Quality of service in B-ISDN and relation with network management

Jung, Jae-il; Seret, Dominique; Picard, Roland

doi:10.1109/icc.1992.267965

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…The proposed QoS framework [4] consists of the QoS parameters, the NP (Network Performance) parameters and the QoS architecture. The objective of QoS framework is to satis@ and guarantee user's service quality requirements.…”

Section: Qos Frameworkmentioning

confidence: 99%

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Quality of service aspects in multi-media applications

Jung

Kim²,

Min³

et al.

5th IEEE COMSOC International Workshop on Multimedia Communications

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Section: Qos Frameworkmentioning

confidence: 99%

“…This problem will be resolved by having QoS related data in each layer. These data will be stored in the information base (e.g., MIB), and then accessed through the NM framework [4].…”

Section: Qos Frameworkmentioning

confidence: 99%

Quality of service aspects in multi-media applications

Jung

Kim²,

Min³

et al.

5th IEEE COMSOC International Workshop on Multimedia Communications

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show abstract

“…So, in order to guarantee1 QoS to the user, it is necessary to introduce a set of DOS Dara meters whose properties indicate the nature and the requirements in layered protocol stack. These QoS parameters are defmed for each layer such that each layer can guarantee the demanded QoS to its next-higher layer and demands a possibly different QoS from its next-lower layer [5]. So, it is important to translate2 user requirements into ATM layer QoS parameters.…”

mentioning

confidence: 99%

Translation of QoS parameters into ATM performance parameters in B-ISDN

Jung

Seret

IEEE INFOCOM '93 the Conference on Computer Communications, Proceedings

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The paper studies the Quality of Service (QoS) concept in Broadband ISDN (B-ISDN). The QoS parameters in the ATM layer and the AAL (ATM Adaptation Layer) are defined. The main goal of this paper is to present the translation of QoS parameters between layers. We concentrate on the translation from the AAL to the ATM layer because the AAL must be designed to be service dependent and specific. The QoS parameters at the ATM layer resulting from the translation will be the performance requirements on a connection basis for the ATM network. Finally, we discuss the impacts of QoS parameter translation on guaranteeing QoS in the ATM network. 1: IntroductionAs telecommunication and computer communication evolve into high bandwidth and low delay communication, applications which were previously restricted to specialised networks can be integrated into a broadband network. The B-ISDN will be based on the Asynchronous Transfer Mode (ATM). ATM is a very flexible transfer mode which does not impose a fixed rate of transmission to the sources of information, therefore being adequate to support any type of service, either at a constant or variable bit rate. This ensures that ATM can be used not only for existing services but also for new services and applications [1] [2].A major problem, however, in the B-ISDN is how to guarantee the QoS to each service, especially given the wide range of services that the B-ISDN will be supporting and the higher degree of ATM resource sharing as compared to the conventional synchronous transfer mode (STM). To provide QoS guarantees requires at the one end the knowledge of QoS requirements, and at the other end the construction of an ATM core network that can guarantee this QoS :1) First problem is that little is known about the ATM performance requirements of future B-ISDN services, especially multi-media applications. Even the requirements of foreseeable B-ISDN services (i.e., N-ISDN services) have not been thoroughly analysed in terms of ATM network performance parameters; only ?This work was partially supported by the EEC research project M * c E (QOSMIC).Also a member of the research staff at KOREA TELECOM. some (not exact) definitions [3][4] are known. This is because the performance requirements depend not only on the diverse QoS requirements from user, but also on the layer processing and workload in host systems. So, in order to guarantee1 QoS to the user, it is necessary to introduce a set of DOS Dara meters whose properties indicate the nature and the requirements in layered protocol stack. These QoS parameters are defmed for each layer such that each layer can guarantee the demanded QoS to its next-higher layer and demands a possibly different QoS from its next-lower layer [5]. So, it is important to translate2 user requirements into ATM layer QoS parameters. We call this mechanism 00s parameter mnslation.We concentrate on the translation from the AAL to the ATM layer, as the AAL is designed to be service dependent and specific. The ATM layer QoS parameters are basically the end-to-e...

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Translation of user's QoS requirements into ATM performance parameters in B-ISDN

Jung

1996

Computer Networks and ISDN Systems

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Quality of service in B-ISDN and relation with network management

Cited by 5 publications

References 2 publications

Quality of service aspects in multi-media applications

Quality of service aspects in multi-media applications

Translation of QoS parameters into ATM performance parameters in B-ISDN

Translation of user's QoS requirements into ATM performance parameters in B-ISDN

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