advantage:
1. Using xml support cross-platform remote calls.
2. http-based soap protocol, across firewalls
3. supports object-oriented development
4. beneficial reuse of software and data to achieve loose coupling.
Disadvantages:
1. Because soap is based on xml transmission, the transmission itself uses xml unrelated things so efficiency is not high, as the perfect soap protocol, soap protocol adds a lot of content, this has led to the use of soap to complete a simple protocol for data transmission more efficiency is not high.
As a web standard technologies 2.webservice cross-platform access, many have limited wages require the use webservice, in fact, if you use http direct transfer of custom data content faster and simpler interface than for webservice development, such as third-party payment company's support interface. For example Alipay interface