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31. 发明授权

US07526571B1 IPv6 over MPLS IPv4 core 有权
标题翻译： IPv6 over MPLS IPv4内核
公开(公告)号：US07526571B1
公开(公告)日：2009-04-28
申请号：US11811515
申请日：2007-06-11
申请人： Daniel C. Tappan , Eric C. Rosen , Ole Troan , Parag Jain , Eric Levy-Abegnoli , Luc Revardel , Francois Le Faucheur
发明人： Daniel C. Tappan , Eric C. Rosen , Ole Troan , Parag Jain , Eric Levy-Abegnoli , Luc Revardel , Francois Le Faucheur
IPC分类号： G06F15/16
CPC分类号： H04L29/12358 , H04L29/12424 , H04L29/12509 , H04L29/12547 , H04L45/502 , H04L61/251 , H04L61/2535 , H04L61/2567 , H04L61/2582 , H04L69/16 , H04L69/167
摘要： IPv6 traffic may be carried through an MPLS IPv4 network without the use of IPv6-over-IPv4 tunneling. This provides great savings in overhead, signaling, and state information storage and also allows for routing through the MPLS IPv4 network to adjust in response to changes in network state. In one embodiment, an edge node of an MPLS IPv4 network resolves a destination IPv6 network of a received IPv6 packet to an MPLS label switched path. The resolution exploits received inter-domain routing information. This information identifies the IPv4 address of an egress node that is usable as a gateway to the destination network. Within the inter-domain routing information, the IPv4 address may be encoded in IPv6 format.
摘要翻译： IPv6流量可以通过MPLS IPv4网络进行，而不需要使用IPv6 over-IPv4隧道。这提供了开销，信令和状态信息存储的巨大节省，还允许通过MPLS IPv4网络进行路由以根据网络状态的变化进行调整。在一个实施例中，MPLS IPv4网络的边缘节点将接收的IPv6分组的目的IPv6网络解析为MPLS标签交换路径。该解决方案利用收到的域间路由信息。该信息标识可用作目的地网络的网关的出口节点的IPv4地址。在域间路由信息中，IPv4地址可以以IPv6格式编码。

32. 发明申请

US20080232247A1 Network traffic demotion 有权
标题翻译：网络流量降级
公开(公告)号：US20080232247A1
公开(公告)日：2008-09-25
申请号：US11725910
申请日：2007-03-19
申请人： John Evans , Francois Le Faucheur , Clarence Filsfils
发明人： John Evans , Francois Le Faucheur , Clarence Filsfils
IPC分类号： H04J3/14
CPC分类号： H04L47/2458 , H04L45/00 , H04L45/22 , H04L45/28 , H04L45/306 , H04L47/10 , H04L47/11 , H04L47/31 , H04L47/32 , H04L65/1083 , H04L69/40
摘要： A method and apparatus for demoting network traffic are disclosed. In one embodiment, a method includes transmitting traffic associated with a session over a first path, and maintaining state information identifying the first path as a forwarding path for the session. Traffic associated with the session is rerouted from the first path to a second path following a network failure and the rerouted traffic is marked so that at least a portion of the rerouted traffic can be dropped at any point in the network if rerouting causes network congestion.
摘要翻译：公开了一种用于降低网络流量的方法和装置。在一个实施例中，一种方法包括：通过第一路径发送与会话相关联的业务，以及将标识所述第一路径的状态信息保持为所述会话的转发路径。与会话相关联的流量在网络故障之后从第一路径重新路由到第二路径，并且重新路由的流量被标记，使得如果重新路由导致网络拥塞，则至少部分重新路由的流量可以在网络中的任何点丢弃。

33. 发明授权

US07243161B1 Two label stack for transport of network layer protocols over label switched networks 有权
标题翻译：用于通过标签交换网络传输网络层协议的两个标签栈
公开(公告)号：US07243161B1
公开(公告)日：2007-07-10
申请号：US10013817
申请日：2001-12-07
申请人： Daniel C. Tappan , Eric C. Rosen , Parag Jain , Eric Levy-Abegnoli , Luc Revardel , Francois Le Faucheur
发明人： Daniel C. Tappan , Eric C. Rosen , Parag Jain , Eric Levy-Abegnoli , Luc Revardel , Francois Le Faucheur
IPC分类号： G06F15/16
CPC分类号： H04L45/50 , H04L29/12358 , H04L61/251 , H04L61/2592 , H04L69/18 , H04L2212/00
摘要： IPv6 traffic may be carried through an MPLS IPv4 network without the use of IPv6-over-IPv4 tunneling. An IPv6 packet is sent through the MPLS IPv4 network through a label switched path (LSP). The IPv6 packet is encapsulated with a label stack associated with the LSP. A second level label is used in the label stack (in addition to the label associated with the LSP). This second level label provides important benefits.
摘要翻译： IPv6流量可以通过MPLS IPv4网络进行，而不需要使用IPv6 over-IPv4隧道。 IPv6报文通过MPLS IPv4网络通过标签交换路径（LSP）发送。 IPv6报文封装有与LSP关联的标签栈。在标签堆栈中使用第二级标签（除了与LSP相关联的标签之外）。这个第二级标签提供了重要的好处。

