公开(公告)号：US20080225864A1

公开(公告)日：2008-09-18

申请号：US11687214

申请日：2007-03-16

申请人： Mustapha Aissaoui ,  Andrew Dolganow ,  Matthew Bocci ,  Alexey Zinin ,  Dimitri Papadimitriou

发明人： Mustapha Aissaoui ,  Andrew Dolganow ,  Matthew Bocci ,  Alexey Zinin ,  Dimitri Papadimitriou

IPC分类号： H04L12/46

CPC分类号： H04L45/04 ,  H04L12/4633 ,  H04L41/12 ,  H04L45/02 ,  H04L45/50

摘要： Communication network routing apparatus and techniques using logical communication links are disclosed. A routing apparatus identifies a logical communication link that it is capable of being used to establish a virtual connection with another routing apparatus within a virtual connection operational domain, which includes multiple sub-domains, of an underlying communication system. A destination that is associated with the routing apparatus and is reachable through the virtual connection is also identified. Information that is indicative of the identified logical communication link and of the identified destination is provided for distribution from a sub-domain of the routing apparatus in the virtual connection operational domain to another sub-domain within the virtual connection operational domain. This distribution of information enables a routing apparatus in one sub-domain to dynamically route a virtual connection toward a destination in a different sub-domain. Data structures for distributing the information are also disclosed.

摘要翻译： 公开了使用逻辑通信链路的通信网络路由设备和技术。 路由装置识别逻辑通信链路，其能够用于与底层通信系统的虚拟连接操作域（包括多个子域）内的另一路由装置建立虚拟连接。 还识别与路由设备相关联并且可通过虚拟连接到达的目的地。 指示所识别的逻辑通信链路和所识别的目的地的信息被提供用于从虚拟连接操作域中的路由设备的子域分发到虚拟连接操作域内的另一个子域。 这种信息分布使得一个子域中的路由设备能够将虚拟连接动态地路由到不同子域中的目的地。 还公开了用于分发信息的数据结构。

公开(公告)号：US20080205271A1

公开(公告)日：2008-08-28

申请号：US11679582

申请日：2007-02-27

申请人： MUSTAPHA AISSAOUI ,  Andrew Dolganow

发明人： MUSTAPHA AISSAOUI ,  Andrew Dolganow

IPC分类号： H04L12/26

CPC分类号： H04L45/121 ,  H04L12/66 ,  H04L45/02 ,  H04L45/04 ,  H04L45/12 ,  H04L45/124 ,  H04L45/44 ,  H04L45/50 ,  H04L47/10

摘要： Virtual connection route selection apparatus and techniques are disclosed. At a communication traffic routing apparatus, metric information associated with multiple different routes for a virtual connection, such as a PseudoWire, toward a destination is collected. The metric information may be collected from one or more remote route computation elements capable of computing routes for virtual connections between the routing apparatus and other routing apparatus over an underlying communication system, or during actual establishment of the virtual connections, for example. An initial or re-optimized route for a virtual connection can then be selected at the routing apparatus based on the collected metric information. In some embodiments, although the virtual connection routes are paths computed by Path Computation Elements (PCEs), actual path selection decisions are distributed to routers.

摘要翻译： 公开虚拟连接路由选择装置和技术。 在通信业务路由装置中，收集与目的地的虚拟连接（例如伪线）的多个不同路由相关联的度量信息。 例如，可以从一个或多个远程路线计算元件收集度量信息，所述远程路线计算元件能够通过底层通信系统计算路由设备和其他路由设备之间的虚拟连接的路由，或者在虚拟连接的实际建立期间。 然后可以基于收集的度量信息在路由设备处选择用于虚拟连接的初始或重新优化的路由。 在一些实施例中，尽管虚拟连接路由是由路径计算元素（PCE）计算的路径，但实际的路径选择决定分配给路由器。

公开(公告)号：US08345552B2

公开(公告)日：2013-01-01

申请号：US11679582

申请日：2007-02-27

申请人： Mustapha Aissaoui ,  Andrew Dolganow

发明人： Mustapha Aissaoui ,  Andrew Dolganow

IPC分类号： H04L12/26

CPC分类号： H04L45/121 ,  H04L12/66 ,  H04L45/02 ,  H04L45/04 ,  H04L45/12 ,  H04L45/124 ,  H04L45/44 ,  H04L45/50 ,  H04L47/10

摘要： Virtual connection route selection apparatus and techniques are disclosed. At a communication traffic routing apparatus, metric information associated with multiple different routes for a virtual connection, such as a PseudoWire, toward a destination is collected. The metric information may be collected from one or more remote route computation elements capable of computing routes for virtual connections between the routing apparatus and other routing apparatus over an underlying communication system, or during actual establishment of the virtual connections, for example. An initial or re-optimized route for a virtual connection can then be selected at the routing apparatus based on the collected metric information. In some embodiments, although the virtual connection routes are paths computed by Path Computation Elements (PCEs), actual path selection decisions are distributed to routers.

