Controlling congestion in B-ISDN/ATM: issues and strategies

Eckberg, A.E.; Doshi, Bharat T.; Zoccolillo, Richard

doi:10.1109/35.90495

Cited by 45 publications

(7 citation statements)

References 7 publications

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“…Network congestion controls can be implemented at a number of levels in an ATM network, including call-level control, networkwide control at the ATM level and switch-element internal control [13]. For each call of the call-level control, there should be a service contract, specifying a set of service parameters between the network and the terminals.…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of a dynamic priority scheduling method in ATM networks

Huang

Wu²

1993

IEE Proc. I Commun. Speech Vis.

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Broadband ISDN using asynchronous transfer mode as the transport mode carries traffic of several different classes, including one or more real-time traffic classes, each with its own set of traffic characteristics and performance requirements. To support multiple classes of traffic in ATM networks, multiple priority levels are provided, and different priority levels are given to different classes of traffic. A dynamic priority scheme is proposed as an efficient scheduling method at a switching node in an ATM network serving multiple classes of delay-sensitive traffic. The advantage of this protocol lies in that, by properly adjusting the control parameters, it can meet the average delay requirement for different classes and thus guarantee the quality of service. In addition, each class of service can be guaranteed a minimum of bandwidth, which can prevent the low priority class from starvation.

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Section: Introductionmentioning

confidence: 99%

Performance analysis of a dynamic priority scheduling method in ATM networks

Huang

Wu²

1993

IEE Proc. I Commun. Speech Vis.

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“…However, if all streams have completely unconstrained bit-rate, the network either could not ensure a quality of service for established connections, or would be under-utilized due to a very conservative call admission policy. Hence, some form of service contract between the network and the user is necessary, along with traffic and congestion controls by end-system and network (see for example [5]). The user understands two things from the service contract.…”

Section: Vbr Video and Network Policingmentioning

confidence: 99%

On VBR video teleconferencing over ATM networks

Reibman

Berger

[Conference Record] GLOBECOM '92 - Communications for Global Users: IEEE

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This paper examines the problem of video transport over ATM networks using knowledge of both video system design and broadband networks. We find that the following trends hold for all sequences examined. First, increasing the delay in the video system decreases the necessary peak rate and significantly increases the number of calls that can be carried by the network. Second, as an operational traffic descriptor for video, the leaky-bucket algorithm appears to be superior to the sliding-window algorithm. And finally, with a delay in the video system, the statistical multiplexing gain from VBR over CBR video is upper bounded by roughly a factor of three, and to obtain a gain of 1.5 to 2.0 can require the operational traffic descriptor to have a window or bucket size on the order of a thousand cells. We briefly discuss how increasing the complexity of the video system may enable the size of the bucket or window to be reduced.

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“…Broadband applications require not only high-performance networking facilities but also the guarantee of Quality of Service (QOS), such as end-bend transfer delay and delay jitter. While the design of Broadband ISDN (BISDN)/Asynchronous Transfer Mode (ATM) networks [1,7,8,9] attempts to meet these requirements at lower layers of network protocol stacks, the paper tackles the same problem from a transport-layer perspective.…”

Section: Introductionmentioning

confidence: 99%

BATS: a high-performance transport system for broadband applications

Yuang

Liu

Shay

Proceedings of 19th Conference on Local Computer Networks

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Broadband applications require high-performance networking facilities and the guarantee of Quality Of Service (QOS). Existing transport protocols are incapable of providing QOS. Should a transport entity result in insufficient processing bandwidth, the layer becomes a performance bottleneck and can no longer guarantee QOS.In addition, the problem of how transfer rates can be determined in the implementation of non-window-based flow control mechanisms has been left unexplored. This paper presents a transport system prototype, called the Broadband Application Transport System (BATS), conducted over the User Datagram Protocol platform. It supports four classes of applications with different time sensitivity, bit rates, and connection types. In an effort to guarantee QOS, BATS employs a resource management scheme and arate-based flow control protocol. The resource manager may cause longer delays for timeinsensitive applications and the blocking of connections for timesensitive applications. Moreover, for ratebased flow control, the transfer rate for each application class can be accurately determined. Consequently, compared with TCP, BATS achieves superior performance in terms of end-twnd transfer delay and delay jitter for all application classes under various system loads.

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Controlling congestion in B-ISDN/ATM: issues and strategies

Cited by 45 publications

References 7 publications

Performance analysis of a dynamic priority scheduling method in ATM networks

Performance analysis of a dynamic priority scheduling method in ATM networks

On VBR video teleconferencing over ATM networks

BATS: a high-performance transport system for broadband applications

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