34. 发明申请

US20060215548A1 Method and system for providing voice QoS during network failure 有权
标题翻译：在网络故障期间提供语音QoS的方法和系统
公开(公告)号：US20060215548A1
公开(公告)日：2006-09-28
申请号：US11088389
申请日：2005-03-23
申请人： Francois Le Faucheur , John Evans , Alton Lo
发明人： Francois Le Faucheur , John Evans , Alton Lo
IPC分类号： H04J3/14 , H04L12/56
CPC分类号： H04L45/50 , H04L45/22 , H04L45/28 , H04L45/3065 , H04L47/10 , H04L47/11 , H04L47/2416 , H04L47/2458 , H04L47/29 , H04L47/30 , H04L47/31 , H04L47/32 , H04L47/728 , H04L47/746 , H04L47/801 , H04L47/805 , H04L47/825 , H04L2012/5631
摘要： A method and system for providing QoS in a network after a network failure are disclosed. The network includes at least one primary tunnel and at least one backup tunnel protecting a segment of the primary tunnel. The method includes receiving notification of a failure within the primary tunnel segment and rerouting received packets onto the backup tunnel. The rerouted packets are marked to identify packets affected by the failure and are subject to a different QoS policy than packets that have not been rerouted due to the failure.
摘要翻译：在网络故障之后，在网络中提供QoS的方法和系统被公开。该网络包括至少一个主隧道和至少一个保护主隧道的段的备份隧道。该方法包括接收主隧道段内的故障通知，并将收到的报文重新路由到备份隧道。重新路由的数据包被标记为识别受故障影响的数据包，并且受到与由于故障而未被重新路由的数据包不同的QoS策略。

35. 发明授权

US08812621B2 Reducing fetching load on cache servers in adaptive streaming 有权
标题翻译：减少自适应流中缓存服务器上的提取负载
公开(公告)号：US08812621B2
公开(公告)日：2014-08-19
申请号：US13099934
申请日：2011-05-03
申请人： Ali C. Begen , Mark Baugher , Francois Le Faucheur , David R. Oran
发明人： Ali C. Begen , Mark Baugher , Francois Le Faucheur , David R. Oran
IPC分类号： G06F15/16
CPC分类号： H04L67/2842 , H04L65/1069 , H04L65/1089 , H04L65/80 , H04N21/222 , H04N21/64738 , H04N21/8456
摘要： In one embodiment, a method that receives at a cache server device a request from a client device for a first representation of a content chunk; determines whether the first representation is available at the cache server device; responsive to determining that the first representation is available at the cache server device, provides the first representation to the client device; responsive to determining that the first representation is unavailable at the cache server device, determines whether a congestion-like condition is present in an upstream network; and responsive to determining that the congestion-like condition is present in the upstream network, provides a second representation of the content chunk.
摘要翻译：在一个实施例中，一种在高速缓存服务器设备处接收来自客户端设备的用于内容块的第一表示的请求的方法; 确定缓存服务器设备上的第一表示是否可用; 响应于确定所述第一表示在所述高速缓存服务器设备处可用，向所述客户端设备提供所述第一表示; 响应于确定所述第一表示在所述高速缓存服务器设备处不可用，确定上游网络中是否存在拥塞状态; 并且响应于确定所述上游网络中存在拥塞状况，提供所述内容块的第二表示。

36. 发明授权

US08391492B1 Secure resource reservation protocol (RSVP) with dynamic group keying 有权
标题翻译：具有动态组密钥的安全资源预留协议（RSVP）
公开(公告)号：US08391492B1
公开(公告)日：2013-03-05
申请号：US12215173
申请日：2008-06-25
申请人： Francois Le Faucheur , Luc Billot , Pascal Delprat , Frederick Baker , Brian E. Weis , Eric G. Vyncke
发明人： Francois Le Faucheur , Luc Billot , Pascal Delprat , Frederick Baker , Brian E. Weis , Eric G. Vyncke
IPC分类号： H04L29/06
CPC分类号： H04L47/24 , H04L63/065
摘要： In one embodiment, an apparatus associated with securing a Resource Reservation Protocol (RSVP) with dynamic group keying is provided. The apparatus may include a group key logic that interacts with a dynamic group key management logic. The dynamic group key management logic provides a group key to members of a set of RSVP-capable devices. The apparatus also includes an RSVP authentication logic to determine whether a received RSVP message was provided by a member of the set of RSVP-capable devices. The determination is made using implicit authorization that depends on the group key and that does not depend on a challenge/response protocol. In one embodiment the apparatus is a router.
摘要翻译：在一个实施例中，提供了一种与通过动态组密钥保护资源预留协议（RSVP）相关联的装置。该装置可以包括与动态组密钥管理逻辑交互的组密钥逻辑。动态组密钥管理逻辑为一组具有RSVP能力的设备的成员提供组密钥。该装置还包括RSVP认证逻辑，以确定所接收的RSVP消息是否由所述具有RSVP能力的设备的组成员提供。使用依赖于组密钥而不依赖于挑战/响应协议的隐式授权进行确定。在一个实施例中，装置是路由器。

