| URL | Description | Category |
|---|---|---|
| Bi-Directional PIM Whitepaper | Fantastic overview of Bi-Directional Pim | Multicast |
| Cisco Multicast Documentation | 12.4 IOS Documentation for Multicast | Multicast |
| Multicast Technology White Paper | IP Multicast Technology White Paper | Multicast |
| RFC 3569 Overview of SSM | An overview of Source Specific Multicast | Multicast |