATION IN SWITCHED COMMUNICATIONS NETWORKS 失效
标题翻译： IN CONNECTIONS交换通信网络内容
公开(公告)号：EP0903028A1
公开(公告)日：1999-03-24
申请号：EP97926884.0
申请日：1997-06-02
申请人： CABLETRON SYSTEMS, INC.
发明人： BELSER, David , BUSSIERE, Richard , CIOLI, Jeff , FEE, Brendan , HAGGERTY, William, H.
IPC分类号： H04L12
CPC分类号： H04L12/4608
摘要： A method and apparatus are provided for connection-oriented switching in a communications network wherein a pre-established path is established between a select pair of an ingress switch and an egress switch. The use of pre-established paths enables a reduction in the total number of connections required inside the switch cloud, reduces the CPU load on trunk switches, and shortens the time for connection setup. In the embodiment described, the DA/SA fields of a MAC frame data packet are replaced with a 'virtual path', which identifies the pre-established path between the ingress and egress switches. A 'virtual circuit' is provided in another field of the modified packet which specifies the out-port and out-header on the egress switch for demultiplexing the modified packet upon receipt at the egress switch. The virtual circuit is exchanged between the ingress and egress switches at connection setup. The virtual path is assumed to already be in place, and known to both switches, prior to connection setup.

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