The Differentiated Services Architecture (Diffserv) enables service providers to offer tighter, more comprehensive service-level agreements (SLAs) for IP service performance. One way it does this is by letting designers engineer IP backbone networks to assure that SLA parameters are met on a per-class basis. This review covers best practices for designing, validating, deploying, and operating Diffserv in the network backbone. It also presents new results from router-based testing that demonstrate how, with Diffserv, high-performance backbone routers can achieve tight SLA capabilities.
Index Terms:
Differentiated Services Architecture, Diffserv, service-level agreements
Citation:
Clarence Filsfils, John Evans, "Deploying Diffserv in Backbone Networks for Tight SLA Control," IEEE Internet Computing, vol. 9, no. 1, pp. 58-65, Jan./Feb. 2005, doi:10.1109/MIC.2005.12