Patent ID: 6091727
Filing Date: 2000-07-18
Classification: H04L,H04Q

Abstract:
A method for performing an origination process to control reserved semi-permanent virtual path connections in an asynchronous transfer mode virtual path switching system, comprising the steps of:(a) allowing a main module at an originating site to create a virtual path registration origination processor for performing a reserved semi-permanent virtual path registration process, upon receiving a reserved semi-permanent virtual path registration request from an operator through an operation/maintenance control module, said virtual path registration origination processor checking a system status and a reserved time, requesting said operation/maintenance control module to wait for a result of the reserved semi-permanent virtual path registration process, requesting a main module at a terminated site to perform the reserved semi-permanent virtual path registration process, if an available band amount is present in an originating subscriber link for the reserved semi-permanent virtual path registration process, receiving a result of the reserved semi-permanent virtual path registration process from a virtual path registration termination processor at said terminated site, requesting said main module at said originating site to register reserved semi-permanent virtual path setting and release timers respectively indicating a service start time and a service end time, if the received result is normal, receiving a result of the reserved semi-permanent virtual path setting/release timer registration from said main module at said originating site, storing originating site connection registration information if the received result is normal and notifying said operation/maintenance control module that the reserved semi-permanent virtual path registration process has been completed;(b) allowing said main module at said originating site to register said reserved semi-permanent virtual path setting and release timers in response to the reserved semi-permanent virtual path setting/release timer registration request from said virtual path registration origination processor;(c) allowing said main module at said originating site to create a virtual path setting origination processor for performing a reserved semi-permanent virtual path setting process, upon receiving a reserved semi-permanent virtual path setting request from said registered virtual path setting timer, said virtual path setting origination processor checking the virtual path registration information and system status, obtaining user cell monitoring information, producing forward routing information from an originating subscriber to a terminated subscriber, requesting said main module at said terminated site to perform the reserved semi-permanent virtual path setting process, receiving a result of the reserved semi-permanent virtual path setting process from a virtual path setting termination processor at said terminated site, storing the forward routing information if the received result is normal, sending header conversion information containing the forward routing information and user cell monitoring information to an originating subscriber interface module, receiving the stored result of the header conversion information from said originating subscriber interface module, requesting said operation/maintenance control module to perform the maintenance of the set semi-permanent virtual path, if the received result is normal, and notifying said operation/maintenance control module that the reserved semi-permanent virtual path setting process has been completed; and(d) allowing said main module at said originating site to create a virtual path release origination processor for performing a reserved semi-permanent virtual path release process, upon receiving a reserved semi-permanent virtual path release request from said registered virtual path release timer, said virtual path release origination processor checking information necessary to the reserved semi-permanent virtual path release process, requesting said main module at said terminated site to perform the reserved semi-permanent virtual path release process, receiving a result of the reserved semi-permanent virtual path release process from a virtual path release termination processor at said terminated site, erasing information regarding a forward connection from the originating subscriber to the terminated subscriber, requesting said originating subscriber interface module to erase the header conversion information, receiving the erased result of the header conversion information from said originating subscriber interface module, requesting said operation/maintenance control module to stop the maintenance of the released semi-permanent virtual path, if the received result is normal, and notifying said operation/maintenance control module that the reserved semi-permanent virtual path release process has been completed.