公开(公告)号：US20210112005A1

公开(公告)日：2021-04-15

申请号：US17063667

申请日：2020-10-05

Applicant: Futurewei Technologies, Inc.

Inventor： Young LEE ,  Maarten Vissers ,  T. Benjamin Mack-Crane

IPC: H04L12/801 ,  H04L12/713 ,  H04L12/751 ,  H04L12/24

Abstract: A data center interconnection (DCI) network may comprise a data center controller (DCC) managing a plurality of data centers (DCs) interconnected by a provider network managed by a network provider controller (NPC). The provider network may be an OpenFlow based software defined networking (SDN) transport network. The DCC may initiate a virtual network service (VNS) negotiation with the NPC to connect the DCs and may specify a network abstraction granularity level. The NPC may respond by computing paths through the provider network accordingly and providing the DCC with one or more virtual networks (VNs). The DCC may compute virtual paths through the VNs and send virtual network element (VNE) connection setup commands to the DCC. The DCC may convert the VNE connection setup commands into network element (NE) commands to setup connections in NEs of the provider network. The DCC and the NPC may perform fault monitoring, detection, and recovery.

公开(公告)号：US20180270155A1

公开(公告)日：2018-09-20

申请号：US15978867

申请日：2018-05-14

Applicant: Futurewei Technologies, Inc.

Inventor： Young LEE ,  Maarten Vissers ,  T. Benjamin Mack-Crane

IPC: H04L12/801 ,  H04L12/24 ,  H04L12/751 ,  H04L12/713

CPC classification number: H04L47/10 ,  H04L41/12 ,  H04L45/02 ,  H04L45/586 ,  Y02D30/30

Abstract: A data center interconnection (DCI) network may comprise a data center controller (DCC) managing a plurality of data centers (DCs) interconnected by a provider network managed by a network provider controller (NPC). The provider network may be an OpenFlow based software defined networking (SDN) transport network. The DCC may initiate a virtual network service (VNS) negotiation with the NPC to connect the DCs and may specify a network abstraction granularity level. The NPC may respond by computing paths through the provider network accordingly and providing the DCC with one or more virtual networks (VNs). The DCC may compute virtual paths through the VNs and send virtual network element (VNE) connection setup commands to the DCC. The DCC may convert the VNE connection setup commands into network element (NE) commands to setup connections in NEs of the provider network. The DCC and the NPC may perform fault monitoring, detection, and recovery.

公开(公告)号：US20150236948A1

公开(公告)日：2015-08-20

申请号：US14624156

申请日：2015-02-17

Applicant: Futurewei Technologies, Inc.

Inventor： Linda DUNBAR ,  Young LEE ,  Shibi HUANG

IPC: H04L12/707 ,  H04L12/24

CPC classification number: H04L45/22

Abstract: When there is a change from a first service chain instance path to a second service chain instance path, the head-end node of the second service chain instance path is notified to include information that specifies the second service chain instance path in data packets to be routed on the second service chain instance path. That information is used to route those data packets until the nodes in the second service chain instance path complete installation of a new steering policy. When those nodes have installed the new steering policy, the information that specifies the second service chain instance path may no longer be included in data packets, and the steering policy is then used to route the data packets.

Abstract translation: 当从第一服务链实例路径到第二服务链实例路径的改变时，通知第二服务链实例路径的前端节点以包括在数据分组中指定第二服务链实例路径的信息 在第二个服务链实例路径上路由。 该信息用于路由这些数据分组，直到第二个服务链实例路径中的节点完成新的转向策略的安装。 当这些节点安装了新的转向策略时，指定第二个服务链实例路径的信息可能不再包含在数据包中，然后导向策略用于路由数据包。