公开(公告)号：US12177117B2

公开(公告)日：2024-12-24

申请号：US17738345

申请日：2022-05-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongkang Zhang ,  Bosen Chu ,  Kuili Zheng

IPC: H04L45/00 ,  H04L45/74 ,  H04L45/745 ,  H04L69/22

Abstract: This application discloses a packet transmission method and device. This application provides a method for forwarding a packet to a peer end to restore an SRH. A new SID with a bypass function is extended for an End.AD SID, so that when a local proxy node fails to find the SRH from a local cache, the new SID and control information used to indicate to restore the SRH are carried in the packet whose SRH needs to be restored. The packet is transmitted to a peer proxy node by using the new SID, to indicate the peer proxy node to replace the local proxy node to restore the SRH. In this way, the SRH corresponding to the packet can be restored through the peer proxy node, and then the packet can continue to be forwarded in a network by using the SRH.

公开(公告)号：US12126533B2

公开(公告)日：2024-10-22

申请号：US17737637

申请日：2022-05-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongkang Zhang ,  Bosen Chu ,  Kuili Zheng

IPC: H04L12/28 ,  H04L45/00 ,  H04L45/02 ,  H04L45/74

CPC classification number: H04L45/742 ,  H04L45/02 ,  H04L45/34

Abstract: This application discloses a packet transmission method, a proxy node, and a storage medium, and pertains to the field of communications technologies. According to the method, a new SID with a bypass function is extended for an End.AD SID. Therefore, when receiving a packet that carries the End.AD SID, a local proxy node uses this new SID to transmit an SRH of the packet to a peer proxy node in a bypass manner, so that the peer proxy node can also obtain the SRH of the packet, and therefore the SRH of the packet can be stored in the peer proxy node. In this way, synchronization of the SRH of the packet can be implemented between the two proxy nodes that are dual-homed to a same SF node, so that the SRH of the packet is redundantly backed up.

公开(公告)号：US11811654B2

公开(公告)日：2023-11-07

申请号：US17690874

申请日：2022-03-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongkang Zhang ,  Kuili Zheng ,  Bosen Chu

IPC: H04L45/00 ,  H04L67/568 ,  H04L12/46 ,  H04L45/42 ,  H04L45/745

CPC classification number: H04L45/566 ,  H04L12/4633 ,  H04L45/42 ,  H04L45/745 ,  H04L67/568

Abstract: A packet processing method and apparatus, related to the communication field are provided. The method includes: re-encapsulating a first packet from a first device to obtain a second packet, where the first packet includes first identification information and first service function chain (SFC) header encapsulation information, the second packet includes first index information and the first identification information and does not include the first SFC header encapsulation information, and the first index information is associated with the first SFC header encapsulation information and the first identification information; and sending the second packet to the second device based on the first SFC header encapsulation information. This can avoid impact on packet transmission after the second device modifies the identification information.