公开(公告)号：US09705705B2

公开(公告)日：2017-07-11

申请号：US14647425

申请日：2013-08-06

Applicant: ZTE CORPORATION

Inventor： Min Xiao

IPC: H04L12/58 ,  H04L12/46 ,  H04L12/701 ,  H04L12/24 ,  H04L12/709

CPC classification number: H04L12/4658 ,  H04L12/4625 ,  H04L12/4633 ,  H04L12/4641 ,  H04L12/465 ,  H04L41/0803 ,  H04L45/00 ,  H04L45/245 ,  Y02D50/30

Abstract: Provided are a method and an apparatus for accessing a shortest path bridging network in a multi-homing manner. The method comprises: receiving an LSP message flooded by an edge node containing an inter-node LAG port in the network, wherein the LSP message carries a B-MAC, a Base VID, and a Portal System Number of the edge node; generating, according to the Base VID and the Portal System Number, a B-VID corresponding to the edge node; and establishing a forwarding table according to the B-MAC and the B-VID; the edge node containing the inter-node LAG port in the network acquiring the B-MAC, the Base VID, and the Portal System Number of the edge node; generating, according to the Base VID and the Portal System Number, the B-VID corresponding to the edge node; and establishing, according to the B-MAC and the B-VID, a mapping table for PBB encapsulation and decapsulation. The disclosure solves the technical problem in the related art that the implementation of the method for accessing a shortest path bridging network in a multi-homing manner is excessively complicated, thereby achieving the technical effect of implementing access to the shortest path bridging network in a multi-homing manner without changing the existing protocol message.

公开(公告)号：US20150172126A1

公开(公告)日：2015-06-18

申请号：US14417125

申请日：2013-06-06

Applicant: ZTE Corporation

Inventor： Min Xiao ,  Azhong Wang

IPC: H04L12/24 ,  H04L12/709 ,  H04L12/46 ,  H04L29/12

CPC classification number: H04L41/0893 ,  H04L12/4625 ,  H04L12/4679 ,  H04L45/245 ,  H04L61/2038 ,  Y02D50/30

Abstract: Provided are a logical channel establishing method and system, an edge virtual bridging (EVB) station, and a bridge. The method includes: an EVB station respectively sending a first CDCP message to a first EVB bridge and a second EVB bridge, both of which belong to a same LAG portal, to request for SVIDs corresponding to required logical S-channels, wherein the EVB station requests the first EVB bridge for SVIDs of a part of logical S-channels in the required logical S-channels, and the EVB station requests the second EVB bridge for SVIDs of the rest part of logical S-channels in the required logical S-channels; the EVB station respectively obtaining the SVIDs allocated by the first EVB bridge and the second EVB bridge according to the first CDCP message; and the EVB station configuring the allocated SVIDs to the corresponding logical S-channels, and respectively sending a second CDCP message to the first EVB bridge and the second EVB bridge, to respectively inform the first EVB bridge and the second EVB bridge of all SVIDs configured by the EVB station for the required logical S-channels.

Abstract translation: 提供了一种逻辑信道建立方法和系统，边缘虚拟桥接（EVB）站和桥。 该方法包括：EVB站分别向属于相同LAG门户的第一EVB网桥和第二EVB桥接器发送第一CDCP消息，以请求对应于所需逻辑S信道的SVID，其中EVB站 请求第一个EVB桥接器用于所需逻辑S信道中的逻辑S信道的一部分的SVID，并且EVB站请求第二EVB网桥用于所需逻辑S信道中逻辑S信道的其余部分的SVID ; 所述EVB站根据所述第一CDCP消息分别获得由所述第一EVB桥和所述第二EVB桥分配的SVID; 以及将所分配的SVID配置到对应的逻辑S信道，并分别向第一EVB桥和第二EVB桥发送第二CDCP消息的EVB站，分别通知配置的所有SVID的第一EVB桥和第二EVB桥 由EVB站为所需的逻辑S通道。

公开(公告)号：US11509561B2

公开(公告)日：2022-11-22

申请号：US17152062

申请日：2021-01-19

Applicant: ZTE Corporation

Inventor： Gregory Mirsky ,  Min Xiao

IPC: H04L43/10 ,  H04L43/0829 ,  H04L43/0852

Abstract: Techniques are described for generating and using an extended Bi-directional Forwarding Detection (BFD) control packet in a network. The extended BFD control packet includes a control message that includes a BFD session information, an identifier associated with the device sending the BFD control packet, and a payload part. The extended BFD control packet may be used to perform packet loss and/or packet delay related measurements.

