Multicast Dan lI CS Department, Tsinghua University 2021/2/11
Multicast 2021/2/11 1 Dan LI CS Department, Tsinghua University
Today's Lecture Why Multicast? iP multicast service models Host-Router Signaling: IGMP Multicast Distribution Trees and Forwarding Multicast Routing protocols Reliable multicast ulticast Overlay Reading List 2021/2/11
Today’s Lecture Why Multicast? IP multicast service models Host-Router Signaling: IGMP Multicast Distribution Trees and Forwarding Multicast Routing Protocols Reliable multicast Multicast Overlay Reading List 2021/2/11 3
Multicast Routing Unicast: one source to one destination w Multicast: one source to many destinations Main goal: efficient data distribution Avoid data duplication within network 2021/2/11 4
Multicast Routing Unicast: one source to one destination Multicast: one source to many destinations Main goal: efficient data distribution Avoid data duplication within network 2021/2/11 4
Multicast- Efficient Data Distribution Src Src ↓↓| 2021
Multicast – Efficient Data Distribution 2021/2/11 5 Src Src
EXample Applications Broadcast audio/video Push-based systems(e. g. BGP updates Software distribution Web-cache updates Teleconferencing (audio, video, shared whiteboard, text editor) Multi-player games Other distributed applications 2021/2/11
Example Applications Broadcast audio/video Push-based systems (e.g., BGP updates) Software distribution Web-cache updates Teleconferencing (audio, video, shared whiteboard, text editor) Multi-player games Other distributed applications 2021/2/11 6