Patent ID: 7554992
Filing Date: 2009-06-30
Classification: H04L,H04W

Abstract:
1. A mobile device communications system which has a plurality of service providing servers, and is used for communications by a mobile terminal, comprising: a first network unit which is connected to the mobile terminal and has a plurality of input/output points to and from the service providing servers; a plurality of first communications distribution units respectively connected to the plurality of input/output points; a second network unit connected to said plurality of first communications distribution units; a third network unit connected to the plurality of service providing servers; a plurality of second communications distribution units which are connected between said second network unit and said third network unit, for distributing a series of communications between the mobile terminal and any of the plurality of service providing servers to any of the plurality of service providing servers, where a session management device assigning an identifier to a session as a series of communications between the mobile terminal and the service providing servers to manage the identifier, wherein said second communications distribution unit assigns an identifier to a user session as a series of communications in a layer higher than a layer corresponding to a session managed by said session management device in a hierarchical structure of communications, and distributes communications in the user session between the mobile terminal and the service providing servers to any of the plurality of service providing servers, and the identifier to a user session being a unique number and set as the source port number of the mobile terminal and setting the unique source port number as a source port number of a packet header.