公开(公告)号：US10554570B2

公开(公告)日：2020-02-04

申请号：US14909199

申请日：2014-04-15

Applicant: ZTE Corporation

Inventor： Min Xiao ,  Bo Wu ,  Junhui Zhang

IPC: H04L12/863 ,  H04L12/721 ,  H04L12/741 ,  H04L12/851

Abstract: Provided are a method and device for implementing QoS in an OpenFlow network. The method includes that: for a packet entering an OpenFlow switch, when a flow table is successfully matched, an instruction which is used for calling a scheduler and adding the packet into a specified queue in the scheduler is executed; and under the triggering of the instruction, queue scheduling is managed by using the scheduler. By using the technical means provided by the disclosure, the technical problem in related art that the OpenFlow switch cannot implement Hierarchical QoS (HQoS) is solved, so that the OpenFlow switch may implement both single-layer QoS and HQoS.

公开(公告)号：US20170070424A1

公开(公告)日：2017-03-09

申请号：US15120388

申请日：2014-07-22

Applicant: ZTE Corporation

Inventor： Min Xiao ,  Liang Fan ,  Ran Chen

IPC: H04L12/721 ,  H04L12/755

Abstract: Provided are a method and device for processing a Graceful Restart (GR) of an OpenFlow switch, and an OpenFlow controller. The method includes that: the OpenFlow switch is determined being in a GR state; and the state of the OpenFlow switch is marked as the GR state, wherein marking the state as the GR state includes: keeping a flow table and external connection of the OpenFlow switch before GR still valid, and prohibiting the flow table from being modified. Through the present disclosure, the problem in the related art that GR of an OpenFlow switch cannot be achieved is solved, thereby achieving the effect of effectively implementing the GR of the OpenFlow switch.

Abstract translation: 提供了一种用于处理OpenFlow交换机的平滑重启（GR）和OpenFlow控制器的方法和设备。 该方法包括：OpenFlow开关被确定为GR状态; OpenFlow交换机的状态被标记为GR状态，其中将状态标记为GR状态包括：在GR仍然有效之前保持OpenFlow交换机的流表和外部连接，并禁止修改流表。 通过本公开，解决了现有技术中无法实现OpenFlow交换机的GR的问题，从而实现了有效实现OpenFlow交换机的GR的效果。

公开(公告)号：US12101251B2

公开(公告)日：2024-09-24

申请号：US17798632

申请日：2020-12-02

Applicant: ZTE Corporation

Inventor： Min Xiao

IPC: H04L45/00 ,  H04L41/0604 ,  H04L45/42

CPC classification number: H04L45/566 ,  H04L41/0627 ,  H04L45/42

Abstract: Provided are a method and an apparatus for switching a length of a Bidirectional Forwarding Detection (BFD) packet, and a storage medium. The method includes: in a case where a length of a current BFD packet needs to be switched to a preset length, sending a pre-switching packet independent of the current BFD packet to a second node, wherein a BFD session running in an asynchronous mode is established between a first node and the second node, and the pre-switching packet is used for notifying the second node that the length of the current BFD packet needs to be switched to the preset length; and in a case where an echo packet fed back by the second node in response to the pre-switching packet is received, performing an operation of switching the length of the current BFD packet.

公开(公告)号：US11050664B2

公开(公告)日：2021-06-29

申请号：US16604996

申请日：2018-04-13

Applicant: ZTE CORPORATION

Inventor： Ran Chen ,  Min Xiao

IPC: H04L12/723 ,  H04L12/24 ,  H04L12/725 ,  H04L12/741

Abstract: An encapsulation method, an encapsulation device and an encapsulation node are disclosed. The encapsulation method includes: embedding, at an encapsulation node in an in-situ operation administration and maintenance, IOAM, domain, IOAM information in a segment routing multi-protocol label switching, SR MPLS, header. The IOAM information includes: an IOAM header and an IOAM payload. The IOAM header includes a MPLS label value assigned by internet assigned numbers authority, IANA; and the IOAM header further includes at least one of: a value identifying whether the IOAM header is at a bottom of a stack, a packet priority field, and an encoded time-to-live value.

