SOAP - Simple Object Access Protocol
=========================================

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        **What is SOAP?**

        SOAP (Simple Object Access Protocol) is a **protocol specification for exchanging structured information** in the implementation of web services. It uses **XML** to encode messages and typically runs over **HTTP or SMTP**.

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        **Why is SOAP useful?**

        SOAP is useful for:
        - **Standardized communication** between systems regardless of platform or language.
        - **Enterprise-level applications** requiring strict message formats and strong error handling.
        - **Interoperability** with legacy systems and complex workflows.

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        **How it works?**

        SOAP works by:
        - Sending **XML-formatted requests** from a client to a server.
        - The server processes the request, executes the operation, and returns a **structured XML response**.
        - It supports **WSDL (Web Services Description Language)** to describe the service interface.
        - SOAP can work over various transport protocols like HTTP, SMTP, TCP, or JMS.

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        **Where is SOAP used?**

        SOAP is commonly used in:
        - **Enterprise applications**
        - **Financial and banking systems**
        - **Telecommunication platforms**
        - **Government and healthcare services**
        - Anywhere requiring **robust standards, strict contracts, and reliable delivery**

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        **Which OSI layer does this protocol belong to?**

        SOAP operates at the **Application Layer (Layer 7)** of the OSI model.

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        **Is SOAP Windows specific?**

        No, SOAP is **not Windows specific**. While Microsoft’s .NET framework supports SOAP-based services, it is a **platform-independent** standard supported on many operating systems.

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        **Is SOAP Linux specific?**

        No, SOAP is **not Linux specific**. It is supported across platforms and can be implemented using Java, Python, PHP, C#, and more on both Linux and non-Linux systems.

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        **Which Transport Protocol is used by SOAP?**

        SOAP is **transport-independent**, but most commonly uses **HTTP** and **HTTPS**. It can also be used with SMTP, FTP, JMS, or even raw TCP.

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        **Which Port is used by SOAP?**

        SOAP services over HTTP typically use:
        - **Port 80** for HTTP
        - **Port 443** for HTTPS
        However, custom ports may also be used depending on server configuration.

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        **Is SOAP using Client server model?**

        Yes, SOAP uses a **client-server model**. The **client** sends a structured XML request to a **SOAP server**, which processes the request and returns a response. The interaction is governed by WSDL and SOAP specifications.

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        Topics in this section,

                * :ref:`Learnings in this section <SOAP_step1>`

                * :ref:`Terminology <SOAP_step2>`

                * :ref:`Version Info <SOAP_step3>`

                * :ref:`SOAP Version&IEEE Details <SOAP_step5>`

                * :ref:`SOAP Basic Setup on Ubuntu using IPv4 <SOAP_step18>`

                * :ref:`SOAP Basic Setup on Ubuntu using IPv6 <SOAP_step19>`

                * :ref:`SOAP Protocol Packet Details <SOAP_step6>`

                * :ref:`SOAP Usecases <SOAP_step7>`

                * :ref:`SOAP Basic Features <SOAP_step8>`
                    
                * :ref:`Reference links <SOAP_step17>`


.. _SOAP_step1:

.. tab-set::

    .. tab-item:: Learnings in this section

        * In this section, you are going to learn

.. _SOAP_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _SOAP_step3:

.. tab-set::

    .. tab-item:: Version Info
    
         * Version Info


.. _SOAP_step5:

.. tab-set::

    .. tab-item:: SOAP Version&RFC Details

        * rfc details

.. _SOAP_step18:

.. tab-set::

    .. tab-item:: SOAP Basic Setup on Ubuntu using IPv4

       * setup

.. _SOAP_step19:

.. tab-set::
  
   .. tab-item:: SOAP Basic Setup on Ubuntu using IPv6

     * setup
       
.. _SOAP_step6:

.. tab-set::

    .. tab-item:: SOAP Protocol Packet Details

        * packet details
       


.. _SOAP_step7:

.. tab-set::

    .. tab-item:: SOAP Usecases

       * usecases
        
        

.. _SOAP_step8:

.. tab-set::

    .. tab-item:: SOAP Basic Features
    
        * features 



.. _SOAP_step17:

.. tab-set::

    .. tab-item:: Reference links
     
       * Reference links