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Policy-based Diffserv on Internet servers: the AIX approach

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3 Author(s)
Mehra, A. ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA ; Verma, D. ; Tewari, R.

The Internet infrastructure must evolve from best-effort service to meet the needs of different customers and applications. With Internet traffic differentiation, service providers can support a range of offerings, such as loss or delay bounds and network bandwidth allocation, to meet different performance requirements. The differentiated services (Diffserv) architecture provides a scalable approach, in which network access (or edge) devices aggregate traffic flows onto provisioned pipes that traverse a streamlined network core. We have identified the key requirements for provisioning Diffserv functions on Internet servers. Based on these requirements, we have implemented, and deployed, a policy-based architecture on IBM's AIX operating system that provides Diffserv services to both QoS-aware and -unaware applications

Published in:

Internet Computing, IEEE  (Volume:4 ,  Issue: 5 )