Patent ID: 9654569
Date: 2017-05-16
CPC Classifications: H04L

Claim:
1. A method of communication in an internal network system on a local area network, the internal network system comprising a router and a host, the method comprising: the host utilizing a web browser thereof to communicate with a predetermined server located on the Internet through the router to obtain a window box from the predetermined server; the host utilizing a cross site Asynchronous JavaScript and Extensible Markup Language to broadcast a query on the internal network system after the host obtains the window box, wherein the query comprises information of a hostname; the host utilizing the window box to find a first slave after the first slave responds to the query through the window box according to the hostname, wherein the first slave exists in the internal network system, the first slave has the hostname, the host utilizes the window box to establish communication with the predetermined server and the first slave, and the first slave is an electronic apparatus; and the host setting the first slave to be a search agent after the host finds the first slave, wherein the first slave broadcasts a search request on the internal network system to find other slaves existing in the internal network system after the host sets the first slave to be the search agent, wherein the IP addresses of the other slaves are unknown to the host before the first slave broadcasts the search request.