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IP Multicast -  Embrace the challenge? Paul Catchpole Network Specialist  University of Warwick
Introduction Paul Catchpole -  [email_address]   What, why, who...  Making it work Keeping it working Securing it What's next?
Multicast Defined What is it? Packet type Addressing inc public ¨C Janet GLOP
Multicast Defined What's the point?
Multicast Defined Why do I want it?
Implementations thoughts! PIM ¨C router to router protocol IGMP ¨C host to router protocol  IGMP snooping / PIM snooping ¨C switch intelligence  Lan design ¨C routing WAN interconnection / service layer  Wireless
Janet Guidance Janet Multicast suggestions / requirements  Find the doc!!!!!! Rendezvous points / MSDP / MBGP
Decision Time Implementation Decisions  RP choices PIM BSR / (cover older auto-rp for Cisco)  - or static assignment  Addressing
UoW Approach Existing Network - Extreme
UoW Approach Cisco Network Replacement Project
Common Problems ...and possible solutions Software support Firewalls!  Tunnelling  Flooding Site local applications - addressing
Troubleshooting The basic idea! Look for this!
Troubleshooting Extreme Use these! Cisco Use these!  Everything else!
Management & Security Scoping Access lists Etc etc etc
The future... Source specific multicast  IPv6 More ¨C other stuff...
And that's it... Questions?  [email_address]

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Multicast - Embrace the challenge?