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Everything about Connectionless-mode Network Service

OSI network layer datagram service

Connectionless-mode Network Service (CLNS) or simply Connectionless Network Service is an OSI network layer datagram service that does not require a circuit to be established before data is transmitted, and routes messages to their destinations independently of any other messages. As such it is a "best-effort" rather than a "reliable" delivery service. CLNS is one of the two primary OSI network-layer services, the other being Connection-Oriented Network Service (CONS). CLNS is not an Internet service, but provides capabilities in an OSI network environment similar to those provided by the Internet protocol suite. The service is specified in ISO/IEC 8348, the OSI Network Service Definition Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Connectionless-mode Network ServiceA 5-minute orientation
  2. Pick up a classic book: Computer NetworksThe most-reprinted book on the subject
  3. Read the landmark paper: Routing architectures for the support of the OSI connection mode network serviceCited 2 times
  4. Go sideways: OSI protocolsA closely related topic
  5. Go sideways: Connection-Oriented Network ServiceA closely related topic

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🏆 Landmark papers (most cited)

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