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    Computer Network

    Internetwork

    PrabhakerBy PrabhakerJuly 17, 2021Updated:December 14, 2022No Comments2 Mins Read

    Table of Contents

    • Internetwork
      • Types Of Internetwork:
        • 1. Extranet:  An extranet is a communication network based on internet protocol such as Transmission Control protocol and internet protocol. It is used for information sharing. Access to the extranet is restricted to only those users who have login credentials. An extranet is the lowest level of internetworking. It can be categorized as MAN, WAN, or other computer networks. An extranet cannot have a single LAN, at least it must have one connection to the external network.
        • 2. Intranet:  An intranet is a private network based on internet protocol such as Transmission Control protocol and internet protocol. An intranet belongs to an organization that is only accessible by the organization’s employees or members. The main aim of the intranet is to share information and resources among the organization’s employees. An intranet provides the facility to work in groups and for teleconferences.
        • Intranet advantages:
      • There are four internetworking devices

    Internetwork

    An internetwork is defined as two or more computer network LANs or WAN or computer network segments are connected using devices, and they are configured by a local addressing scheme. This process is known as internetworking. An interconnection between public, private, commercial, industrial, or government computer networks can also be defined as internetworking. An internetworking uses the internet protocol. The reference model used for internetworking is Open System Interconnection(OSI).

    Types Of Internetwork:

    1. Extranet:  An extranet is a communication network based on internet protocol such as Transmission Control protocol and internet protocol. It is used for information sharing. Access to the extranet is restricted to only those users who have login credentials. An extranet is the lowest level of internetworking. It can be categorized as MAN, WAN, or other computer networks. An extranet cannot have a single LAN, at least it must have one connection to the external network.

    2. Intranet:  An intranet is a private network based on internet protocol such as Transmission Control protocol and internet protocol. An intranet belongs to an organization that is only accessible by the organization’s employees or members. The main aim of the intranet is to share information and resources among the organization’s employees. An intranet provides the facility to work in groups and for teleconferences.

    Intranet advantages:

    • Communication: It provides cheap and easy communication. An employee of the organization can communicate with another employee through email, chat.
    • Time-saving: Information on the intranet is shared in real-time, so it is time-saving.
    • Collaboration: Collaboration is one of the most important advantages of the intranet. The information is distributed among the employees of the organization and can only be accessed by the authorized user.
    • Platform independence: It is a neutral architecture as the computer can be connected to another device with different architecture.
    • Cost-effective: People can see the data and documents by using the browser and distributing duplicate copies over the intranet. This leads to a reduction in the cost.

    There are four internetworking devices

    An internetworking device is for any hardware within networks that connect different network. The devices  are
    1. Routers,
    2. Bridges,
    3. Repeaters
    4. Gateways.
    Internetwork
    Prabhaker
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