Measurements on hybrid dedicated bandwidth connections

Nageswara S.V. Rao, William R. Wing, Qishi Wu, Nasir Ghani, Qing Liu, Tom Lehman, Chin P. Guok, Eli Dart

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


To meet the data transport demands of large-scale applications, several research and production networks now offer dedicated connections between client subnets or hosts. Such dedicated connections can be provisioned using two fundamentally different technologies: (i) SONET or Ethernet connections over switched networks; and (ii) MPLS tunnels over routed networks. Since these two options represent significantly different cost-benefit trade-offs, performance comparison between the connections provisioned using them is essential to making deployment decisions. We compare 1Gbps dedicated connections with lengths up to several thousand miles over UltraScience Net and ESnet, wherein the dedicated connections are implemented as SONET connections and MPLS tunnels, respectively. In terms of bandwidth measurements, throughput profiles, file transfer rates and message delays, both types of connections offer comparable performances. Furthermore, these performance parameters are preserved when hybrid connections are composed by concatenating SONET connections and MPLS tunnels using VLANs implemented on them.

Original languageEnglish (US)
Title of host publication2007 High-Speed Networks Workshop, HSNW
Number of pages5
StatePublished - 2007
Externally publishedYes
Event2007 High-Speed Networks Workshop, HSNW - Anchorage, AK, United States
Duration: May 11 2007May 11 2007

Publication series

Name2007 High-Speed Networks Workshop, HSNW


Other2007 High-Speed Networks Workshop, HSNW
Country/TerritoryUnited States
CityAnchorage, AK

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications


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