多媒体通信网络英文课件Chapter5 Multimedia Applications.ppt

MMCN-Chapter5 Chapter 5 Multimedia Applications Prof. Guohui Li School of Information System and Management National University of Defense Technology Spring 2010 Chapter 5 What kind of Multimedia applications are there in the distributed computing environment, in particular in Internet? Which concepts and functions are involved with application layer in multimedia networks? High layers above the transport layer. Coding session management synchronization ALF: Application level framing Chapter 5 5.1 Classification for Multimedia applications 5.2 Concept of ALF 5.3 Multimedia conferencing 5.4 Video Servers 5.5 Applications requiring reliable multicast 5.6 Multimedia applications in the WWW 5.7 Summary 5.1 Classification for MM Applications Applications are crucial for multimedia area because they are only reason why anybody would invest in this area. No serious attempt has been made to classify multimedia application. A classification proposed by text book (multimedia: computing, communications, and applications) will be introduced in this section. 5.1.1 Programs for Applications USA HPCC: High Performance Computing and Communication NII: National Information Infrastructure IITA: Information Infrastructure Technology and Applications NASA: National Aeronautics and Space Administration NSF: National Science Foundation DARPA: Defense Advanced Research Agency. 5.1.1 Programs for Applications Some of advanced applications: tele-medicine: an individual medical records will be sent to a consulting physician located miles away. remote education and training: the access and study of books, films, music, photographs in the libraries, museums, and classroom will be available to teachers and students anywhere in the world. tele-operation: flexible incorporation of improved design and manufacturing may be performed in a distributed manner. information access: universal access to government data and public information. 5.1.1 Programs for Applications Europe ESPRIT: Eur