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:
• OSI Transport Layer
• TCP/IP Utilities
• An Introduction to the Types of VPNs
• VTP (VLAN Trunking Protocol)
• IPv6 Payload Length Field and Jumbograms
• Network Routing Protocols - IGRP, EIGRP, OSPF, ISIS, BGP
• Integration of IPv6 with IPv4
• IEEE 802 Standards Specify the Basics of Physical and Logical Networking
• Comparing IPv4 and IPv6 at a Glance
• IPv6 Packet Fragmentation

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