Matter 
========

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        **What is Matter?**

        Matter is an **open-source, royalty-free connectivity standard** developed by the **Connectivity Standards Alliance (CSA)** (formerly Zigbee Alliance). It aims to unify smart home device communication across ecosystems, ensuring **interoperability, reliability, and security**.

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        **Why is Matter useful?**

        * Enables **interoperability** between smart home devices from different brands (e.g., Apple, Google, Amazon).
        * Provides **secure**, **reliable**, and **low-latency** local communication.
        * Simplifies development by offering a common standard.
        * Reduces fragmentation in the smart home ecosystem.
        * Supports **multi-admin control**, allowing devices to work with multiple ecosystems simultaneously.

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        **How it works?**

        * Matter uses **IPv6-based networking protocols** for communication.
        * Devices communicate over **Thread**, **Wi-Fi**, or **Ethernet**, using **UDP** and **TLS** for secure transport.
        * A **commissioning process** securely onboards devices using QR codes or NFC.
        * The **Application Layer** defines standardized device types (lights, thermostats, sensors, etc.).
        * It supports **local communication** without requiring a cloud connection.

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        **Where is Matter used?**

        * **Smart homes** (lights, locks, thermostats, sensors, appliances).
        * **Smart buildings** and **offices**.
        * **Consumer IoT** devices that need cross-platform compatibility.
        * Anywhere multiple smart ecosystems need to operate **together seamlessly**.

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

        * Matter operates at the **Application Layer (Layer 7)** of the OSI model.
        * It uses **IPv6** and relies on lower layers (e.g., **TCP/IP**, **UDP**, **Thread**) for transport and network connectivity.

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        **IS Matter Windows specific?**

        * No, **Matter is not Windows-specific**.
        * It is designed for cross-platform deployment and can run on **embedded systems**, **Linux**, **macOS**, **Android**, **iOS**, and **Windows** (mainly for control apps or hub interfaces).

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        **IS Matter Linux Specific?**

        * No, **Matter is not Linux-specific**.
        * However, **Linux is widely used** in Matter-based hubs, smart speakers, and gateways due to its open-source nature and flexibility.

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

        * Matter primarily uses **UDP** with **DTLS** for secure communication.
        * **TCP** with **TLS** may be used in certain cases.
        * It runs over **IPv6** and supports transports like:
          * **Wi-Fi**
          * **Thread (IEEE 802.15.4)**
          * **Ethernet**

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        **Which Port is used by Matter?**

        * Matter uses **UDP port 5540** for unicast secure communication.
        * It also uses **UDP port 5353** for **mDNS (Multicast DNS)** during device discovery.
        * These ports can be implementation-specific but are standard in Matter reference implementations.

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        **Is Matter using Client server model?**

        * **Yes, partially.**
        * Matter uses a **request-response** model where devices can act as **clients**, **servers**, or **both**.
        * For example, a **light bulb** acts as a server providing resources, while a **smart switch** acts as a client issuing control commands.

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        Topics in this section,

                * :ref:`Learnings in this section <Matter_step1>`

                * :ref:`Terminology <Matter_step2>`

                * :ref:`Version Info <Matter_step3>`

                * :ref:`Matter Version&IEEE Details <Matter_step5>`

                * :ref:`Matter Basic Setup on Ubuntu using IPv4 <Matter_step18>`

                * :ref:`Matter Basic Setup on Ubuntu using IPv6 <Matter_step19>`

                * :ref:`Matter Protocol Packet Details <Matter_step6>`

                * :ref:`Matter Usecases <Matter_step7>`

                * :ref:`Matter Basic Features <Matter_step8>`
                    
                * :ref:`Reference links <Matter_step17>`


.. _Matter_step1:

.. tab-set::

    .. tab-item:: Learnings in this section

        * In this section, you are going to learn

.. _Matter_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _Matter_step3:

.. tab-set::

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


.. _Matter_step5:

.. tab-set::

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

        * rfc details

.. _Matter_step18:

.. tab-set::

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

       * setup

.. _Matter_step19:

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

     * setup
       
.. _Matter_step6:

.. tab-set::

    .. tab-item:: Matter Protocol Packet Details

        * packet details
       


.. _Matter_step7:

.. tab-set::

    .. tab-item:: Matter Usecases

       * usecases
        
        

.. _Matter_step8:

.. tab-set::

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



.. _Matter_step17:

.. tab-set::

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