Networking Basics - Class Presentation

[Pages:37]Networking Basics

Raj Jain The Ohio State University

Columbus, OH 43210 Jain@CIS.Ohio-State.Edu

1

Raj Jain

Overview

q Standards Organizations q ISO/OSI and TCP/IP Reference Model q Flow and Error Control q Ethernet, HDLC, PPP q Internet Protocol (IP), IPv6 q TCP q Domain Name System

2

Raj Jain

International Standards Organizations

q ISO: International Standards Organization Chartered by United Nations

q ITU: International Telecommunications Union m ITU-T: Consultative Committee on International Telephone and Telegraph (CCITT) m ITU-R: Consultative Committee on International Radio (CCIR) m Example Standards: G.724, X.25, Q.931 m itu.ch

q IEC: International Electrotechnical Commission

Raj Jain 3

National Standards Organizations

q ANSI: American National Standards Institute m m Non-governmental, nonprofit, over 300 committees m ANSI T1.105-1995 SONET ANSI X3.131-1994 SCSI-2 m Represents USA in ITU, IEC, and ISO

Raj Jain 4

Professional Associations

q IEEE: Inst of Electrical and Electronic Engineers,

m standards.

m IEEE ISO (via ANSI)

m Ethernet IEEE 802.3 ISO 8802-3:1998

q EIA: Electronic Industries Association,

m Example: EIA-232 (RS-232)

q TIA: Telecommunications Industries Association,

m

q ATM Forum,

q Frame Relay Forum,

5

Raj Jain

Professional Communities

q IETF:

m Internet Engineering Task Force,

m Originated by DARPA for TCP/IP protocol development

m Now chartered by Internet Society

m Request for Comments (RFC), E.g., rfc/rfc0793.txt = TCP

m Internet Drafts: ftp.internet-drafts/

q draft-ietf-diffserv-framework-02.txt

q draft-bhani-mpls-te-eval-00.txt

6

Raj Jain

ISO/OSI Reference Model

Application

3

Presentation

Session

2

Transport

Network

Datalink

1

Physical

File transfer, Email, Remote Login ASCII Text, Sound Establish/manage connection End-to-end communication: TCP

Routing, Addressing: IP Two party communication: Ethernet

How to transmit signal: Coding

Raj Jain 7

TCP/IP Reference Model

q TCP = Transport Control Protocol q IP = Internet Protocol (Routing)

TCP/IP Ref Model TCP/IP Protocols

Application

FTP Telnet HTTP

Transport

TCP

UDP

Internetwork

Host to Network

IP

Ether Packet Point-tonet Radio Point

8

OSI Ref Model Application Presentation Session Transport Network Datalink Physical

Raj Jain

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download