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March 21, 2007

Comments

mark seery

Hi Brough,

It was MCI that Tony worked at, but it was some time ago, over 11 years, and MPLS was not in use then. I think they may have used ATM for traffic engineering at that time.

Look forward to your note to yourself, as a quick summary, diffserv is a way of prioritizing traffic, whereas MPLS is a way of creating tunnels which can steer different traffic along different paths according to rules, and to which logical bandwidth assignments can be made and supported by scheduling policies. MPLS also provides a fast failover mechanism and has become a technology upon which VPN constructs have been built as well.

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