The most common transport protocols that use port numbers are the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) those port numbers are 16-bit unsigned numbers.Ī port number is always associated with a network address of a host, such as an IP address, and the type of transport protocol used for communication. A port at the software level is identified for each transport protocol and address combination by the port number assigned to it. At the software level, within an operating system, a port is a logical construct that identifies a specific process or a type of network service. In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. JSTOR ( October 2016) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Port" computer networking – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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