公开(公告)号：WO2008019190B1

公开(公告)日：2008-08-14

申请号：PCT/US2007070915

申请日：2007-06-11

Applicant: NORTEL NETWORKS LTD ,  OULD-BRAHIM HAMID

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/28

CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L45/00 ,  H04L45/50

Abstract: Described are communications network, a network element, and a method for transporting any type of multi-protocol label switching (MPLS) application over an Ethernet switch path (ESP). A network element connected to a packet-switched network comprises a service processor receiving a packet associated with an MPLS application of any type. An encapsulator encapsulates the packet within an Ethernet frame for transport over an ESP established between the network element and a second network element at a remote end of the packet-switched network. The Ethernet frame includes an Ethertype field with an Ethertype value signifying that the Ethernet frame is carrying an MPLS packet. In one embodiment, the Ethertype value is equal to 8847.

Abstract translation: 描述了通过网络，网络元件和用于通过以太网交换机路径（ESP）传送任何类型的多协议标签交换（MPLS）应用的方法。 连接到分组交换网络的网络元件包括接收与任何类型的MPLS应用相关联的分组的服务处理器。 封装器将分组封装在以太网帧内，用于通过网络元件与分组交换网络的远端处的第二网络元件之间建立的ESP进行传输。 以太网帧包括具有以太网类型值的以太网类型字段，表示以太网帧承载MPLS数据包。 在一个实施例中，以太类型值等于8847。

公开(公告)号：WO2004025904A3

公开(公告)日：2004-05-21

申请号：PCT/CA0301379

申请日：2003-09-09

Applicant: NORTEL NETWORKS LTD

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/46 ,  H04L12/56 ,  H04L29/08 ,  H04L29/06

CPC classification number: H04L69/324 ,  H04L12/4633 ,  H04L12/4675 ,  H04L47/15 ,  H04L47/70 ,  H04L47/781 ,  H04L47/822 ,  H04L47/825

Abstract: A generalized Layer-2 virtual private network arrangement and method is disclosed for layer-2 and/or layer-1 VPNs. The generalized Layer-2 VPN includes mechanisms which provide simplified provisioning and a degree of customer autonomy regarding establishing pseudo-wire connections without the assistance of the service provider across the service provider's network. The generalized Layer-2 VPN is particularly useful for overcoming the need for customers to be restricted to a particular transport or technology used within the provider network.

Abstract translation: 针对第2层和/或第1层VPN公开了通用化的第2层虚拟专用网络布置和方法。 广义的第2层VPN包括提供简化的配置和一定程度的客户自主性的机制，而不需要服务提供商网络上的服务提供商的协助来建立伪线连接。 广义的第2层VPN对于克服客户限制在提供商网络内使用的特定传输或技术的需求特别有用。

公开(公告)号：WO03105521A2

公开(公告)日：2003-12-18

申请号：PCT/CA0300638

申请日：2003-04-30

Applicant: NORTEL NETWORKS LTD

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/56 ,  H04Q11/00

CPC classification number: H04Q11/0062 ,  H04L2012/5621 ,  H04Q11/0071 ,  H04Q2011/0077 ,  H04Q2011/0086

Abstract: A technique for implementing a virtual private optical switched transport network using virtual private optical cross-connect technology is disclosed. In one particular exemplary embodiment, the technique may be realized by a method comprising the steps of partitioning a network into a plurality of partitions; assigning each partition to a customer; and exclusively controlling the partition assigned to each customer for establishing a private switched network by allowing each customer to exclusively control each respectively assigned partition, wherein each partition comprises at least one virtual private optical cross connect for virtualizing at least one resource.

Abstract translation: 公开了一种使用虚拟专用光交叉连接技术实现虚拟专用光交换传输网络的技术。 在一个特定示例性实施例中，该技术可以通过包括以下步骤的方法来实现：将网络划分成多个分区; 将每个分区分配给客户; 并且通过允许每个客户独占地控制每个分配的分区来专门地控制分配给每个客户的分区以建立专用交换网络，其中每个分区包括用于虚拟化至少一个资源的至少一个虚拟专用光交叉连接。

公开(公告)号：WO2008089305A3

公开(公告)日：2008-09-04

申请号：PCT/US2008051267

申请日：2008-01-17

Applicant: NORTEL NETWORKS LTD ,  OULD-BRAHIM HAMID

Inventor： OULD-BRAHIM HAMID

IPC: G06F15/16

CPC classification number: H04L45/66 ,  H04L12/4625 ,  H04L12/4633 ,  H04L12/4662 ,  H04L45/02

Abstract: Described are a network, network device, and method for a method of distributing routing information for a virtual private network (VPN) application through a packet-switched network (PSN) having fully meshed provider edge (PE) routers through Provider Backbone Bridge (PBB) tunnels. Each PE router is configured to support at least one VPN and to run a BGP (Border Gateway Protocol) as an auto-discovery process for finding one or more other PE routers attached to the same VPN. A given VPN is associated with a PBB tunnel. A service instance identifier (I-SID), as defined in IEEE 802.1ah, is assigned to the VPN. Each PE router advertises membership in the VPN by including the I-SID assigned to the VPN in a BGP message issued during the auto-discovery process.

