Protocols are sets of standards or guidelines that facilitate data transmission in a network. Various protocols are used to direct data between network sources and destinations. Binding these protocols can help establish software connections.
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Protocol binding is the connection between one protocol and another in a network to create a new data flow. In communications networks, data flows between protocols, such as the transport protocol and network protocol, as it is forwarded from a source to a destination. Binding the protocols creates the channel used by the data as it moves from the original application through the network.
Protocol binding enables users to specify the service used through a WAN (Wide Area Network) port. If the user has multiple ISPs, or Internet service providers, available in a VPN, or Virtual Private Network, the user can specify which Internet service provider to use via the WAN port.
Some protocols must bind to network adapters, or devices that send and receive data to and from networks, for computers to access networks or share functions. Binding the TCP/IP (Transmission Control Protocol/Internet Protocol) to the network adapter is necessary to access the Internet. To share Microsoft files, the File and Print Sharing for Microsoft Networks protocol must bind to the network adapter of each computer on the network.