Data transmission system and method using relay server

摘要

Provided are a data transmission system and method of using a relay server. In the data transmission method using the relay server, the relay server transmits a registration result message to a client after registering the client through a registration packet when the client transmits the registration packet to the relay server. The relay server transmits registration information of the client to a location server. The location server stores client registration information according to each client.

主权项

1. A data transmission system, comprising:
a relay server; a first client configured to transmit a registration packet to the relay server; and a location server configured to store first client registration information transmitted by the relay server, the first client registration information comprising a user identification (ID) of the first client, wherein the location server is further configured to acquire an address of the relay server connected to the first client using the first client registration information, wherein the relay server transmits a registration result message to the first client after registering the first client based on the registration packet, and wherein the location server is further configured to transmit, in response to receiving the user ID of the first client from another client, the address of the relay server to said another client for data transmission from said another client to the first client.