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公开(公告)号：US12113882B2
公开(公告)日：2024-10-08
申请号：US17689284
申请日：2022-03-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Yang Xia , Gang Yan , Zhibo Hu
Abstract: An IPv6 packet processing method and apparatus where a first routing device obtains an IPv6 packet, and sends the IPv6 packet to a next-hop routing device. The IPv6 packet includes an IPv6 extension header that includes preceding general indication information, where the preceding general indication information includes first information, and where the first information is used to indicate to process the IPv6 packet only on a data plane of a routing device and not to send the IPv6 packet to a CPU.
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公开(公告)号：US20240333824A1
公开(公告)日：2024-10-03
申请号：US18741047
申请日：2024-06-12
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L69/22 , H04L45/302
CPC classification number: H04L69/22 , H04L45/302
Abstract: A service processing method includes: A network device receives a packet including an option field, where the option field carries first service information and second service information, the first service information corresponds to a first service, the second service information corresponds to a second service, and the first service is different from the second service; and the network device processes the packet based on the first service information.
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公开(公告)号：US20240250906A1
公开(公告)日：2024-07-25
申请号：US18427216
申请日：2024-01-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Cheng Li , Zhenbin Li , Yang Xia , Taixu Tian
CPC classification number: H04L45/74 , H04L45/34 , H04L45/50 , H04L2212/00
Abstract: A segment routing device receives a first packet from a first network. A first packet header of the first packet includes a segment list. The segment list includes a plurality of sequentially arranged identifiers. The identifiers include a first-type identifier and a plurality of second-type identifiers. Network devices or links identified by the first-type identifier and the second-type identifier are respectively on the first network and a second network. A type of the first network is different from a type of the second network. The segment routing device encapsulates a second packet header for the first packet to form a second packet. The second packet header includes the plurality of second-type identifiers. The segment routing device sends the second packet to the second network.
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公开(公告)号：US20230115034A1
公开(公告)日：2023-04-13
申请号：US18045175
申请日：2022-10-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jingrong Xie , Yang Xia , Xuesong Geng
IPC: H04L45/00 , H04L45/741 , H04L9/32 , H04L9/08
Abstract: This application provides a packet verification method, and the method includes: A first network device receives a BIER packet, where packet header information of the BIER packet includes a first keyed-hash message authentication code HMAC, and the first HMAC is used to verify whether the BIER packet is a valid BIER packet; determines a second HMAC based on a first key and first information in the packet header information, where the first information is used to indicate forwarding information of the BIER packet; determines whether the first HMAC is the same as the second HMAC; and when determining that the first HMAC is different from the second HMAC, determines that the BIER packet is an invalid BIER packet.
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公开(公告)号：US11431615B2
公开(公告)日：2022-08-30
申请号：US17080404
申请日：2020-10-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Gang Yan , Yang Xia , Shunwan Zhuang , Guoyi Chen
Abstract: This application provides a multicast data packet processing method and a forwarding device. The method implemented by a first forwarding device includes: establishing a segment routing header SRH-based tunnel with a third forwarding device, wherein the SRH-based tunnel passes through a second forwarding device that does not support bit index explicit replication BIER; generating a first multicast data packet based on a multicast data packet from a multicast source and the SRH-based tunnel, wherein the first multicast data packet includes a first packet header, a second packet header, and the multicast data packet from the multicast source, the first packet header includes an SRH header, and a destination address included in the second packet header is an address of the second forwarding device; and sending the first multicast data packet to the second forwarding device through the SRH-based tunnel.
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Patent Agency Ranking
公开(公告)号：US20220255857A1
公开(公告)日：2022-08-11
申请号：US17731749
申请日：2022-04-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Cheng Li , Yang Xia , Zhenbin Li
IPC: H04L45/00 , H04L45/42 , H04L45/745
Abstract: A packet processing method includes receiving, by a first network node a packet from a second network node, where the packet includes one or more type-length-values (TLVs) that need to be processed by a network node and indication information indicating that a network node on a packet forwarding path needs to process at least one TLV in the one or more TLVs; determining, by the first network node based on the indication information, that the first network node needs to process a first TLV; determining, by the first network node, the first TLV; and processing, by the first network node, the first TLV.
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公开(公告)号：US20210320929A1
公开(公告)日：2021-10-14
申请号：US17227720
申请日：2021-04-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Yang Xia , Xuesong Geng
IPC: H04L29/06 , H04L12/741 , H04L12/751
Abstract: A packet detection method includes obtaining, by a first network device, a Bit Index Explicit Replication (BIER) packet, where the BIER packet includes trap information, and the trap information indicates whether the BIER packet is a valid BIER packet, determining, by the first network device, whether the trap information is valid, and determining, by the first network device, that the BIER packet is an invalid BIER packet when the first network device determines that the trap information is valid.
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公开(公告)号：US20210250288A1
公开(公告)日：2021-08-12
申请号：US17171429
申请日：2021-02-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Cheng Li , Zhenbin Li , Yang Xia , Taixu Tian
IPC: H04L12/741 , H04L12/723 , H04L12/721
Abstract: A segment routing device receives a first packet from a first network. A first packet header of the first packet includes a segment list. The segment list includes a plurality of sequentially arranged identifiers. The identifiers include a first-type identifier and a plurality of second-type identifiers. Network devices or links identified by the first-type identifier and the second-type identifier are respectively on the first network and a second network. A type of the first network is different from a type of the second network. The segment routing device encapsulates a second packet header for the first packet to form a second packet. The second packet header includes the plurality of second-type identifiers. The segment routing device sends the second packet to the second network.
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公开(公告)号：US20230091414A1
公开(公告)日：2023-03-23
申请号：US18061299
申请日：2022-12-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Shuping Peng , Yang Xia
IPC: H04L69/22
Abstract: This application provides a packet processing method, a device, and a system. The method includes a second network device receives an IPv6 packet sent by a first network device, where the IPv6 packet includes an IPv6 header and a first IPv6 extension header, and the first IPv6 extension header indicates that a network device receiving the IPv6 packet is to perform an action in the first IPv6 extension header on a data plane. The second network device performs the action in the first IPv6 extension header on the data plane of the second network device based on the IPv6 header and the first IPv6 extension header. This ensures that the network device receiving the IPv6 packet can normally forward the IPv6 packet.
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公开(公告)号：US20220217081A1
公开(公告)日：2022-07-07
申请号：US17703614
申请日：2022-03-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Cheng LI , Zhenbin Li , Yang Xia , Taixu Tian , Yaqun Xiao
IPC: H04L45/42 , H04L45/122 , H04L45/12 , H04L45/00
Abstract: A method for processing a packet on an SR network is provided, including: receiving a packet, where a packet header of the packet includes a destination address field, a first pointer, a second pointer, and a list used to process the packet, the list includes a plurality of sequentially arranged identifiers, and a value of the first pointer and a value of the second pointer jointly indicate a location of a first identifier in the plurality of identifiers in the list; determining the first identifier based on the value of the first pointer and the value of the second pointer; and copying the first identifier to the destination address field. In this method, a CL pointer is set in the packet header to jointly form a two-dimensional pointer with an SL pointer, to indicate a location of a C-SID in a SID list.
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