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:
• IPv6 Address Types and Scopes
• TCP/IP Features
• WAN Network Protocols - DSL, SONET, HDLC, DWDM, DLSW+
• 14 Common Network Ports You Should Know
• IPv6 Unicast Addresses
• IPv4 to IPv6 Transition With the Dual-Stack Technique
• IPv6 Flow Label Field
• An Introduction to the Types of VPNs
• The OSI Network Layer
• Network Cabling and Components

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