network:start

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Network

The OSI (Open System Interconnect) Model was developed in 1984 as an open standard to promote network interconnection and interoperability.

Layer Function Examples
7. Application Support for applications HTTP, FTP, SMTP (email)
6. Presentation Protocol conversion, structures data for the application ASCII, JPEG, etc.
5. Session Establishes, manages and terminates sessions & connections NFS, SQL
4. Transport Is concerned with message integrity between source and destination TCP, UDP
3. Network Combines messages into packets, adding routing information IP, IPX
2. Data Link Handles flow control, sequencing, errors MAC
1. Physical Provides electrical and mechanical connections to the network cables and NIC
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  • Last modified: 2022/04/12 13:10
  • by mh