Design And Implementation Of The Client Policy Routing Based On Tunnel Technology

Nowadays, besides a main ISP connected, the network of many schools, small units and corporations, also need to join in many different ISP. The network architecture which have more than one outlet must resolve the configuration problem of the policy routing.This paper, on the background of virtual ADSL project of xinli corporation. After studying the tunnel and PBR technique, taking the need of the school net in practice into account enough. carried through PBR in the use of client end, intelligentized the network. the principle of the technique is that the client decide whether package the data message with the tunnel and PBR technique on the network layer that based on the PBR table that the server sent. then implement the feature of policy based routing.And through the studies of WINDOWS facility drive meet, accomplish the function of database package PBR and tunnel encapsulated in WINDOWS system effectively.the design and implement of the client of the software is the main part in the paper.