Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
IEEE Communications Surveys & Tutorials
On the building blocks of quality of service in heterogeneous IP networks
IEEE Communications Surveys & Tutorials
The complementary roles of RSVP and differentiated services in the full-service QoS network
IEEE Communications Magazine
AQUILA: adaptive resource control for QoS using an IP-based layered architecture
IEEE Communications Magazine
IP-based access networks for broadband multimedia services
IEEE Communications Magazine
Quality of service terminology in IP networks
IEEE Communications Magazine
QoS control by means of COPS to support SIP-based applications
IEEE Network: The Magazine of Global Internetworking
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In this paper, we propose several candidate models to support DiffServ QoS for multimedia applications in broadband access network environments, and discuss about smooth migration path from current best-effort access networks to DiffServ-enabled ones. Since broadband access networks are already widely deployed in the world, there are several important consideration factors when supporting DiffServ in broadband access networks. They are backward compatibility with DiffServ-unaware legacy systems, consistency with existing pricing infrastructure, effective QoS support for various applications, and so on. The DiffServ models proposed in this paper are divided into static and dynamic models. The static DiffServ models include Flat DiffServ providing per-subscriber DiffServ QoS and Structured DiffServ providing both per-service and per-subscriber DiffServ QoS. The dynamic DiffServ models include Direct DiffServ for peer to peer multimedia applications and Indirect DiffServ for applications of service providers. Based on the analysis of the pros and cons of the proposed models and the characteristics of current broadband access networks, smooth migration path toward QoS-enabled broadband access networks is also discussed.