CPC H04L 61/5007 (2022.05) [H04L 63/1416 (2013.01); H04L 2101/659 (2022.05); H04L 2463/146 (2013.01)] | 20 Claims |
1. A packet processing method, performed by a first communication apparatus, and the method comprising:
obtaining a first internet protocol version 6 (IPv6) packet, wherein a packet header of the first IPV6 packet comprises a first signature, and the first signature is for verifying whether the first IPv6 packet passes through a second communication apparatus in a forwarding process;
forwarding the first IPV6 packet;
wherein the first signature which is determined by fixed-length data in payloads of the first IPv6 packet uniquely identifies the first IPV6 packet, and is different from signatures of other IPv6 packets; and
wherein the first signature is obtained by performing hash calculation based on first content in the first IPV6 packet, and the first content comprises the fixed-length data in the payload and anti-replay attack check information.
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