Chapter 16A - Distributed Multimedia Database Systems...

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1 Distributed Multimedia Database Systems ± Introduction to Multimedia Database Systems ± Introduction to MPEG-7 ± Introduction to MPEG-21 ± Distributed Multimedia Database System Outline ± Architectural Consideration ± Video Servers and Streaming ± Multimedia Communication ± Client-Design Issues ± Content Adaptation ± Summary ± Architectural Consideration ± Video Servers and Streaming ± Multimedia Communication ± Client-Design Issues ± Content Adaptation ± Summary Architectural Consideration ± C-S System ± Peer-to-Peer System ± MPEG-21-Based Architecture Client-Server System ± Client-Server Architecture ± Client applications request multimedia data from the server, which are then processed locally. ± Drawback - Not scale well with respect to ± the number of users ± the heterogeneity of the terminals employed ± the size of the data requested
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2 ± C-S-based multimedia system with different profiles Peer-to-Peer System ± P2P System ± Portable devices with various capabilities send and transfer multimedia content from one device to another in order to allow greater flexibility ± Peer-to-peer services may have functions ± To hold the content from the creation to the delivery ± To check the capability of the other peer party and see whether it can process the multimedia data before delivering ± To create metadata to describe content received from the users ± Technical challenges ± The realization of generic information communication between peers : P2P communication protocols (e.g. CC-PP, JXTA v1.0) ± The protocol considerations communication paradigm has to be reconsidered : Mobile Agent MPEG-21-Based Architecture ± Web-based distributed MMDBMS relying on MPEG-21 ± Multimedia Database holds a collection of MPEG21 DIs. ± Web server is the front end for all users to the framework providers. ± MPEG-21 terminals are where users consume and
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This note was uploaded on 12/23/2009 for the course DBST 663 taught by Professor Tba during the Spring '09 term at MD University College.

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Chapter 16A - Distributed Multimedia Database Systems...

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