# File lib/net/ssh/service/forward/services.rb, line 23
        def register_services( container )

          # All port forwarding services go in the :forward namespace.
          container.namespace_define :forward do |ns|

            # The :driver service manages all port forwarding. It is declared
            # as deferred so that it is not actually instantiated until it is
            # used--otherwise, it would be instantiated as soon as it was added
            # to the list of available services, whether it was ever used or
            # not.
            ns.driver :model => :singleton_deferred do |c,p|
              require 'net/ssh/service/forward/driver'
              Driver.new( c[:connection][:driver],
                          c[:transport][:buffers],
                          c[:log_for, p],
                          :local => c[:local_network_handler],
                          :remote => c[:remote_network_handler] )
            end

            # A constant service, used to indicate the maximum block size to be
            # passed over a forwarded connection.
            ns.read_block_size { 64 * 1024 }

            # The :local_network_handler service returns a proc object that
            # creates new LocalNetworkHandler instances for a given client
            # connection. This is used for forwarding ports on the local host.
            ns.local_network_handler :model => :singleton_deferred do |c,p|
              require 'net/ssh/service/forward/local-network-handler'
              log = c[:log_for, p]
              block_size = c[:read_block_size]
              lambda do |client|
                LocalNetworkHandler.new( log, block_size, client )
              end
            end

            # The :remote_network_handler service returns a proc object that
            # creates new RemoteNetworkHandler instances for a given port and
            # host. This is used for forwarding ports on a remote host.
            ns.remote_network_handler :model => :singleton_deferred do |c,p|
              require 'net/ssh/service/forward/remote-network-handler'
              log = c[:log_for, p]
              block_size = c[:read_block_size]
              lambda do |port, host|
                RemoteNetworkHandler.new( log, block_size, port, host )
              end
            end
          end
        end