公开(公告)号：US20220158905A1

公开(公告)日：2022-05-19

申请号：US17665661

申请日：2022-02-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhongjian ZHANG ,  Yuanlong JIANG

IPC: H04L41/12 ,  H04L41/0816 ,  H04L41/0893

Abstract: This application discloses a method for obtaining a network slice. The method includes: receiving, by a control device, a slice request sent by a user, where the slice request includes an identifier, and the identifier is used to identify isolation information of a slice requested by the user; obtaining, by the control device, a network slice based on the identifier and a resource topology, where the resource topology is used to describe a network topology and isolation information of N elements in the network topology, the N elements include at least one of a node and a link, N is an integer greater than or equal to 1, and the network slice includes a node and a link that are required for implementing the slice.

公开(公告)号：US20170085525A1

公开(公告)日：2017-03-23

申请号：US15364007

申请日：2016-11-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Min ZHA ,  Jing HUANG ,  Zhongjian ZHANG

IPC: H04L29/12 ,  H04L12/741 ,  H04L12/721 ,  H04L12/18

CPC classification number: H04L61/2521 ,  H04L12/18 ,  H04L45/66 ,  H04L45/74 ,  H04L61/2514 ,  H04L61/2525

Abstract: A method applicable to a commonest application scenario, the method includes: an AR receives a first packet sent in a unicast manner by a CGN. The first packet includes information for indicating Restart announce, the first packet's source address is the CGN's address, and the first packet's destination address is the AR's address; AR changes the first packet's destination address to an address of a CPE connected to the AR, to obtain a second packet, where the AR and the CPE are connected by using a Layer 2 network, and the CPE's address is a multicast address; and the AR sends the second packet. The method is used for quickly informing, after the CGN restarts or undergoes an active/standby switchover, the CPE that an exception occurs, for example, the CGN restarts or undergoes an active/standby switchover, so that a CGN has relatively small load when recreating NAT mapping.

公开(公告)号：US20150139230A1

公开(公告)日：2015-05-21

申请号：US14610388

申请日：2015-01-30

Applicant: Huawei Technologies CO., LTD.

Inventor： Min ZHA ,  Jing HUANG ,  Zhongjian ZHANG

IPC: H04L12/741 ,  H04L12/18

CPC classification number: H04L61/2521 ,  H04L12/18 ,  H04L45/66 ,  H04L45/74 ,  H04L61/2514 ,  H04L61/2525

Abstract: A method applicable to a commonest application scenario, the method includes: an AR receives a first packet sent in a unicast manner by a CGN. The first packet includes information for indicating Restart announce, the first packet's source address is the CGN's address, and the first packet's destination address is the AR's address; AR changes the first packet's destination address to an address of a CPE connected to the AR, to obtain a second packet, where the AR and the CPE are connected by using a Layer 2 network, and the CPE's address is a multicast address; and the AR sends the second packet. The method is used for quickly informing, after the CGN restarts or undergoes an active/standby switchover, the CPE that an exception occurs, for example, the CGN restarts or undergoes an active/standby switchover, so that a CGN has relatively small load when recreating NAT mapping.

Abstract translation: 一种适用于最常应用场景的方法，所述方法包括：AR接收由CGN以单播方式发送的第一分组。 第一个分组包括用于指示Restart announce的信息，第一个分组的源地址是CGN的地址，第一个分组的目的地址是AR的地址; AR将第一个分组的目的地址改变为连接到AR的CPE的地址，以获得第二个分组，其中AR和CPE通过二层网络连接，CPE的地址是组播地址; AR发送第二个报文。 该方法用于在CGN重新启动或进行主备倒换之后快速通知发生异常的CPE，例如，CGN重新启动或进行主备倒换，使得CGN的负载相对较小 重新创建NAT映射。

公开(公告)号：US20140341216A1

公开(公告)日：2014-11-20

申请号：US14448020

申请日：2014-07-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD

Inventor： Zhongjian ZHANG

IPC: H04L12/56 ,  H04L29/12 ,  H04L12/733 ,  H04L12/18

CPC classification number: H04L45/741 ,  H04L12/185 ,  H04L45/122 ,  H04L45/16 ,  H04L45/52 ,  H04L61/251 ,  H04L61/2542 ,  H04L69/14

Abstract: Embodiments of the present invention relate to a method for determining a multicast path, a method for receiving a data packet, and a router. The method for determining a multicast path includes: receiving, by a multicast address translation router, a first multicast join request packet, where the first multicast join request packet is an IPv4 packet, or the first multicast join request packet is an Internet Protocol version 6 IPv6 packet and a multicast address of the first multicast join request packet is an IPv6 multicast address obtained by performing Internet Protocol version translation on an IPv4 multicast address; and determining a shorter path between a first path and a second path. The multicast address translation router may determine the shorter path between the first path and the second path, thereby implementing a method for selecting a shorter path from the paths of different network types, which improves multicast efficiency.

Abstract translation: 本发明的实施例涉及一种用于确定多播路径的方法，接收数据分组的方法和路由器。 用于确定多播路径的方法包括：由多播地址转换路由器接收第一多播加入请求分组，其中第一多播加入请求分组是IPv4分组，或者第一多播加入请求分组是因特网协议版本6 IPv6报文和第一组播加入请求报文的组播地址是通过在IPv4组播地址上进行Internet协议版本转换而获得的IPv6组播地址; 以及确定第一路径和第二路径之间的较短路径。 组播地址转换路由器可以确定第一路径和第二路径之间的较短路径，从而实现从不同网络类型的路径中选择较短路径的方法，这提高了多播效率。