1. STATUS OF THIS MEMO

   This memo specifies the extensions required of a host implementation
   of the Internet Protocol (IP) to support multicasting.  It is
   proposed as a standard for IP multicasting in the Internet.  This
   specification is a major revision of RFC-988(-> 1112std5 | 1054(-> 1112std5)); changes from RFC-988(-> 1112std5 | 1054(-> 1112std5))
   are listed in an Appendix.  Distribution of this memo is unlimited.