The OSI Session Layer

By Stephen Bucaro

The Session layer, layer seven of the OSI model, establishes, synchronizes, maintains and terminates sessions between computers on a network. It establishes a connection ID and authenticates security.

When you think of the Session layer, keep in mind that the OSI is only a model. Actual network protocol suites, such as TCP/IP handle the conection establishment, maintainance, and termination with protocols at the Transport layer.

More Networking Protocols and Standards:
• Comparison of the Layers of the OSI and TCP/IP Models
• Neighbor Discovery Protocol (NDP)
• Protocol Suites
• 14 Common Network Ports You Should Know
• NTP Server Systems - The Network Time Protocol
• Virtual Local Area Networks (VLANs)
• Link Aggregation
• Video Streaming Protocols
• Shortest Path Bridging (SPB) Protocol
• IPv6 Global Unicast Addresses

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