Yankee Group: Mobile Backhaul: Out of Sync?

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Mobile Backhaul: Out of Sync?

Consumers Consider Axing the Coax

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Mobile Backhaul: Out of Sync?

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Description

Saying Goodbye to the Synchronous Safety Net

Service providers are looking to Ethernet to provide them with the operational efficiencies and cost advantages they need to deal with the onslaught of mobile data traffic and sluggish ARPU. However, few have been willing to put their voice eggs in the Ethernet basket (just ask the Ether-bunny). Yankee Group research shows that over 90 percent of the voice traffic of mobile network operators (MNOs) runs over a TDM or SONET/Synchronous Data Hierarchy (SDH) network architecture. MNOs know they cannot afford to run a TDM voice network in parallel with their data network forever, nor can they continue to absorb the capex and opex of a SONET/SDH network. What must change in order to convince them that Ethernet as a backhaul infrastructure can support all of their mobile traffic, including voice and video?

Yankee Group identifies three key technical attributes of today’s TDM and SONET/SDH networks that Ethernet must assume before MNOs will be willing to trust it as their voice/data/video convergence solution. Ethernet is well on its way toward achieving two of these attributes, but a third hurdle remains.

End-to-End Management, Provisioning and Reporting

“End-to-end” is the tough part here—i.e., not hop-to-hop or node-to-node or network ingress to network egress. ITU-T recommendation Y.1731, MPLS, MPLS-TP, PBB-TE and vendor-specific solutions put us 70 percent down the road, as an industry, toward reaching this goal.

Keywords

Backhaul, mobile, MNO, snyc, TDM, ethernet

Pages
Publish Date & Author(s)

by Jennifer Pigg, Vice President
5 pages
February 2010