IPv6 Addressing - Multicast Addressing
=========================================

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        **What is Multicast Addressing?**

        Multicast addressing is a method where data is sent from one source to multiple specific receivers in a group, using a single transmission.

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        **Why is Multicast Addressing useful?**

        It reduces network load by allowing efficient delivery of data to multiple recipients without sending multiple copies of the same data stream.

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        **How it works?**

        Devices join a multicast group using protocols like IGMP (for IPv4) or MLD (for IPv6). The sender transmits data to a multicast IP address, and routers forward the packets only to networks with group members.

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        **Where is Multicast Addressing used?**

        It is used in IPTV, video conferencing, live streaming, online gaming, and routing protocols like OSPF, EIGRP, and RIPng.

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

        Multicast addressing operates at the Network Layer (Layer 3), though group management also involves the Data Link Layer and Application Layer in some contexts.

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        **Is Multicast Addressing Windows specific?**

        No, multicast addressing is not Windows specific. It is supported by all major operating systems including Windows, Linux, and macOS.

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        **Is Multicast Addressing Linux specific?**

        No, multicast addressing is not Linux specific. It is widely supported across all network-capable operating systems.

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        **Which Transport Protocol is used by Multicast Addressing?**

        Multicast is typically used with UDP, as it is connectionless and suitable for one-to-many transmission. TCP does not support multicast.

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        **Which Port is used by Multicast Addressing?**

        Ports depend on the application. For example, routing protocols like OSPF use port 89, while others like streaming may use dynamic or well-known UDP ports.

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        **Is Multicast Addressing using client-server model?**

        Not strictly. Multicast typically follows a one-to-many model rather than a traditional client-server model.

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        Topics in this section,

                * :ref:`Learnings in this section <Multicast_Addressing_step1>`

                * :ref:`Terminology <Multicast_Addressing_step2>`

                * :ref:`Version Info <Multicast_Addressing_step3>`

                * :ref:`Multicast_Addressing Version&IEEE Details <Multicast_Addressing_step5>`

                * :ref:`Multicast_Addressing Basic Setup on Ubuntu using IPv4 <Multicast_Addressing_step18>`

                * :ref:`Multicast_Addressing Basic Setup on Ubuntu using IPv6 <Multicast_Addressing_step19>`

                * :ref:`Multicast_Addressing Protocol Packet Details <Multicast_Addressing_step6>`

                * :ref:`Multicast_Addressing Usecases <Multicast_Addressing_step7>`

                * :ref:`Multicast_Addressing Basic Features <Multicast_Addressing_step8>`
                    
                * :ref:`Reference links <Multicast_Addressing_step17>`


.. _Multicast_Addressing_step1:

.. tab-set::

    .. tab-item:: Learnings in this section

        * In this section, you are going to learn

.. _Multicast_Addressing_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _Multicast_Addressing_step3:

.. tab-set::

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


.. _Multicast_Addressing_step5:

.. tab-set::

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

        * rfc details

.. _Multicast_Addressing_step18:

.. tab-set::

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

       * setup

.. _Multicast_Addressing_step19:

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

     * setup
       
.. _Multicast_Addressing_step6:

.. tab-set::

    .. tab-item:: Multicast_Addressing Protocol Packet Details

        * packet details
       


.. _Multicast_Addressing_step7:

.. tab-set::

    .. tab-item:: Multicast_Addressing Usecases

       * usecases
        
        

.. _Multicast_Addressing_step8:

.. tab-set::

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



.. _Multicast_Addressing_step17:

.. tab-set::

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