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Light Reading

Pseudowire solutions began quietly as a way to transport legacy services over operators’ Multiprotocol Label Switching (MPLS) cores. Today, however, pseudowires are proliferating and increasing in importance, despite winning the Light Reading award for the most ugly and opaque marketing term in telecom history.

So what are pseudowires all about? Are they really:

  • A true end-to-end solution for operators?
  • A key solution for convergence, beyond Layer 2 services?
  • Transforming the access network by tightly integrating it with the core?
  • Providing a platform for new services (such as Virtual Private LAN Service), and not just for the transport of legacy services?
Because "pseudowire" is a pretty new term commercially (although it has been around in the IETF for a couple of years or so) there’s quite a lot confusion over what they can be used for and what their real significance is. This Light Reading report explains the basics and shows how pseudowires are key to such applications as:

  • Metro Ethernet over MPLS
  • Multiservice access
  • MSO commercial services
  • Multiservice backhaul
  • Mobile applications
  • FTTP backhaul
Here’s a hyperlinked contents list:


This report was previewed in a Webinar moderated by Scott Clavenna, Chief Analyst, Heavy Reading. Sponsored by Axerra Networks Inc., Mangrove Systems Inc., and Overture Networks Inc., it may be viewed free of charge in our Webinar archives by clicking here.

Background Reading on Light Reading

Related Light Reading Webinar archives

Related Heavy Reading reports

— Tim Hills is a freelance telecommunications writer and journalist. He's a regular author of Light Reading reports.

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