Packet network's Swiss Army knife

31 Aug 2010

With traffic volumes growing, operators have to carefully balance revenue and costs. For best results, each layer of the network needs to be optimized. Multi-protocol label switching (MPLS) can play a major role in achieving this – provided it is used correctly.

MPLS was created to improve packet performance in the core of the internet, but has been adapted for many other uses.

The growth of IP-based services requires end-to-end control of packet performance, so MPLS is being extended into optical packet transport networks.

The use – or not – of specific MPLS features raises issues in network design and planning.

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