Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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OSI Basic Reference Model
The Open Systems Interconnection Basic Reference Model (OSI Model for short) is a layered, abstract description for communications and computer network protocol design, developed by the ISO (International Organization for Standardization). The OSI Model is sometimes referred to as a seven-layer model.