
Chapter 2. Service implementation and optimization 35
versions of a WSDL simultaneously. This is easily done as long as the following
two conditions are met:
1. Use a different target namespace for each WSDL version. The following code
shows the namespace tag in a WSDL document.
Example 2-5 Unique Target Namespace
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:tns="https://www.payment.com/Or ...