Patent ID: 11929913
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 14:
15. The apparatus according to claim 14, wherein in response to the first packet being the PTB packet, the entry associated with the first packet is a path maximum transmission unit (PMTU) entry, wherein content of the PTB packet comprises a source address and the destination address of the data packet, and a maximum transmission unit (MTU) value of a routing device; and
wherein the operations further comprises:
in response to the source address and the destination address of the data packet being an address pair of the service supported by the apparatus, determining whether the blank entry exists in the first area; and
in response to the blank entry existing in the first area, creating a first entry for the PTB packet in the blank entry; or in response to the blank entry not existing in the first area, creating a first entry for the PTB packet in the second area, wherein the first entry is the PMTU entry.