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IP Multicasting

This document explores the intricacies of Internet multicasting, focusing on its motivation as a network layer service. It covers the mapping of multicast addresses to Ethernet MAC addresses and details the two-step process of joining a multicast group via the Internet Group Management Protocol (IGMP). The discussion extends to multicast routing challenges, comparing shared-tree and center-based approaches, including Steiner Trees and Minimum Spanning Trees. Additionally, it highlights source-based approaches like Reverse Path Forwarding and examines routing protocols such as DVMRP and Protocol Independent Multicast (PIM).

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IP Multicasting

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  1. IP Multicasting

  2. IP Multicasting: Motivation

  3. Multicast via Unicast

  4. Multicast as a network layer service

  5. Internet Multicast Service Model

  6. Multicast groups

  7. Mapping Multicast Addresses to Ethernet MAC addresses

  8. Joining a mcast group: two-step process

  9. IGMP: Internet Group Management Protocol

  10. Multicast Routing: Problem Statement

  11. Shared-Tree: Steiner Tree

  12. Shared-Tree: Steiner Tree

  13. Steiner vs. Minimum Spanning Tree

  14. Center-based trees

  15. Center-based trees: an example

  16. Source Based Approaches: Reverse Path Forwarding

  17. Source Based Approaches: Reverse Path Forwarding: example

  18. Source Based Approaches: Reverse Path Forwarding: pruning

  19. Internet Multicasting Routing: DVMRP

  20. PIM: Protocol Independent Multicast

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