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1. 发明申请

US20100157846A1 METHODS AND SYSTEMS FOR DETERMINING A NETWORK DATA PATH 有权
标题翻译：用于确定网络数据路径的方法和系统
公开(公告)号：US20100157846A1
公开(公告)日：2010-06-24
申请号：US12342659
申请日：2008-12-23
申请人： Carl Anthony Cooper , Shiow-Ching Ho , Douglas A. Jones
发明人： Carl Anthony Cooper , Shiow-Ching Ho , Douglas A. Jones
IPC分类号： H04L12/28
CPC分类号： H04L45/245 , H04L41/145 , H04L43/0876 , H04L45/10 , H04L2212/00
摘要： Methods and systems for path determining a network data path are described. In one embodiment, equal cost multiple paths (ECMPs) for a proposed TE tunnel on a network may be determined. The proposed TE tunnel may extend between a head-end tunneling capable router and a tail-end tunneling capable router. The network may further comprise inter router links extending between tunneling capable routers. For each inter router link of at least a portion of the inter router links, a usage count may be established for that inter router link. The usage count may be the number of ECMPs for the proposed TE tunnel that use that inter router link. A tunnel path may be selected from the ECMPs for the proposed TE tunnel that has the lowest usage count of the inter router links. The selected tunnel path may be added to a model of the network. Additional methods and systems are disclosed.
摘要翻译：描述用于确定网络数据路径的路径的方法和系统。在一个实施例中，可以确定网络上所建议的TE隧道的等价成本多路径（ECMP）。所提出的TE隧道可以在具有前端隧道功能的路由器和具有后端隧道功能的路由器之间扩展。该网络还可以包括在可隧道化的路由器之间延伸的路由器间链路。对于至少一部分路由器间链路的每个中间路由器链路，可以为该路由器间链路建立使用计数。使用计数可以是使用该路由器链路的所提出的TE隧道的ECMP的数量。可以从具有路由器间链路的最小使用计数的所提出的TE隧道的ECMP中选择隧道路径。所选择的隧道路径可以被添加到网络的模型中。公开了附加的方法和系统。

2. 发明授权

US08085688B2 Methods and systems for determining a network data path 有权
标题翻译：用于确定网络数据路径的方法和系统
公开(公告)号：US08085688B2
公开(公告)日：2011-12-27
申请号：US12342659
申请日：2008-12-23
申请人： Carl Anthony Cooper , Shiow-Ching Ho , Douglas A. Jones
发明人： Carl Anthony Cooper , Shiow-Ching Ho , Douglas A. Jones
IPC分类号： H04L12/28
CPC分类号： H04L45/245 , H04L41/145 , H04L43/0876 , H04L45/10 , H04L2212/00
摘要： Methods and systems for path determining a network data path are described. In one embodiment, equal cost multiple paths (ECMPs) for a proposed TE tunnel on a network may be determined. The proposed TE tunnel may extend between a head-end tunneling capable router and a tail-end tunneling capable router. The network may further comprise inter router links extending between tunneling capable routers. For each inter router link of at least a portion of the inter router links, a usage count may be established for that inter router link. The usage count may be the number of ECMPs for the proposed TE tunnel that use that inter router link. A tunnel path may be selected from the ECMPs for the proposed TE tunnel that has the lowest usage count of the inter router links. The selected tunnel path may be added to a model of the network. Additional methods and systems are disclosed.
摘要翻译：描述用于确定网络数据路径的路径的方法和系统。在一个实施例中，可以确定网络上所建议的TE隧道的等价成本多路径（ECMP）。所提出的TE隧道可以在具有前端隧道功能的路由器和具有后端隧道功能的路由器之间扩展。该网络还可以包括在可隧道化的路由器之间延伸的路由器间链路。对于至少一部分路由器间链路的每个中间路由器链路，可以为该路由器间链路建立使用计数。使用计数可以是使用该路由器链路的所提出的TE隧道的ECMP的数量。可以从具有路由器间链路的最小使用计数的所提出的TE隧道的ECMP中选择隧道路径。所选择的隧道路径可以被添加到网络的模型中。公开了附加的方法和系统。

3. 发明申请

US20110063985A1 METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO MONITOR TUNNELS WITHIN TRAFFIC ENGINEERING/FAST REROUTE ENABLED NETWORKS 有权
标题翻译：方法，设备和制造工艺在交通工程/快速启动网络中监控隧道的文章
公开(公告)号：US20110063985A1
公开(公告)日：2011-03-17
申请号：US12561780
申请日：2009-09-17
申请人： Heng Wang , Shiow-Ching Ho , Leah Li Zhang
发明人： Heng Wang , Shiow-Ching Ho , Leah Li Zhang
IPC分类号： H04L12/26 , H04L12/28
CPC分类号： H04L41/12
摘要： Example methods and apparatus to monitor tunnels within traffic engineering/fast reroute (TE/FRR) enabled networks are disclosed. A disclosed example apparatus includes a message interface to receive from a router a change alert notification for a traffic engineering (TE) tunnel, a router interrogator to interrogate the router to obtain updated path information for the TE tunnel in response to the received change alert notification, and a topology database interface to update a database representative of a tunnel topology of a TE/FRR enabled network based on the updated path information.
摘要翻译：公开了在流量工程/快速重路由（TE / FRR）网络中监控隧道的示例方法和装置。所公开的示例性设备包括消息接口，用于从路由器接收用于流量工程（TE）隧道的改变警报通知，路由器询问器，用于询问路由器以响应于所接收到的改变警报通知来获取TE隧道的更新的路径信息以及拓扑数据库接口，用于基于更新的路径信息更新代表启用TE / FRR的网络的隧道拓扑的数据库。

4. 发明授权

US08630189B2 Methods, apparatus and articles of manufacture to monitor tunnels within traffic engineering/fast reroute enabled networks 有权
标题翻译：用于监控交通工程/快速重路由的网络中的隧道的方法，装置和制造
公开(公告)号：US08630189B2
公开(公告)日：2014-01-14
申请号：US12561780
申请日：2009-09-17
申请人： Heng Wang , Shiow-Ching Ho , Leah Li Zhang
发明人： Heng Wang , Shiow-Ching Ho , Leah Li Zhang
IPC分类号： H04L12/26 , H04L12/28
CPC分类号： H04L41/12
摘要： Example methods and apparatus to monitor tunnels within traffic engineering/fast reroute (TE/FRR) enabled networks are disclosed. A disclosed example apparatus includes a message interface to receive from a router a change alert notification for a traffic engineering (TE) tunnel, a router interrogator to interrogate the router to obtain updated path information for the TE tunnel in response to the received change alert notification, and a topology database interface to update a database representative of a tunnel topology of a TE/FRR enabled network based on the updated path information.
摘要翻译：公开了在流量工程/快速重路由（TE / FRR）网络中监控隧道的示例方法和装置。所公开的示例性设备包括消息接口，用于从路由器接收用于流量工程（TE）隧道的改变警报通知，路由器询问器，用于询问路由器以响应于所接收到的改变警报通知来获取TE隧道的更新的路径信息以及拓扑数据库接口，用于基于更新的路径信息更新代表启用TE / FRR的网络的隧道拓扑的数据库。

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