Figure 5   Port extensions 

      <wsdl:service name="StockQuoteService"> 
                  <wsdl:port name="StockQuoteServicePort" 
                    binding="sqi:StockQuoteInterface" 
                           soap:address location="urn"
                  </wsdl:port> 
                  <wsdl:port name="StockQuoteManagementPort" 
                          Binding="squi:StockQuoteManagementInterface" 
                          Soap:address location="urn" 
                  </wsdl:port> 
                  <wsdl:port name="StockQuoteGenericManagementPort" 
                          Binding="squi:GenericManagementInterface" 
                          Soap:address location="urn" 
                  </wsdl:port> 

      </wsdl:service>