CEN 4500C Fundamentals of Computer Communication Networks

Last modified 1/30/95.

Presentation Layer Protocols

Earlier pages described protocols in general, network and internetwork protocols, transport layer protocols, and session layer protocols. This page describes presentation layer protocols.

• A. Functions
• B. Security and Privacy
  • i. Encryption
  • ii. Authentication
• C. Text Compression
  • i. Equally likely symbols
  • ii. Huffman Coding
  • iii. Context dependent coding
• D. Virtual Terminal Protocols
  • i. Terminal Classes
  • ii. ADT model
• E. File Transfer Protocols
• F. Examples