Abstract translation: 描述了一种网络，网络设备和方法，用于通过具有完全网状提供商边缘（PE）路由器的分组交换网络（PSN）通过提供商骨干桥（PBB）分配用于虚拟专用网络（VPN）应用的路由信息​​的方法 ）隧道。 每个PE路由器配置为支持至少一个VPN，并运行BGP（边界网关协议）作为自动发现过程，用于查找连接到同一VPN的一个或多个其他PE路由器。 给定的VPN与PBB隧道相关联。 如IEEE 802.1ah中定义的服务实例标识符（I-SID）被分配给VPN。 每个PE路由器通过在自动发现过程中发布的BGP消息中包含分配给VPN的I-SID来通告VPN中的成员身份。

公开(公告)号：WO2008019190A3

公开(公告)日：2008-06-19

申请号：PCT/US2007070915

申请日：2007-06-11

Applicant: NORTEL NETWORKS LTD ,  OULD-BRAHIM HAMID

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/28

CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L45/00 ,  H04L45/50

Abstract: Described are communications network, a network element, and a method for transporting any type of multi-protocol label switching (MPLS) application over an Ethernet switch path (ESP). A network element connected to a packet-switched network comprises a service processor receiving a packet associated with an MPLS application of any type. An encapsulator encapsulates the packet within an Ethernet frame for transport over an ESP established between the network element and a second network element at a remote end of the packet-switched network. The Ethernet frame includes an Ethertype field with an Ethertype value signifying that the Ethernet frame is carrying an MPLS packet. In one embodiment, the Ethertype value is equal to 8847.

Abstract translation: 描述了通信网络，网络元件以及用于通过以太网交换路径（ESP）传输任何类型的多协议标签交换（MPLS）应用的方法。 连接到分组交换网络的网络单元包括接收与任何类型的MPLS应用相关联的分组的服务处理器。 封装器将分组封装在以太网帧内以便通过在网络元件与分组交换网络的远端处的第二网络元件之间建立的ESP传输。 以太网帧包括Ethertype字段，其中Ethertype值表示以太网帧携带MPLS数据包。 在一个实施例中，Ethertype值等于8847。

公开(公告)号：WO2004023838A3

公开(公告)日：2004-05-06

申请号：PCT/CA0301381

申请日：2003-09-09

Applicant: NORTEL NETWORKS LTD

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/46 ,  H04L12/56

CPC classification number: H04L12/4675 ,  H04L12/4641 ,  H04L45/10 ,  H04L45/50

Abstract: A Layer-2 virtual private network arrangement and method is disclosed for switched virtual circuits. The switched virtual circuit Layer-2 VPN includes logical ports of two types, customer (304) and provider (302), and port information tables to relate both types which provides simplified provisioning and a degree of customer autonomy regarding establishing virtual connections without the assistance of the service provider across the service provider's network. The switched virtual circuit Layer-2 VPN is particularly useful for overcoming the need for customers to store and manipulate provider addresses with respect to closed user groups as is done in existing Layer-2 VPNs known in the art.

Abstract translation: 对于交换虚拟电路公开了第2层虚拟专用网络布置和方法。 交换虚拟电路Layer-2 VPN包括两种类型的逻辑端口，即客户（304）和提供商（302），以及端口信息表，用于将两种类型相关联，这两种类型提供简化的供应和一定程度的客户自主性，用于建立虚拟连接而无需协助 的服务提供商的服务提供商的网络。 交换的虚拟电路第2层VPN对于克服客户需要存储和操纵关于封闭用户组的提供商地址的需要特别有用，如在本领域已知的现有的第2层VPN中所完成的那样。

公开(公告)号：WO2004023733A3

公开(公告)日：2004-04-29

申请号：PCT/CA0301380

申请日：2003-09-09

Applicant: NORTEL NETWORKS LTD

Inventor： OULD-BRAHIM HAMID

IPC: H04L12/46

CPC classification number: H04L12/4675

Abstract: A Layer-2.5 virtual private network arrangement and method is disclosed for switched Layer2VPN combined with a subset of Layer-3VPNs. The switched virtual circuit Layer-2 VPN includes logical ports of two types, customer and provider, and port information tables, and uses Layer-3 mechanisms to distribute customer routes. This provides simplified provisioning and a degree of customer autonomy regarding establishing of virtual connections without the assistance of the service provider across the service provider's network while allowing the provider to distribute customer reachability information. The switched virtual circuit Layer-2.5VPN using Layer-3 mechanisms is particularly useful for customers who are not comfortable with a full Layer-3 VPN IP datapath due to special security concerns or a desire for Layer-2 QoS with benefits of an IP-VPN service.

Abstract translation: 对于与Layer-3VPN的子集组合的交换Layer2VPN，公开了一种2.5层虚拟专用网络布置和方法。 交换虚电路二层VPN包括两种类型的逻辑端口，客户端和提供端口以及端口信息表，并使用三层机制来分配客户路由。 这提供了在服务提供商的网络上的服务提供商的帮助下建立虚拟连接的简化配置和一定程度的客户自主性，同时允许提供商分发客户可达性信息。 使用第3层机制的交换虚拟电路Layer-2.5VPN由于特殊的安全考虑或者对二层QoS的需求，对于不满足完整的第3层VPN IP数据路由的客户特别有用，因为IP- VPN服务。