Difference Between Similar Terms and Objects

Difference Between WSDL and SOAP


The words SOAP and WSDL are acronyms, with SOAP standing for Simple Object Access Protocol and WSDL being a short form of Web Service Description Language.

WSDL is an XML placed interface descriptive language that explains services that are available in a defined web service. This provides a description of the service naming, the specifications that are needed and the response pattern that is given back, that can easily be read and interpreted by a machine.

SOAP is defined as a protocol definition used in the transfer of patterned data in the fulfillment of Internet Services in Computer device networks.

Services in the WSDL are explained as a compilation of network ports. An XML format for documents is provided by the detailed description for the above reason.

Ports and messages are denied their sole purpose, allowing a reuse of the abs tract definition.


A groundwork layer of a Web services protocol stack can be developed by SOAP thus offering a structure that the internet service can be developed. This XML founded protocol comprises of three sections:

An Envelope: This tool determines what is contained in the envelope and the way that it can be developed. A set of converting instructions for showing occurrences of application-based data types and a propriety for complementing instructions and answers.

Perhaps the three major characteristics that should be realized when talking about SOAP are:

Independence: This characteristic enables SOAP to be compatible with all models of programming

Neutrality: This enables it to be usable in different transport protocol for instance the TCP, HTTP, JMS and any other

Extensible: This characteristic offers security as one of its extensions and WS-routing, among others

A number of layers are contained in the SOAP architecture defined for the message format, MEP, alongside the transportation rules.

WSDL explains the framework and pattern needed to transfer internet services messages. This is possible because it is used to explain categories of information in the document and also because it is of the required XML standard. The same XSD Schema is being applied.


As compared to the previous XML Schema languages, we note that these two have to offer a great deal of advantages to the previous models.

The advantages of SOAP as opposed to other languages include:

SOAP is multifaceted and can allow for the use of different mode of transport procedures as compared to other XML languages that use HTTP as the main transport protocol and do not support other protocols like the SMTP.

Easy linking to the existing firewalls and proxies since SOAP can easily tunnel in the HTTP post make.

SOAP can display general graph frameworks and is not only limited to the display of XML content in a tree structure.

Messages by SOAP can be transferred to multiple users and is not limited to only single recipients.

Message delivery by SOAP is guaranteed and if the connection is being tempered with, the system shall automatically resend the message.

SOAP has the capability to message encrypt so as to filter it from restricted viewers.


SOAP can be a little slower than other competitors’ technologies because when using the fundamental actualization and the main SOAP/HTTP binding, the data is interpreted as XML.


SOAP stands for Simple Object Access Protocol and WSDL stands for Web Service Description Language.

SOAP is a protocol definition for transferring patterned data in the fulfillment of internet services in computer device networks.

WSDL is a descriptive language that explains services that are offered in a web service.

The major characteristics of SOAP are Independence, Neutrality and Extensible.

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