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    Blog About TCP/IP

    About TCP/IP

    TCP/IP has become an almost universal standard in network communications. Networks of all sizes, and in particular the Internet, depend upon TCP/IP protocols to enable communications between different segments and devices. Some examples of where TCP/IP is used:

    The Internet, which facilitates
    communications between computers all over the world, and access to data and applications at geographically scattered sites (including the World Wide Web)
    * Intranets, which make information readily visible via a browser to users of a LAN or WAN, such as within a single corporation
    * Extranets, which share data between users within a group of companies, for example a supplier may create an Extranet with its major customers to facilitate sharing of information
    * Private networks: LANs and WANs where data is shared and e-mails are exchanged between members of a single organisation
    * Virtual Private Networks (VPNs) where remote users can be given access rights to make a dial-in connection via modem to the resources of a private network (usually protected by encryption).
    The wide use of TCP/IP means that you will need to understand the essentials of this group of protocols when installing and
    maintaining networked machines.

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