Patent ID: 11863439
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The method according to claim 8, wherein the determining, based on the first multi-client access service set and according to the flow table, the service that is accessed by a plurality of clients and whose IP address and port belong to different sides comprises:
determining an IP address and a port that are in a same flow entry in the flow table and that belong to the different sides as one reference service, to obtain a plurality of reference services;
determining, for each of the plurality of reference services, whether the reference service corresponds to the plurality of data flows;
if the reference service corresponds to the plurality of data flows, determining whether a port of the reference service is randomly generated;
if the port of the reference service is not randomly generated, determining whether the port of the reference service is comprised in the first multi-client access service set;
if the port of the reference service is not comprised in the first multi-client access service set, determining whether an IP address of the reference service is comprised in the source IP addresses in the domain name table; and
if the IP address of the reference service is not comprised in the source IP addresses in the domain name table, determine that the reference service is the service that is accessed by the plurality of clients and whose IP address and port belong to different sides.