Terms an Acronym

GNU-GENERAL PUBLIC LICENSE
GNC is a free copyleft license for software and other kinds of work. The licenses for most software and practical works are designed to take away your freedom to share and change the works. By contrast, the GNC is intended to guarantee your freedom to share and change all versions of a program to make sure it remains free software for all its users.
IPv6
Internet Protocol version6 is a network layer for packet-switched Internet works. It is designated as the successor of the IPv4, the current version of the Internet Protocol, for general use onthe Internet. The main changes brought by IPv6 is a much larger address space that allows greater flexibility in assigning addresses.
The extended address length eliminates the need to use network address translation to avoid address exhaustion,and also simplifies aspects of address assignment and renumbering when changing providers.
OSI-Model
There is seven layers for the OSI-model.
OSI-model is layered, abstract description for communication and computer network protocol design.It was developed as part of the Open Systems Interconnection(OSI) initiative and is sometimes known as the OSI seven layer model.
TCP/IP-Model
The TCP/IP Model is a specification for computer network protocols created in the 1970s by DARPA,an agency of the United States Department of Defense. It laid the foundations for ARPANET, which was the world's first wide area network and a predecessor of the Internet.