HP Intelligent Management Center Licenses - Manual (Page 31)

3 MPLS Manager
The MPLS manager focuses on basic concepts, principals and applications of VPN, MPLS, and
BGP/MPLS VPN.
MPLS Overview
•
VPN Overview
Basic Concepts of VPN ◦
◦ Classification of VPN
•
MPLS Overview
Basic Concepts of MPLS ◦
◦ MPLS Forwarding
◦ MPLS Applications
•
Introduction to BGP/MPLS VPN
Basic Concepts of BGP/MPLS VPN ◦
◦ BGP/MPLS VPN Packet Forwarding
◦ Applications of BGP/MPLS VPN
Basic Concepts
Along with the increasingly wide application of the Internet, enterprise branches need to
communicate between them and with their clients. Similar to traditional LANs, these stations need
to communicate over LANs and be isolated from other enterprise networks at the same time. In this
case, some enterprises use dedicated private lines. However, dedicated private lines are of high
cost and on the other hand, mobile office cannot be implemented. In this situation, VPN has
attracted more and more enterprises with its advantages, providing a new operation mode for
carriers.
Virtual Private Network (VPN) constructs private networks on public networks, providing secure
and reliable communications like private networks. VPN uses specific tunneling protocols to transmit
VPN packets over different tunnels.
For carriers, they can make fully use of the available network resources to increase services by
providing VPN services to enterprises. As is known to all, data traffic for VPN users is much more
larger than that for other users, and they occur at different time. Large traffic for VPN users occurs
at working hours, while that for other users occurs at non-working hours. With VPN implemented,
resource utilization and services will be increased a lot. Carriers can also provide committed
bandwidth and delay with the QoS service provided by VPN to enterprises, thus increasing reliability
of their services.
For enterprises, they can select different service levels as needed, therefore getting the services
they need and reducing their networking cost at the same time. In addition, the scalability of VPN
provides well support and convenience for mobile office. VPN allows enterprises to connect with
remote offices, staff traveling on business and business partners at a low cost, while improving
utility of network resources.
Classification of VPN
VPN can be classified based on different aspects:
MPLS Overview 31