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:
• NTP Server Systems - The Network Time Protocol
• Classless IP Addressing
• What Are Private IP Addresses?
• Session Border Controllers - More Than Just a Voice Firewall
• IPv6 Anycast Addresses
• WAN Network Protocols - DSL, SONET, HDLC, DWDM, DLSW+
• VTP (VLAN Trunking Protocol)
• IPv6 Dynamic Address Allocation
• IPv6 Unicast Addresses
• IPv4 Datagram Fields
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