Hi Monky,
it is possible to use the 'IO::Socket::Multicast'-module.
This may be a little bit easier.

e.g.:

 #!/usr/bin/perl
 # client

 use strict;
 use IO::Socket::Multicast;

 use constant GROUP => '227.50.49.48';
 use constant PORT  => '9897';

 my $sock = IO::Socket::INET->new(Proto=>'udp',LocalPort=>PORT);
 $sock->mcast_add(GROUP) || die "Couldn't set group: $!\n";

 while (1) {
   my $data;
   next unless $sock->recv($data,1024);
   print $data;
 }
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