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Supporting Real-Time Applications in an Integrated Services Packet Network: Architecture and Mechanism

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dc.contributor.author Shenker, Scott
dc.contributor.author Clark, David D.
dc.contributor.author Zhang, Lixia
dc.date.accessioned 2002-07-23T16:25:44Z
dc.date.available 2002-07-23T16:25:44Z
dc.date.issued 1992-08
dc.identifier.uri http://hdl.handle.net/1721.1/1543
dc.description.abstract This paper considers the support of real-time applications in an Integrated Services Packet Network (ISPN). We first review the characteristics of real-time applications. We observe that, contrary to the popular view that real-time applications necessarily require a fixed delay bound, some real-time applications are more flexible and can adapt to current network conditions. We then propose an ISPN architecture that supports two distinct kinds of real-time service: guaranteed service, which is the traditional form of real-time service discussed in most of the literature and involves pre-computed worst-case delay bounds, and predicted service, which uses the measured performance of the network in computing delay bounds. We then propose a packet scheduling mechanism that can support both of these real-time services as well as accommodate datagram traffic. We also discuss two other aspects of an overall ISPN architecture: the service interface and the admission control criteria. en
dc.description.sponsorship Research at MIT was supported by DARPA through NASA Grant NAG 2-582, by NSF grant NCR-8814187, and by DARPA and NSF through Cooperative Agreement NCR-8919038 with the Corporation for National Research Initiatives. en
dc.format.extent 232768 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject real-time applications en
dc.subject Integrated Services Packet Network en
dc.subject ISPN en
dc.subject fixed delay bound en
dc.title Supporting Real-Time Applications in an Integrated Services Packet Network: Architecture and Mechanism en


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