「コンピュータネットワー「コンピュータネットワーク概論」ク概論」

Introduction to Introduction to Computer NetworksComputer Networks

Professor Lawrence Landweber, U. of Professor Lawrence Landweber, U. of WiscWisc

Professor Jun Murai, KEIO UniversityProfessor Jun Murai, KEIO University

1999.9.281999.9.28

Prof. LawrenceProf. Lawrence (Larry) (Larry) LandweberLandweber

Univ. of Wisconsin, MadisonUniv. of Wisconsin, Madison

Jun MuraiJun Murai

Professor of KEIO UniversityProfessor of KEIO University Current hot topics Current hot topics

ICANN, ISOC, JPNIC …ICANN, ISOC, JPNIC … Works on Internet since ?…Works on Internet since ?… Leading WIDE project since 1986Leading WIDE project since 1986 Led JUNET project 19?? – 1986Led JUNET project 19?? – 1986

Internet ArchitectureInternet Architecture

Connection : End-to-endConnection : End-to-end IP: just forwarding in the middleIP: just forwarding in the middle

TCPUDP

Application

IP

Network Interface

Physical

UDPTCP

Application

IP

Network Interface

Physical

IP

Network Interface

Physical

IP

Network Interface

Physical

Who should take this Who should take this coursecourse

Students who want to get basic Students who want to get basic knowledge of the computer knowledge of the computer networks.networks.

Students who wants to get Students who wants to get network programming skillsnetwork programming skills

Students who wants to Students who wants to experience classes using leading experience classes using leading edge technologyedge technology

WhoWho

Who’s giving lecturesWho’s giving lectures Prof. Jun Murai, KEIO UnivProf. Jun Murai, KEIO Univ Prof. Lawrence Landweber, U of Prof. Lawrence Landweber, U of

WiscWisc Who’s taking lecturesWho’s taking lectures

Grad and Undergrad Students at Grad and Undergrad Students at WisconsinWisconsin

Grad Students at KEIO UnivGrad Students at KEIO Univ Grad Students at Nara Institute of Grad Students at Nara Institute of

Technology and ScienceTechnology and Science

Who’s supporting (1) Who’s supporting (1) Japan Technical SupportJapan Technical Support

Akira Kato – U. of Tokyo, WIDE Akira Kato – U. of Tokyo, WIDE network/APANnetwork/APAN

Osamu Nakamura – KEIO University, Osamu Nakamura – KEIO University, WIDE networkWIDE network

Hiroshi Esaki – U. of Tokyko, JB/JGNHiroshi Esaki – U. of Tokyko, JB/JGN Kazunori Sugiura – CRL/KEIO Univ.Kazunori Sugiura – CRL/KEIO Univ.

NetworkNetwork Kengo Nagahashi – KEIO Univ, IPv6Kengo Nagahashi – KEIO Univ, IPv6 Akimichi Ogawa – KEIO Univ, DV Akimichi Ogawa – KEIO Univ, DV

over IPover IP Masafumi Oe – NAIST networkMasafumi Oe – NAIST network Naoto Morishima – NAIST networkNaoto Morishima – NAIST network

Who’s supporting (2)Who’s supporting (2)

Japan SOI StaffJapan SOI Staff Yuri AkitaYuri Akita Koji OgawaKoji Ogawa Koshiro MitsuyaKoshiro Mitsuya Shoichi YokoyamaShoichi Yokoyama Takeru Nomura and other SOI Takeru Nomura and other SOI

membersmembers Japan Project OrganizerJapan Project Organizer

Keiko Okawa – KEIO Univ.Keiko Okawa – KEIO Univ. Ray Atarashi – NAISTRay Atarashi – NAIST

WIDE ProjectWIDE Project

Group of Group of developers/operators/researchersdevelopers/operators/researchers

University, Industry, and University, Industry, and GovernmentGovernment

350 members, about 250 active350 members, about 250 active Share testbeds:Share testbeds:

High High speed/Wireless/IPv6/Mobile/Multicasspeed/Wireless/IPv6/Mobile/Multicastt

