Value-added services in next-generation SONET/SDH networks

Nasir Ghani, Qing Liu, Ashwin Gumaste, John Lankford, Abdallah Shami, Chadi M. Assi, Ahmad Khalil, Driss Benhaddou

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Advances in next-generation SONET/SDH have introduced novel features for generic protocol framing/encapsulation, virtual concatenation, inverse multiplexing, dynamic circuit adjustment, and so on. In turn, these provisions have enabled much improved multi-tiered service provisioning and are viewed very favorably by carriers, particularly incumbents. This article looks at this evolved framework with a particular focus on value-added services creation. Results from a sample performance evaluation study also are presented to quantify some of the achievable gains.

Original languageEnglish (US)
Pages (from-to)64-73
Number of pages10
JournalIEEE Communications Magazine
Issue number11
StatePublished - 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


  • Ethernet networks
  • Multiplexing
  • Standards
  • Storage area networks
  • Synchronous digital hierarchy
  • Time division multiplexing


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