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Apr 24, 2020 · A protocol stack refers to a group of protocols that are runnning concurrently that are employed for the implementation of network protocol suite. The protocols in a stack determine the interconnectivity rules for a layered network model such as in the OSI or TCP/IP models. A set of network protocol layers that work together. The OSI Reference Model that defines seven protocol layers is often called a stack, as is the set of TCP/IP protocols that define communication over the internet. The term stack also refers to the actual software that processes the The network stack. Almost every textbook on networking includes information on the seven-layer Open Systems Interconnect (OSI) networking stack. This model was originally developed in the 1970s as part of the OSI project that had a goal of providing a common network standard with multivendor interoperability. The term "stack" is sometimes used to include utilities that support the layers of TCP/IP. The Netscape Handbook says (and we quote): "To make a successful connection to the Internet, your PC needs application software such as Netscape plus a TCP/IP stack consisting of TCP/IP software, sockets software (Winsock.dynamic link library), and hardware driver software (packet drivers).

The TCP/IP model, sometimes referred to as a protocol stack, can be considered a condensed version of the OSI model. Layer 1 (Network Access): Also called the Link or Network Interface layer. This layer combines the OSI model’s L1 and L2. Layer 2 (Internet): This layer is similar to the OSI model’s L3.

What is Protocol Stack? - Definition from Techopedia

The TCP/IP model, sometimes referred to as a protocol stack, can be considered a condensed version of the OSI model. Layer 1 (Network Access): Also called the Link or Network Interface layer. This layer combines the OSI model’s L1 and L2. Layer 2 (Internet): This layer is similar to the OSI model’s L3.

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