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COST264-4SF

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					                                                                         Serge Fdida

      COST264, May 2000


A Framework for Multicast
    Communications

           Laboratoire LIP6-CNRS,
   Université Pierre et Marie Curie, France

                                8, rue du capitaine Scott, 75015 Paris
                                                                                   1
                                        Tel. +33-1-44-27-30-58,
                                        Fax. +33-1-44-27-53.53,
                                     email: Serge.Fdida@lip6.fr
                                      http://www.lip6.fr/rp/~sf
                                                                       Serge Fdida

     Group Communication
                                                     Social Group
                        Group
                     Communication
                                       Workstation


       Workstation                              Multipeer conversation

                             Network



                                                         Workstation


                                                                                 2

Workstation
                                                         Serge Fdida

 Application level vs Native Mcast
 Multicast   motivation
  Driven by the applications
      Entertainment,   information, engineering, community
  Powered by Technology
      Network   bandwidth, servers
 Multicast
  Where (Hosts, LANs, WANs)
  How (Host, Server, Native, Router support)
                                                                   3
                                                                                   Serge Fdida

                           Unicast Model
                                  R Mbps - O(Mbps)
N programs, R Mbps per program
         M receivers
            M>>N                                       Workstation




                                                                     Workstation




                                 Internet
           Video



                                                                     Workstation


      MxR Mbps – O(Tbps)


                                                                                             4


                                                     Workstation
                                                                                         Serge Fdida

                      « Server » Model
                                        R Mbps – O(Mbps)
N programs, RMbps per program
         M receivers                                         Workstation



                            NR Mbps – O(Gbps)
                                                 Server



                                                                           Workstation


                          Server      Internet
           Video



                                                                           Workstation
                                                  Server
       NxR Mbps O(Gbps)


                                                                                                   5


                                                           Workstation
                                                                                                   Serge Fdida

                  Native Multicast Model
                                                  R Mbps
N programs, RMbps per program
         M receivers
                                                                       Workstation


                            NR * Mbps – O(Gbps)
                                                   Router




                                                                                     Workstation




                           Router
                                       Internet             Router

          Video




      NxR Mbps – O(Gbps)                                                             Workstation



                                                   Router



                                                                                                             6



                                                                     Workstation
                                                                                                                                 Serge Fdida

                      Possible framework?
       Group Management                                       Tree construction=« Label Distribution protocol »
             QoS
            Security
                                   End Station
    Programmable Networking


                                                                          Edge Dev ice


                                                                                                                 End Station

                                                 Router



Session Mgt                      Edge Dev ice

                                                          Core Network
                                                                                     Router


                                                                                                                       PEERING
                                                                                                  Edge Dev ice


                                                           Router
                   End Station

                                                           Edge Dev ice
                                                                                                      End system
                                                   Edge Device
                                                                                                       Transport
                                                  Assist Multicast
                                                                                                       Multicast
                                                                                                                                           7




                                                                                              End Station
                                                                                                                                                            Serge Fdida

                              Proposed Mcast Model
PIM-SSM
                                                      Mcast Enable Netw ork
                                                                                         ? Mbps
    Mcast Enable Netw ork
                                      ? Mbps

                             GMTS                            Edge Router
                                                                                    ? Mbps             Mcast Enable Netw ork

                                    Edge Router



                                                                                         Edge Router
                                                                                                                           120
                                                    Internet
                                                   Core Network
                                                                                           Fat Pipe
    Video                                                                                                                  100
              NR Mbps                        MPLS
                                                                                                                               80
                                             MlLS
                                                                               PIM-SSM
                                                                           Edge Router
                                                                                                 60
                                                                                                                                                                 Cost/Gig

                                     Edge Router
                                                                        Reflector (multi-source) 40
                                                                                                                                                                       8
                                                                                                                               20
            Mcast Enable Netw ork                                                   Mcast Enable Netw ork
                                                                                                                               0
                                                                                                                                    1998   2000   2002   2004

				
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posted:9/23/2011
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