# File lib/Dnsruby/SingleResolver.rb, line 456
    def udp_packet_size
      # if @udp_size > DefaultUDPSize then we use EDNS and 
      # @udp_size should be taken as the maximum packet_data length
      ret = (@udp_size > Resolver::DefaultUDPSize ? @udp_size : Resolver::DefaultUDPSize) 
      return ret
    end