EE436 CS422 Wireless Networking Technologies and Aplications Video Multicasting via ad-hoc Network Group 5 Ali Karaduman Mehmet Kopan Onur Özbek M.Burak Şenol Instructors Ezhan Karaşan & İbrahim Körpeoğlu 14/05/2010 Introduction to WiSS WiSS:Video multicasting application in ad-hoc networks Multicast http://en.wikipedia.org/wiki/Multicasting (1) Introduction to WiSS (2) Features WiSS done via User Datagram Protocol(UDP) -to prevent congestion -received signal -Thread and Real-time Transport Protocol(RTP) For Multicast; Establishing Different Multicast Groups in the Same Ad-Hoc Network Quality Problem in Multicast -RTP vs. UDP -Also in VLC How does WiSS work? Server casts a media only to clients who desire to watch the media Every client can be also a server at the same time A client, who is not in a Multicast Group, can join the Multicast Group at the middle of a casting session Future Extension Java Media Framework (JMF) in RTP based server-client communication JMStudio, integrated with WiSS GUI, are used to open media at the client. Hardware/Software Requirements VLC media player Java & Java Packages -DatagramPacket -DatagramSocket -MulticastSocket DEMO