摘要翻译： 公开虚拟连接路由选择装置和技术。 在通信业务路由装置中，收集与目的地的虚拟连接（例如伪线）的多个不同路由相关联的度量信息。 例如，可以从一个或多个远程路线计算元件收集度量信息，所述远程路线计算元件能够通过底层通信系统计算路由设备和其他路由设备之间的虚拟连接的路由，或者在虚拟连接的实际建立期间。 然后可以基于收集的度量信息在路由设备处选择用于虚拟连接的初始或重新优化的路由。 在一些实施例中，尽管虚拟连接路由是由路径计算元素（PCE）计算的路径，但实际的路径选择决定分配给路由器。

公开(公告)号：US07940753B2

公开(公告)日：2011-05-10

申请号：US11987319

申请日：2007-11-29

申请人： Andrew Dolganow

发明人： Andrew Dolganow

IPC分类号： H04L12/50

CPC分类号： H04L45/22 ,  H04L45/04 ,  H04L45/28 ,  H04L45/42 ,  H04L45/50

摘要： A system and related method for enhancing routing optimality in IP networks requiring path establishment, including one or more of the following: first and second network clouds including a plurality of communication elements, ones of the plurality of communication elements in the network clouds being first and second communication element, the network clouds having boundaries beyond which each of the plurality of communication elements are unable to see a connectivity between any other communication elements outside the respective network clouds; a path computational element that automatically computes an explicit optimal network route between the first and second communication elements and having an overview of all communication elements in the network clouds, the path computational element providing the computed explicit optimal network route to a routing engine; commissioning a path through the first network cloud and the second network cloud from the first communication element to the second communication element using the provided explicit optimal network route; establishing a path using the computed explicit optimal network route; switching to an alternative route that is inferior to the computed explicit optimal network route upon a failure of the computed explicit optimal network route to function properly; attempting to renegotiate the commissioned path to the computed explicit optimal network route; determining that the explicit optimal network route is again available; and switching the commissioned path back to the computed explicit optimal network route when that route is determined to be again available.

摘要翻译： 一种用于增强需要路径建立的IP网络中的路由最优性的系统和相关方法，包括以下一个或多个：包括多个通信元件的第一和第二网络云，网络云中的多个通信元件中的一个是第一和 第二通信元件，所述网络云具有超出所述多个通信元件中的每一个不能看到相应网络云外部的任何其他通信元件之间的连接的边界; 路径计算元件，其自动计算所述第一和第二通信元件之间的显式最优网络路由，并具有所述网络云中的所有通信元素的概述，所述路径计算元件将所计算的显式最优网络路由提供给路由引擎; 使用所提供的显式最优网络路由从第一通信元件到第二通信元件调试通过第一网络云和第二网络云的路径; 使用计算的显式最优网络路由建立路径; 当所计算的显式最优网络路由故障正常运行时，切换到劣于所计算的显式最优网络路由的替代路由; 试图重新协商计算的显式最优网络路由的委托路径; 确定显式最优网络路由再次可用; 并且当该路由被确定为再次可用时，将委托路径切换回计算的显式最优网络路由。

公开(公告)号：US07801023B2

公开(公告)日：2010-09-21

申请号：US11902708

申请日：2007-09-25

申请人： William McConnochie ,  Andrew Dolganow

发明人： William McConnochie ,  Andrew Dolganow

IPC分类号： H04J1/00

CPC分类号： H04L45/00 ,  H04L45/22 ,  H04L45/245 ,  H04L45/28 ,  H04Q11/0442 ,  H04Q2213/13036 ,  H04Q2213/13097 ,  H04Q2213/13141 ,  H04Q2213/13145 ,  H04Q2213/13166 ,  H04Q2213/13167 ,  H04Q2213/13209 ,  H04Q2213/13367 ,  Y02D50/30

摘要： A mechanism and method for efficient endpoint discriminator allocation for APS protected MLPPP bundles on distributed routing systems, including one or more of the following: specifying working and protection MLPPP bundles; retrieving an endpoint discriminator for the working bundle and updating an endpoint discriminator of the protection bundle based on same; specifying MLPPP operating parameters for the bundles; associating the bundles with an APS circuit; adding links and corresponding discriminators in an LCP between a near end bundle and a far end bundle; bringing up an MLPPP session; and adding links between bundles upon an APS switchover.

