MPLS VS VPN – Check Detailed Comparison

What are VPN & MPLS?

VPN and MPLS are widely used technologies for connecting across HUB and remote sites. IPSec VPN being the 1st entrant of 2, was quite a hit since it leveraged the Internet connectivity while providing security and access to central Data Center applications.

The need for improved customer experience and reliability led to invent of MPLS which further benefited by allowing overlapping customer IP subnets to communicate across the same Provider infrastructure

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In MPLS vs VPN comparison, the drawback is with VPN being overhead (bits used in encryption) and latency which is not substantial in case of MPLS.

In fact, multicast and Dynamic Routing protocol traffic traversal via IPSec tunnels requires the additional overhead of GRE tunnel creation (additional bits used for GRE header).

VPN generally works on the Internet which is cheaper than MPLS, however, using the Internet is less stable and traffic flows on best effort basis. In fact, using delay-sensitive and mission-critical media over VPN will not be a wise decision.

MPLS vs VPN

MPLS vs VPN detailed chart

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