{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Protocols_Layered_Architecture

Protocols_Layered_Architecture - Network Layered...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
A. Zahid, EE450 1 Network Layered Architecture OSI Reference Model & TCP/IP Protocol Suite Professor A. Zahid EE450: Computer Networks
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
A. Zahid, EE450 2 Protocols Human Protocols: • what’s the time? • I have a question • Introductions … specific msgs sent … specific actions taken when msgs received, or other events Network Protocols: • Machines rather than humans • All communication activity in Internet governed by protocols Protocols define format, order of msgs sent and received among network entities, and actions taken on msg transmission, receipt
Background image of page 2
A. Zahid, EE450 3 Get http://www.cnn.com/politics.html Human v.s. Network Protocols Hi Hi Got the time? 2:00 TCP connection request TCP connection reply <file> time
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
A. Zahid, EE450 4 Key Elements of a Protocol Syntax – Data formats, compression, encryption, etc. . – Signal levels Semantics – Error detection and control mechanisms Timing – Speed matching – Sequencing
Background image of page 4
A. Zahid, EE450 5 Standards • Required to allow for interoperability between equipment • Advantages – Ensures a large market for equipment and software – Allows products from different vendors to communicate • Disadvantages – Freeze technology
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
A. Zahid, EE450 6 OSI Reference Model
Background image of page 6
A. Zahid, EE450 7 Data Transmission in OSI Model
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
A. Zahid, EE450 8 Layer Communications • Peer layers communicate via
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 32

Protocols_Layered_Architecture - Network Layered...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online