Internetworking With TCP/IP vol 1 -- Part 1

Internetworking: an overview of concepts, terminology, andtechnology underlying the TCP/IP Internet protocol suite andthe architecture of an internet.
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Internetworking With TCP/IP vol 1 -- Part 1 Internetworking With TCP/IP Douglas Comer Computer Science Department Purdue University 250 N. University Street West Lafayette, IN 47907-2066 http://www.cs.purdue.edu/people/comer © Copyright 2005. All rights reserved. This document may notbe reproduced by any means without written consent of the author. PART I COURSE OVERVIEW AND INTRODUCTIONInternetworking With TCP/IP vol 1 -- Part 1 1 2005 Topic And ScopeInternetworking: an overview of concepts, terminology, andtechnology underlying the TCP/IP Internet protocol suite andthe architecture of an internet.Internetworking With TCP/IP vol 1 -- Part 1 2 2005 You Will Learnd Terminology (including acronyms)d Concepts and principles – The underlying model – Encapsulation – End-to-end paradigmd Naming and addressingd Functions of protocols including ARP, IP, TCP, UDP, SMTP, FTP, DHCP, and mored Layering modelInternetworking With TCP/IP vol 1 -- Part 1 3 2005 You Will Learn (continued)d Internet architecture and routingd ApplicationsInternetworking With TCP/IP vol 1 -- Part 1 4 2005 What You Will NOT Learnd A list of vendors, hardware products, software products, services, comparisons, or pricesd Alternative internetworking technologies (they have all disappeared!)Internetworking With TCP/IP vol 1 -- Part 1 5 2005 Schedule Of Topicsd Introductiond Review of – Network hardware – Physical addressingd Internet model and conceptd Internet (IP) addressesd Higher-level protocols and the layering principled Examples of internet architectureInternetworking With TCP/IP vol 1 -- Part 1 6 2005 Schedule Of Topics (continued)d Routing update protocolsd Application-layer protocolsInternetworking With TCP/IP vol 1 -- Part 1 7 2005 Why Study TCP/IP?d The Internet is everywhered Most applications are distributedInternetworking With TCP/IP vol 1 -- Part 1 8 2005 Remainder Of This Sectiond History of Internet protocols (TCP/IP)d Organizationsd DocumentsInternetworking With TCP/IP vol 1 -- Part 1 9 2005 Vendor Independenced Before TCP/IP and the Internet – Only two sources of network protocols * Specific vendors such as IBM or Digital Equipment * Standards bodies such as the ITU (formerly known as CCITT)d TCP/IP – Vendor independentInternetworking With TCP/IP vol 1 -- Part 1 10 2005 Who Built TCP/IP?d Internet Architecture Board (IAB)d Originally known as Internet Activities Boardd Evolved from Internet Research Groupd Forum for exchange among researchersd About a dozen membersd Reorganized in 1989 and 1993d Merged into the Internet Society in 1992Internetworking With TCP/IP vol 1 -- Part 1 11 2005 Components Of The IAB Organizationd IAB (Internet Architecture Board) – Board that oversees and arbitrates – URL is http://www.iab.org/iabd IRTF (Internet Research Task Force) – Coordinates research on TCP/IP and internetworking – Virtually defunct, but may re-emergeInternetworking With TCP/IP vol 1 -- Part 1 12 2005 Components Of The IAB Organization (continued)d IETF (Internet Engineering Task Force) – Coordinates protocol and Internet engineering – Headed by Internet Engineering Steering Group (IESG) – Divided into N areas (N is 10 plus or minus a few) – Each area has a manager – Composed of working groups (volunteers) – URL is http://www.ietf.orgInternetworking With TCP/IP vol 1 -- Part 1 13 2005 ICANNd Internet Corporation for Assigned Name ...