摘要翻译： 一种用于在分布式路由系统上的APS保护的MLPPP束的高效端点鉴别器分配的机制和方法，包括以下一个或多个：指定工作和保护MLPPP束; 检索所述工作束的端点鉴别器，并基于该更新来保护所述保护束的端点鉴别器; 指定捆绑包的MLPPP操作参数; 将捆绑与APS电路相关联; 在近端束和远端束之间的LCP中添加链路和对应的鉴别器; 举办MLPPP会议; 并在APS切换之后添加捆绑包之间的链接。

公开(公告)号：US20100212006A1

公开(公告)日：2010-08-19

申请号：US12371197

申请日：2009-02-13

申请人： Andrew Dolganow ,  Jason Rusmisel ,  Steve Morin

发明人： Andrew Dolganow ,  Jason Rusmisel ,  Steve Morin

IPC分类号： G06F21/00

CPC分类号： H04L67/104 ,  H04L67/1085

摘要： Various exemplary embodiments relate to a method and related network element including one or more of the following: receiving a plurality of packets belonging to an IP flow, the packets received in a network element in the telecommunications network; performing deep packet inspection (DPI) to identify an application protocol associated with the flow; when the application protocol is a peer-to-peer (P2P) protocol, performing DPI to extract a key from one or more of the packets in the flow, the key uniquely identifying a P2P content item; querying a P2P content database using the key, the P2P content database maintaining a mapping between keys and corresponding traffic management actions; and when the key is located in the P2P content database, performing the traffic management action associated with the key in the P2P content database.

摘要翻译： 各种示例性实施例涉及包括以下中的一个或多个的方法和相关网络元件：接收属于IP流的多个分组，在电信网络中的网络元件中接收的分组; 执行深度分组检测（DPI）以识别与流相关联的应用协议; 当应用协议是对等（P2P）协议时，执行DPI从流中的一个或多个分组提取密钥，所述密钥唯一地标识P2P内容项; 使用密钥查询P2P内容数据库，P2P内容数据库维护密钥和对应的流量管理动作之间的映射; 并且当所述密钥位于所述P2P内容数据库中时，执行与所述P2P内容数据库中的所述密钥相关联的流量管理动作。

公开(公告)号：US20100211789A1

公开(公告)日：2010-08-19

申请号：US12371261

申请日：2009-02-13

申请人： Andrew Dolganow ,  Steve Morin

发明人： Andrew Dolganow ,  Steve Morin

IPC分类号： H04L9/30 ,  G06F15/16

CPC分类号： H04L63/0227 ,  H04L63/1441 ,  H04L67/104

摘要： Various exemplary embodiments relate to a method and related network element including one or more of the following: receiving, in a network element in the telecommunications network, a first plurality of packets transmitted from a P2P client to a P2P central entity, the first plurality of packets relating to a request for peer location information; performing deep packet inspection (DPI) to extract a key from the request for peer location information, the key identifying a P2P content item; querying a key storage module using the key to determine whether the key corresponds to a P2P content item for which transfers are to be prevented; and preventing subsequent transfers of the P2P content item between the P2P client and one or more peers that maintain the P2P content item.

摘要翻译： 各种示例性实施例涉及包括以下一个或多个的方法和相关网络元件：在电信网络中的网元中接收从P2P客户端发送到P2P中心实体的第一多个分组，第一多个 与对等位置信息请求有关的数据包; 执行深度包检测（DPI）从对等位置信息请求中提取密钥，该密钥识别P2P内容项; 使用所述密钥来查询密钥存储模块，以确定所述密钥是否对应于要防止传输的P2P内容项; 并且防止P2P客户端与维护P2P内容项目的一个或多个对等体之间的P2P内容项目的后续传送。

公开(公告)号：US20100188983A1

公开(公告)日：2010-07-29

申请号：US12362328

申请日：2009-01-29

申请人： Benjamin D. Washam ,  Andrew Dolganow ,  Lei Qiu

发明人： Benjamin D. Washam ,  Andrew Dolganow ,  Lei Qiu

IPC分类号： H04L12/26 ,  H04L12/28

CPC分类号： H04L43/0811 ,  H04L41/06 ,  H04L41/0803 ,  H04L41/0856

摘要： Various exemplary embodiments relate to a method and related network node including one or more of the following: configuring a maintenance domain on a first network node; configuring a maintenance association within the maintenance domain on a first network node; configuring, within the maintenance association, a local maintenance endpoint (MEP) on the first network node; and establishing a plurality of point-to-point connections within the maintenance association, each point-to-point connection established between the local MEP and a respective remote MEP on a respective network node of the plurality of network nodes using an identifier of the respective remote MEP and a Media Access Control (MAC) address of the respective remote MEP, wherein each point-to-point connection enables transmission of unicast CFM messages from the local MEP to the respective remote MEP, and the plurality of point-to-point connections are established within a single maintenance association.

