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:
• Network Cabling and Components
• Understanding IP Routing
• IGRP (Interior Gateway Routing Protocol)
• IEEE 802 Standards Specify the Basics of Physical and Logical Networking
• IPv4 Datagram Fields
• X.25 and Frame Relay Overview
• Routing Information Protocol (RIP), Open Shortest Path First (OSPF), and Routing Convergence
• IEEE 802.11.x Wireless Standards
• IPv6 Address Auto Configuration
• Network Routing Protocols - IGRP, EIGRP, OSPF, ISIS, BGP

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