Comparision of L2 and L3 VPN Based on MPLS Technology
Describes the main idea of MPLS tunnel technology, analyzes the mechanism of L2 and L3 VPN based on MPLS.Compares the characteristics which are possesd by L2 and L3 VPN, proposes that on the basis of the property and target of network design a plan may be reasonably choosed to construct the MPLS VPN needed by customers.