摘要翻译： 各种示例性实施例涉及包括以下一个或多个的方法和相关网络节点：在第一网络节点上配置维护域; 在第一网络节点上的维护域内配置维护关联; 在所述维护关联内配置所述第一网络节点上的本地维护端点（MEP）; 以及在所述维护关联内建立多个点对点连接，使用所述多个网络节点的标识符，在所述多个网络节点的相应网络节点上的所述本地MEP和相应远程MEP之间建立每个点对点连接 远程MEP和相应的远程MEP的媒体访问控制（MAC）地址，其中每个点对点连接使得能够将来自本地MEP的单播CFM消息传输到相应的远程MEP，并且多个点到点 连接建立在一个维护关联中。

公开(公告)号：US20100057940A1

公开(公告)日：2010-03-04

申请号：US12200658

申请日：2008-08-28

申请人： Andrew Dolganow ,  Steven Edward Morin

发明人： Andrew Dolganow ,  Steven Edward Morin

IPC分类号： G06F15/16

CPC分类号： H04L47/803 ,  H04L43/0817

摘要： A packet processing system for providing application-aware hot redundancy and a related card and methods are disclosed. The system may include a plurality of active devices, each including a processor configured to perform deep packet inspection to identify an application associated with an active flow, and a redundancy block configured to determine whether the application requires hot redundancy and, if so, to forward a message from which state information may be derived. The system may also include at least one protecting device in communication with each of the active devices and configured to receive the message regarding the active flow from the active device, derive state information from the message, and resume packet forwarding operations for the active flow upon failure of a respective active device of the plurality of active devices.

摘要翻译： 公开了一种用于提供应用感知热冗余的分组处理系统以及相关的卡和方法。 该系统可以包括多个活动设备，每个活动设备包括被配置为执行深度分组检查以识别与活动流相关联的应用的处理器，以及被配置为确定应用是否需要热冗余的冗余块，如果是，则转发 可以导出状态信息的消息。 系统还可以包括与每个活动设备通信的至少一个保护设备，并且被配置为从主动设备接收关于主动流的消息，从消息中导出状态信息，并且恢复主动流的分组转发操作 多个有源器件的相应有源器件的故障。

公开(公告)号：US20090219930A1

公开(公告)日：2009-09-03

申请号：US12071982

申请日：2008-02-28

申请人： Andrew Dolganow ,  Jason Rusmisel

发明人： Andrew Dolganow ,  Jason Rusmisel

IPC分类号： H04L12/56

CPC分类号： H04L69/04 ,  H04L41/5003 ,  H04L41/5087 ,  H04L41/509 ,  H04L69/22 ,  H04L69/24

摘要： Various exemplary embodiments comprise a method and related device and computer-readable medium including one or more of the following: receiving an uncompressed packet sent from the source node to the destination node during a compression negotiation stage; storing information extracted from the uncompressed packet, the stored information sufficient to uniquely identify flows; receiving a compressed packet sent from the source node to the destination node; associating the compressed packet with an active flow by accessing the stored information and information in the compressed packet; performing deep packet inspection (DPI) to identify an application associated with the active flow; and performing application-specific processing on at least one packet belonging to the active flow. In various exemplary embodiments, the information extracted from the uncompressed packet includes a context identifier used to establish a compression context between a compressor and a decompressor.

摘要翻译： 各种示例性实施例包括方法和相关设备以及包括以下一个或多个的计算机可读介质：在压缩协商阶段期间接收从源节点发送到目的地节点的未压缩分组; 存储从未压缩分组提取的信息，所存储的信息足以唯一地识别流; 接收从源节点发送到目的节点的压缩包; 通过访问所存储的信息和压缩分组中的信息来将压缩分组与活动流相关联; 执行深度分组检测（DPI）以识别与主动流相关联的应用; 以及对属于所述活动流的至少一个分组执行应用特定处理。 在各种示例性实施例中，从未压缩分组提取的信息包括用于在压缩器和解压缩器之间建立压缩上下文的上下文标识符。