VPN principle based on MPLS
Guangyu Liu · Information technology newsletter · 2005
With the flourishing development of Internet, people have put forward higher demand for their application. But Internet lacks the effective flow and management of bandwidth of network, often blocks and can't give security to the service quality (QoS ), a lot of applications can't do what one wishes to present IP technology (such as audio and video ) to use. And new developing multi protocol label switching can solve this problem.