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Proceedings Paper

Multimedia document retrieval system using partially ordered/partially reliable transport service
Author(s): Phillip T. Conrad; Edward Golden; Paul D. Amer; Rahmi Marasli
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Paper Abstract

We investigate the benefits of using a partially-ordered/partially-reliable (PO/PR) transport service for multimedia document retrieval over the Internet by implementing a prototype system. We introduce PMSL, a document specification language combining aspects of Little and Ghafoor's OCPN with features for graceful degradation. We then show that for retrieval of PMSL documents, our PO/PR transport protocol (POCv2) provides several benefits over traditional protocols such as TCP or UDP. First, POCv2 provides mechanisms to achieve the reliability and order requirements of individual multimedia objects as specified by a document author. Second, when network conditions are poor (e.g., high loss rates), POCv2 provides for graceful degradation. Finally, POCv2 simplifies application development by providing appropriate mechanisms for synchronization.

Paper Details

Date Published: 25 March 1996
PDF: 12 pages
Proc. SPIE 2667, Multimedia Computing and Networking 1996, (25 March 1996); doi: 10.1117/12.235867
Show Author Affiliations
Phillip T. Conrad, Univ. of Delaware (United States)
Edward Golden, Univ. of Delaware (United States)
Paul D. Amer, Univ. of Delaware (United States)
Rahmi Marasli, Univ. of Delaware (United States)


Published in SPIE Proceedings Vol. 2667:
Multimedia Computing and Networking 1996
Martin Freeman; Paul Jardetzky; Harrick M. Vin, Editor(s)

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