Patent ID: 9590947
Date: 2017-03-07
CPC Classifications: H04L

Claim:
1. An IP management method comprising: looking up, by a client device, in a first correspondence table to determine an IP address of a server corresponding to a type of service to which the client device is to access, wherein the first correspondence table is saved by the client device and stores correspondence between IP addresses of servers and types of services in a service cluster; sending, by the client device, an access request to the server corresponding to the determined IP address, wherein the access request comprises information indicating the type of service to which the client device is to access; and receiving, by the client device, a response to the access request that includes access data fed back by the server, wherein the access data corresponds to the type of service to which the client device is to access; wherein the access request further comprises a latest update time of the first correspondence table, and the method further comprises: receiving in the response, by the client device, update data for the first correspondence table fed back by the server wherein the update data represents all of the data updated in a second correspondence table during a period from the latest update time of the first correspondence table to a current time, and the second correspondence table is saved by the server and stores correspondence between the IP addresses of the servers and the types of services in the service cluster.