Multicast Routing and Switching
  
    This chapter introduces the features and usage of IP multicasting, which
      allows a single host on a network to send a packet to a group of hosts. For more information
      on IP multicasting, refer to the following publications:
        - RFC 1112—Host Extension for IP Multicasting
          
        
 
        - RFC 2236—Internet Group Management Protocol, Version 2
        
 
        - RFC 3569—SSM for IPv4/IPv6 (only for IPv4)
 
        - PIM-SM Version 2—draft-ietf-pim-sm--v2-new-05
 
        - RFC 4601—PIM SM (only for IPv4)
 
        - RFC 2362 PIM-SM (Edge Mode)
 
        - RFC 3973 PIM-DM (only for IPv4)
 
        - RFC 3569—draft-ietf-ssm-arch-06.txt PIM-SSM PIM Source Specific
          Multicast
 
        - PIM-DM Draft IETF Dense Mode—draft-ieft-idmr-pimdm-05.txt,
          draft-ieft-pim-dm-new-v2-04.txt
 
        - RFC 3376—Internet Group Management Protocol, Version 3
 
      
     
    The following URL points to the website for the IETF PIM Working Group:
        http://datatracker.ietf.org/wg/pim/documents/ .