37. 发明申请

US20120185370A1 SYSTEM AND METHOD FOR TRACKING REQUEST ACCOUNTABILITY IN MULTIPLE CONTENT DELIVERY NETWORK ENVIRONMENTS 审中-公开
标题翻译：跟踪多个内容交付网络环境中的请求责任的系统和方法
公开(公告)号：US20120185370A1
公开(公告)日：2012-07-19
申请号：US13349777
申请日：2012-01-13
申请人： Bruce S. Davie , Francois Le Faucheur
发明人： Bruce S. Davie , Francois Le Faucheur
IPC分类号： H04L9/32 , G06Q30/04 , G06F15/16
CPC分类号： G06Q30/04 , H04L63/0869 , H04L63/126
摘要： In one embodiment, a first content delivery network (CDN) receives a request for content from a client device, such as a web browser. The first CDN responds to the client device with a uniform resource indicator (URI) that indicates that a second (or downstream) CDN is to service the request. The URI is encoded with information identifying that the first (or upstream) CDN delegated servicing the request to the second CDN. The client device then requests the content from the second CDN using the received URI. The second CDN services the request and logs the URI in a delivery record. The second CDN may then aggregate delivery records that indicate a particular upstream CDN was the source of delegation and forward those delivery records to the particular upstream CDN for reimbursement for servicing content requests.
摘要翻译：在一个实施例中，第一内容递送网络（CDN）从诸如网络浏览器的客户端设备接收对内容的请求。第一个CDN使用统一的资源指示符（URI）来响应客户端设备，该资源指示符指示第二个（或下游）CDN要服务该请求。该URI使用标识向第二个CDN服务请求的第一个（或上游）CDN的信息进行编码。客户端设备然后使用接收到的URI请求来自第二CDN的内容。第二个CDN服务请求并将URI记录在传送记录中。第二个CDN可以汇总交付记录，指示特定的上游CDN是委托的来源，并将这些交付记录转发到特定的上游CDN以偿还服务内容请求。

38. 发明申请

US20100131660A1 DETERMINISTIC SESSION LOAD-BALANCING AND REDUNDANCY OF ACCESS SERVERS IN A COMPUTER NETWORK 有权
标题翻译：计算机网络中的确定性会话负载平衡和访问服务器的冗余
公开(公告)号：US20100131660A1
公开(公告)日：2010-05-27
申请号：US12323805
申请日：2008-11-26
申请人： Wojciech Dec , William Townsley , Francois Le Faucheur
发明人： Wojciech Dec , William Townsley , Francois Le Faucheur
IPC分类号： G06F15/173
CPC分类号： H04L67/1002 , H04L41/0806 , H04L67/1027 , H04L67/125
摘要： In one embodiment, for each port of an access node in an access-based computer network, one access server of a plurality of access servers is configured as a preferred access server for that port. Upon receiving a session initiation message at a particular port, the access node forwards the session initiation message to one or more of the access servers based on the configured preferred access server for the particular port.
摘要翻译：在一个实施例中，对于基于访问的计算机网络中的接入节点的每个端口，多个接入服务器中的一个接入服务器被配置为该端口的优选接入服务器。在特定端口接收到会话发起消息时，接入节点基于针对特定端口的配置的优选接入服务器将会话发起消息转发到一个或多个接入服务器。

39. 发明申请

US20080080473A1 Efficiently decoupling reservation and data forwarding of data flows in a computer network 有权
标题翻译：有效地解耦计算机网络中数据流的预留和数据转发
公开(公告)号：US20080080473A1
公开(公告)日：2008-04-03
申请号：US11542186
申请日：2006-10-03
申请人： Pascal Thubert , Eric Levy-Abegnoli , Francois Le Faucheur
发明人： Pascal Thubert , Eric Levy-Abegnoli , Francois Le Faucheur
IPC分类号： H04B7/212
CPC分类号： G06F13/4045
摘要： In one embodiment, a node (e.g., a router) performs reservations for data flows, each on a corresponding selected (reserved) path having adequate reservation availability. Also, the node forwards data from data flows, each over a corresponding selected (forwarded) path having adequate load availability, wherein forwarded paths are decoupled from reserved paths for the data flows.
摘要翻译：在一个实施例中，节点（例如，路由器）对数据流执行预留，每个在相应的所选（保留）路径上具有足够的预留可用性。此外，节点从数据流中转发数据，每个数据流都通过具有足够负载可用性的相应的所选（转发）路径，其中转发的路径与用于数据流的保留路径分离。

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