FERRARI,D.,AND VERMA, D. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368--379.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....attempts to overcome these problems by developing a novel framework for managing network congestion from an end to end perspective. Unlike most past work on bandwidth management that focuses on mechanisms in the network to provide QoS to flows or reduce adverse interactions between competing flows [7, 25, 8, 5, 37, 2], we focus on developing an architecture at the end hosts to: Ensure proper and stable congestion behavior by building on the well proven principles of additive increase multiplicative (AIMD) Enable all applications and transport protocols to adapt easily to network congestion and varying ....

FERRARI,D.,AND VERMA, D. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368--379.

....The demand for higher performance has resulted in an increase in popularity of ATM networks. Similarly, users have also been demanding real time, shared, multimedia applications such as video and audio conferencing. This has driven the development of systems that support quality of service (QOS) [Ferr90b, Ferr92] requests and multicast delivery. A QOS guarantee is a promise made by the network to provide a certain end to end communication performance for an application. Since these guarantees are made on a per connection basis, connection oriented networks are most often used to provide QOS support. The ....

D. Ferrari and D. Verma. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications, 8(3):368--379, April 1990.

....Our work overcomes these problems by developing a novel framework for managing network congestion from an end to end perspective. Unlike most past work on bandwidth management that focuses on mechanisms in the network to provide QoS to flows or reduce adverse interactions between competing flows [7, 18, 8, 5, 26], we focus on developing an architecture at the end hosts to enable applications to adapt easily to network congestion. The resulting framework is independent of specific applications and specific transport protocol instances, but provides the ability for different flows to perform shared state ....

D. Ferrari and D. Verma. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications, 8(3):368--379, Apr. 1990.

....to overcome these problems by developing a novel framework for managing network congestion from an end to end perspective. Unlike most past work on bandwidth management that focuses on mechanisms in the network to provide QoS to ows or reduce adverse interactions between competing ows (e.g. [7, 22, 8, 5, 36, 2]) we focus on developing an architecture at the end hosts to: Enable ecient multiplexing of concurrent ows, en A P I CM Protocol RTSP Audio Transport Instances Manager TCP1 TCP2 UDP RTP Video Congestion HTTP FTP Applications IP Figure 1: New sender protocol stack with the ....

Ferrari, D., and Verma, D. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368{ 379.

....ever leaving their respective workplaces. Because of its interactive nature, networked CSCW demands real time delay and bandwidth guarantees of the underlying networks. Accordingly, research is underway to develop protocols that can manage the network resources and provide performance guarantees [9, 3, 2]. At the same time, collaborative applications are being developed to exploit the new resources. While audio and video applications are becoming widely available, another essential component of collaborative work, the network equivalent of a conference room whiteboard , has been slower to evolve. ....

FERRARI, D., AND VERMA, D. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368--379.

....call sdr [73] first released in late 1995. In winter 1993, we started work on the UCB LBL video conferencing application, vic, which became a core research vehicle for the work contained herein. We originally conceived vic as an application to demonstrate the Tenet real time networking protocols [53] and to simultaneously support the evolving Lightweight Sessions architecture [88] that implicitly underlies all of the tools discussed. Work on vic 4 has since driven the evolution of the Real time Transport Protocol (RTP) 153] As RTP evolved, we tracked and implemented protocol changes, ....

....a large body of research topical to integrated services has emerged. A comprehensive survey of all of this work is beyond the scope of this chapter and we instead describe just a few of the approaches. A landmark work in real time service guarantees is the Tenet Real time Protocol Suite [53, 8]. The 19 Tenet project focused on providing provable performance guarantees from the network to the client. In the Tenet model, a client describes its traffic parameters and its service requirements to the network. If the network admits the client, there is an explicit contract: the network ....

Domenico Ferrari and Dinesh Verma. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications, 8(3):368--379, April 1990.

....call IntraH. 261. Intra H.261 gives significant gain in compression performance compared to nv and substantial improvement in both run time performance and packet loss tolerance compared to ivs. Vic was originally conceived as an application to demonstrate the Tenet real time networking protocols [14] and to simultaneously support the evolving Lightweight Sessions architecture [24] in the MBone. It has since driven the evolution of the Real time Transport Protocol (RTP) 40] As RTP evolved, we tracked and implemented protocol changes, and fed back implementation experience to the design ....

FERRARI, D., AND VERMA, D. A scheme for real-time communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368--379.

....[47] and Handley developed a much improved SDP based session directory tool called sdr [44] first released in late 1995. In winter 1993, we started work on the UCB LBL video conferencing application, vic, which we conceived to simultaneously demonstrate the Tenet real time networking protocols [36] and support the evolving LWS architecture. Work on vic has since driven the evolution of RTP. As RTP evolved, we tracked and implemented protocol changes, and fed back implementation experience to the design process. Moreover, our experience implementing the RTP payload specification for H.261 ....

FERRARI, D., AND VERMA, D. A scheme for realtime communication services in wide-area networks. IEEE Journal on Selected Areas in Communications 8, 3 (Apr. 1990), 368--379.

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