公开(公告)号：EP1869832A1

公开(公告)日：2007-12-26

申请号：EP06739074.0

申请日：2006-03-21

申请人： Cisco Technology, Inc.

发明人： FERNANDO, Rex ,  SHAH, Himanshu ,  PATEL, Keyur ,  RASZUK, Robert

IPC分类号： H04L12/28 ,  H04L12/56

CPC分类号： H04L45/28 ,  H04L45/02 ,  H04L45/04 ,  H04L45/54

摘要： A method and apparatus are disclosed for accelerating Border Gateway Protocol (BGP) route convergence in an autonomous system. A virtual link identifier is assigned to each link of a set of communication links that are established between a BGP host and one or more network elements in one or more networks. For a particular link of the set of communication links, one or more routes that are reachable on the link are determined. The BGP host stores an association of the one or more routes with a BGP identifier of the BGP host and the virtual link identifier that is assigned to the particular link. The BGP host advertises the one or more routes to a BGP peer in a message, where the message includes the BGP identifier and the virtual link identifier.

公开(公告)号：EP3000206A1

公开(公告)日：2016-03-30

申请号：EP14728777.5

申请日：2014-05-06

申请人： Cisco Technology, Inc.

发明人： BOSCH, Hendrikus, G.P. ,  GUICHARD, James ,  BARACH, Dave ,  DUMINUCO, Alessandro ,  FANG, Luyuan ,  QUINN, Paul ,  FERNANDO, Rex ,  WARD, David

IPC分类号： H04L12/715

CPC分类号： H04L67/10 ,  H04L45/02 ,  H04L45/04

摘要： Presented herein are techniques for use in a network environment that includes one or more service zones, each service zone including at least one instance of an in-line application service to be applied to network traffic and one or more routers to direct network traffic to the at least one service, and a route target being assigned to a unique service zone to serve as a community value for route import and export between routers of other service zones, destination networks or source networks via a control protocol. An edge router in each service zone or destination network advertises routes by its destination network prefix tagged with its route target. A service chain is created by importing and exporting of destination network prefixes by way of route targets at edge routers of the service zones or source networks.

公开(公告)号：EP4066454A1

公开(公告)日：2022-10-05

申请号：EP20820685.4

申请日：2020-11-13

申请人： Cisco Technology, Inc.

发明人： GUPTA, Anubhav ,  FERNANDO, Rex ,  HOODA, Sanjay Kumar ,  APPALA, Syam Sundar ,  THORIA, Samir

IPC分类号： H04L12/751 ,  H04L12/715 ,  H04L12/741

公开(公告)号：EP3000206B1

公开(公告)日：2018-07-11

申请号：EP14728777.5

申请日：2014-05-06

申请人： Cisco Technology, Inc.

发明人： BOSCH, Hendrikus, G.P. ,  GUICHARD, James ,  BARACH, Dave ,  DUMINUCO, Alessandro ,  FANG, Luyuan ,  QUINN, Paul ,  FERNANDO, Rex ,  WARD, David

IPC分类号： H04L12/751 ,  H04L29/08 ,  H04L12/715

CPC分类号： H04L67/10 ,  H04L45/02 ,  H04L45/04

摘要： Presented herein are techniques for use in a network environment that includes one or more service zones, each service zone including at least one instance of an in-line application service to be applied to network traffic and one or more routers to direct network traffic to the at least one service, and a route target being assigned to a unique service zone to serve as a community value for route import and export between routers of other service zones, destination networks or source networks via a control protocol. An edge router in each service zone or destination network advertises routes by its destination network prefix tagged with its route target. A service chain is created by importing and exporting of destination network prefixes by way of route targets at edge routers of the service zones or source networks.