Session Layer

• Allows applications on different computers to open a “Session”
• A Session is a highly structured dialog between two workstations
• Name Recognition & Security

Layer 5

• Synchronizes user tasks by placing checkpoints in the data stream
• If network fails, only data since last checkpoint needs to be resent
• Implements Dialog Control Between Communicating Processes, regulating:
• Which Side Transmits
• When it Transmits
• How Long it Transmits