| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce messages to be processed by a load balancing server in the case of performing load balancing of SIP message communication by preparing a plurality of SIP servers. <P>SOLUTION: An SIP load balancing server 1 has a load balancing management means 25 for determining a responding SIP server when the previous transmitting origin of a received request message is a terminal in the own-domain and a redirect function 23 for informing the terminal in the own-domain which transmits the request message of an address of the responding SIP server. In addition, the SIP load balancing server 1 has a load balancing management table 25 for retrieving the SIP server responding to communication of the terminal in the own-domain which is a destination terminal when the previous transmitting origin of the request message is other than the terminal in the own-domain and a stateless proxy function 24 for performing stateless relay of the received request message to the solved SIP server. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