公开(公告)号：US10374899B2

公开(公告)日：2019-08-06

申请号：US15552497

申请日：2016-03-28

Applicant: ZTE CORPORATION

Inventor： Min Xiao ,  Yu Wang ,  Junhui Zhang ,  Bo Wu

IPC: H04L12/24 ,  H04L29/08 ,  H04L12/46 ,  H04L12/851 ,  H04L29/06

Abstract: A method and apparatus for reporting a feature of an OpenFlow switch are provided. The method includes: when the OpenFlow switch learns that an OpenFlow controller needs to query for port information, reporting port group identifiers of port groups, to which each port of the OpenFlow switch or each port to be queried by the OpenFlow controller belongs, to the OpenFlow controller, herein the port groups are obtained by grouping ports with different features in the OpenFlow switch based on one or more feature types, and each of the port groups has a port group identifier.

公开(公告)号：US09467340B2

公开(公告)日：2016-10-11

申请号：US14417125

申请日：2013-06-06

Applicant: ZTE Corporation

Inventor： Min Xiao ,  Azhong Wang

IPC: H04L12/24 ,  H04L12/46 ,  H04L12/709 ,  H04L29/12

CPC classification number: H04L41/0893 ,  H04L12/4625 ,  H04L12/4679 ,  H04L45/245 ,  H04L61/2038 ,  Y02D50/30

Abstract: Provided are a logical channel establishing method and system, an edge virtual bridging (EVB) station, and a bridge. The method includes: an EVB station respectively sending a first CDCP message to a first EVB bridge and a second EVB bridge, both of which belong to a same LAG portal, to request for SVIDs corresponding to required logical S-channels, wherein the EVB station requests the first EVB bridge for SVIDs of a part of logical S-channels in the required logical S-channels, and the EVB station requests the second EVB bridge for SVIDs of the rest part of logical S-channels in the required logical S-channels; the EVB station respectively obtaining the SVIDs allocated by the first EVB bridge and the second EVB bridge according to the first CDCP message; and the EVB station configuring the allocated SVIDs to the corresponding logical S-channels, and respectively sending a second CDCP message to the first EVB bridge and the second EVB bridge, to respectively inform the first EVB bridge and the second EVB bridge of all SVIDs configured by the EVB station for the required logical S-channels.

Abstract translation: 提供了一种逻辑信道建立方法和系统，边缘虚拟桥接（EVB）站和桥。 该方法包括：EVB站分别向属于相同LAG门户的第一EVB网桥和第二EVB桥接器发送第一CDCP消息，以请求对应于所需逻辑S信道的SVID，其中EVB站 请求第一个EVB桥接器用于所需逻辑S信道中的逻辑S信道的一部分的SVID，并且EVB站请求第二EVB网桥用于所需逻辑S信道中逻辑S信道的其余部分的SVID ; 所述EVB站根据所述第一CDCP消息分别获得由所述第一EVB桥和所述第二EVB桥分配的SVID; 以及将所分配的SVID配置到对应的逻辑S信道，并分别向第一EVB桥和第二EVB桥发送第二CDCP消息的EVB站，分别通知配置的所有SVID的第一EVB桥和第二EVB桥 由EVB站为所需的逻辑S通道。

公开(公告)号：US12120008B2

公开(公告)日：2024-10-15

申请号：US17913275

申请日：2020-12-24

Applicant: ZTE CORPORATION

Inventor： Quan Xiong ,  Zheng Zhang ,  Min Xiao ,  Jun Guo

IPC: H04L43/067 ,  H04L43/0817

CPC classification number: H04L43/067 ,  H04L43/0817

Abstract: Provided are a performance measurement method and apparatus, a device, and a storage medium. The method includes: creating a Bit Index Explicit Replication (BIER) flow; encapsulating a BIER flow measurement packet according to a performance measurement requirement of the BIER flow, where the BIER flow measurement packet carries BIER flow identification information; and sending the BIER flow measurement packet to a second communication node.