VPN Intranet Over the Internet: Understanding Multiprotocol Label Switching

Source: svjn / HP - Posted by Anthony Pell

It's easy to set up a Virtual Private Network (VPN) for individuals. Trying to set up private networks over the public Internet for branch offices --– that’s harder. To make VPNs work across multiple offices, you need to scale at an entirely different level to handle the traffic. That's where Multiprotocol Label Switching (MPLS) comes in. The techie details, first. As Cisco describes it:

“MPLS can be integrated seamlessly over almost any existing infrastructure, such as IP, frame relay, ATM, or Ethernet. Subscribers with differing access links can be aggregated on an MPLS edge without changing their current environments, as MPLS is independent of access technologies.”

Read this full article at svjn / HP

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