Multi-carrier MPLS For The Enterprise

Golding, Daniel
October 2005
Business Communications Review;Oct2005, Vol. 35 Issue 10, p20
Trade Publication
The article discusses different techniques for interconnecting multi-carrier MPLS VPN services. Enterprises stand to benefit the most from Interprovider MPLS. Like the MPLS peering services offered by the VNOs, Interprovider MPLS services would give enterprise customers a single service provider to deal with, a greatly expanded footprint, and relatively seamless transitions between networks. WAN allows a significant degree of redundancy, decreasing the likelihood that a single carrier's routing problems will result in widespread enterprise network outages. Meanwhile, enterprise customers are forging ahead with their own solutions, or are outsourcing their MPLS VPNs to VNOs that are happy to make the necessary connections. Interconnecting MPLS networks requires subject matter expertise and significant capital expenditures. Network professionals must understand MPLS internals, vendor-specific switch/router implementations and carrier-specific COS markings. Additionally, the enterprise must be willing to build MEPs at points where carrier MPLS networks come together.


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