METHOD FOR SETTING EXPANSION LABEL SWITCHED PATH IN MULTI-PROTOCOL LABEL SWITCHING SYSTEM THAT INCLUDES INTERNET PROTOCOL PACKET FORWARDING ENGINES

摘要

PURPOSE: A method for setting an expansion label switched path in a multi-protocol label switching system that includes Internet protocol packet forwarding engines is provided to set a label switch path and the expansion label switched path in a switching center. CONSTITUTION: The expansion label switched path generated in each Internet protocol packet forwarding engine is connected to multi-protocol label switching areas(LC-ATM_1 - LC-ATM_n) in one of label switched switching centers. The expansion label switched path, which is connected to the multi-protocol label switching areas(LC-ATM_1 - LC-ATM_n) in a certain label switched switching center, is connected a label switched path that is coupled with the certain label switched switching center.