This invention discloses a method for realizing virtual GGSN in enterprise acc service which establishes and virtual GGSm according to the information forward by OMC safeguarding station about establishing virtual GGSM to allocate SCP service managing system and establish and allocate G: interface to finish virtual GGSN to operate on processing service acc procedure, panning processing and service releasing to realize virtual GGSN. This invention also provides GGSN realization device including V-GGSN CP module, V-GGSN UP module, 1-GGSN CP module, 1-GGSN UP module, cc engine MUX function module to finish virtual GGSN control part protocol process and customer part management so as to realize virtual GGSN. |