Non-profit, non-legal entityNon-profit, non-legal entity

WIDE Project WIDE Project approachesapproaches

Missionary workMissionary work IPv6 IPv6

ChallengesChallenges TCP protocolsTCP protocols Mobile InternetMobile Internet

TestbedsTestbeds IPv6IPv6 MulticastMulticast MobileMobile

DeploymentDeployment Practical use of super advanced Practical use of super advanced

technologiestechnologies Practical use of existing Internet Practical use of existing Internet

environmentenvironment

NAISTKEIO SFC

Hitachi

SONY-CSL

ToshibaCRL

MEX

Univ. TokyoNTT/KDDTo: Osaka

To: JAIST

To: Kyoto

TohokuTo: Tohoku

JAIST

KyotoOsaka

Kurashiki

Hitoshima

Kyushu

JB: Network Topology and organization map

Connected site

Data-link line

Kyushu-U Hiroshima UOsaka-U

JAIST

KUSA

NAIST

Keio-U

CRL-NTT

Kyoto-U

U-Tokyo

Tohoku-UCSI

K.A.I.U

K.I.TH.C.U

Sony-CSL

CRL

CRL-KDD

Hitachi

MEX

Toshiba

JB’s Backbone

STARTAP6TAP

Univ. of Wisconsin, Madison

KEIO Univ. SFC

NAIST

TransPac

“CS640 Introduction to Computer Networks” by 3 Universities, 1999.9 – 2000.1

Interactive classes using DV multicast over IPv6

+ On-demand classes using

SOI archives on the Internet

Prof. Murai Prof. Landweber

SOI Research Architecture

Lecture Archiving System

Lecture on demand

system

InteractiveRemote lecture

System

ReliableMulticast

Diffserv

UDLR Multicast

D-WDM ATM Satellite

How to studyHow to study

Take Jun’s classes at classroom Take Jun’s classes at classroom as usualas usual

Take Larry’s classes at classroom Take Larry’s classes at classroom from Wisconsinfrom Wisconsin

Take classes on-demand on the Take classes on-demand on the InternetInternet

Do some programming for projectDo some programming for project Everything is available online - Everything is available online -

http://www.http://www.sfcsfc.wide.ad..wide.ad.jpjp//soisoi/class/99006//class/99006/

Study Topics of this Study Topics of this coursecourse

Link LayerLink Layer Network LayerNetwork Layer Transport LayerTransport Layer Larry will explain more.Larry will explain more.

ScheduleSchedule

09/28 09/28 Introduction of the course (Larry Introduction of the course (Larry and Jun)and Jun)

10/05 10/05 Network Introduction (Larry and Network Introduction (Larry and Jun)Jun)

10/12 10/12 Link Layer Introduction (Larry Link Layer Introduction (Larry and Jun)and Jun)

10/19 10/19 more on Link Layer (Jun)more on Link Layer (Jun) 10/26 10/26 Packet switching (Larry and Jun)Packet switching (Larry and Jun) 11/02 11/02 more on Packet Switching (Jun)more on Packet Switching (Jun) 11/09 11/09 End-to-End system (Larry and End-to-End system (Larry and

Jun)Jun) 11/16 11/16 more on End-to-End system more on End-to-End system

(Jun)(Jun)

Schedule (cont’d)Schedule (cont’d)

11/30 11/30 more on End-to-End system more on End-to-End system (Jun)(Jun)

12/0 12/0 Internetworking (Larry and Internetworking (Larry and Jun) Jun)

12/14 12/14 休講休講 12/20 12/20 Congestion Control (Larry Congestion Control (Larry

and Jun)and Jun) ( ( 補講補講 )) 01/11/00 01/11/00 Q and A (Larry and Jun)Q and A (Larry and Jun) 01/18/00 01/18/00 more on Congestion more on Congestion

Control (Jun)Control (Jun) 01/25/00 01/25/00 Project Demo (Jun)Project Demo (Jun)

Text bookText book

Larry L. Peterson and Bruce S. Larry L. Peterson and Bruce S. Davie,"Computer Networks - A Davie,"Computer Networks - A system approach"Morgan system approach"Morgan Kaufmann Pbulishers, Inc., ISBN: Kaufmann Pbulishers, Inc., ISBN: 1-55860-368-91-55860-368-9 Available at Available at

http://www.amazon.com/http://www.amazon.com/ Search with ISBN numberSearch with ISBN number $74.95 + shipping cost < 10M Yen$74.95 + shipping cost < 10M Yen

篠田陽一訳 「篠田陽一訳 「 UNIX UNIX ネットワークプネットワークプログラミング 第ログラミング 第 22 版 版 Vol.1 Vol.1 」」トッパトッパンン ,,ISBN4-8101-8612-1ISBN4-8101-8612-1 Available to Available to 生協生協

HomeworkHomework

Register as a student at SOIRegister as a student at SOI Order a text bookOrder a text book Take ?? Lecture from SOITake ?? Lecture from SOI

Self IntroductionSelf Introduction

Students at WiscStudents at Wisc Students at KeioStudents at Keio Staffs at WiscStaffs at Wisc Staffs at KeioStaffs at Keio Staffs at NAISTStaffs at NAIST