Course Information

Data Communication TF ht96

1. Introduction

The subject data communication include architectures, design methods and implementation techniques for the exchange of data in between computers in computer networks.

The importance of computer networks has increased dramatically with the recent wide spread usage of the Internet and the World Wide Web. Knowledge of data communication is necessary for the design of personal telecommunication systems, remote data base systems, distributed systems and other cooperating computer systems.

The objective with this course is to introduce, study and to discuss the main issues in data communication. It will include layered communication architectures, transmission techniques, protocol design, network organization, implementation techniques and user-to-user data exchange principles. The course has practical assignments on protocol design and implementation.

Prerequisites

The course participants must have passed the following courses, or have corresponding knowledge to Computer Architectures, Operating Systems and basic knowledge about Unix and C.

Instructors

Per Gunningberg (PG), lectures(see schedule)and course responsible. Office 1437, telephone 018 - 18 31 71, email: perg@docs.uu.se .
Eric Malmström (EM), lectures (see schedule). Telphone: 08 - 619 32 34, mobil 0708 - 19 32 34, email: eric.malmstrom@global-one.se .
Jochen Schiller (JS), lectures, (see schedule). Office 1457, telephone 018-183174, email schiller@docs.uu.se
Björn Knutsson (BK), course assistant, lab instructor (see schedule).
Office 1310, telephone 018 - 183162, email:bjorn@docs.uu.se .
Jesper Jonsson, course assistant.
Mail box no: 95, email:jojo@docs.uu.se .

Contact with the teachers is preferably done via data communication means, ie via electronic mail.

Course home page and news

The course has a World Wide Web home page: http://www.docs.uu.se/~perg/course/datakom/tf96/index.eng.html. News, some lectures notes, assignments, result announcement and other course related information will be announced on the page besides ordinary class room announcements. It is assumed that all students regularly are reading this page. Results from exams and assignments can only be reached from computers at Polacksbacken.

Text book and other literature

Tanenbaum A., Computer Networks,Third Edition, Prentice-Hall 1996.
Björn Knutsson Kommunikation via UDP sockets1996.
Björn Knutsson Krav pa program och dokumentation1996.

Recommended reference literature

Stevens R., TCP/IP Illustrated. Vol. I and II, Addison Wesley
Stevens R., Unix Network Programming, Prentice Hall
Halsall, F., Data Communication, Computer Networks and Open Systems, Addison Wesley, III edition.
Stalling, R., Data Computer Communications, IV edition, McMillan.

Additional course material

The text book will be complemented with additional papers, lecture notes, assignments etc. This material will either be for sale by Magnus Berggren, room 1403, or distributed in class. A course binder (kurspärm) with one copy of all the material will be available at the DVP expedition (room 1406) for copying.

Schiller, J., Course Notes: Datakommunikation I Introduction and Lower Layers, for sale by Magnus Berggren, room 1403. It includes the SDL assignment as well as the article: Belina F., Hogrefe D., The CCITT-Specification and Description Language SDL, Computer Networks and ISDN Systems 16, sid. 311-321, 1988/89.

Assignments

The course has the following assignments:

The Alternating Bit Protocol in SDT
Client/Server programming in Unix

The assignments are done in groups of two (or one) students at scheduled laboratory times. The main part of the Client/Server programming assignment must be carried out outside scheduled time.

Lab reports are given directly to the course assistant Jesper Jonsson, preferebly dropped in his department mailbox no 95, house one, level four. The assignment will be graded and will be given bonus points if they are turned in in time. Corrected assignments can be found outside the DVP expedition at level 4, house 1 and the grade can be found in the in the result file.

Deadlines for the assignments can be found below. Any changes in deadlines are announced on the home page. Assignments turned in later will be corrected and graded sometime before 31/8 1997. At that date the bonus points will expire and the assignments will not be valid anymore. A student that fails to meet the deadline must register again for a new course instance.

Examination

The course grade is given by:

Written exam. (Ordinary exam is October 18, 1996, 8-14 at PostScriptum.).
Mandatory assignments (The turned in assignments must be of passing quality).

Maximum course points is 100. The points are given according to the following preliminary distribution:

At most 3 points for the Alternating Bit Protocol assignment. Deadline for bonus is 1996-09-27, 1700
At most 12 points for the Client/Server assignment. Deadline for bonus is 1996-10-28, 1700.
At least 85 points for the written exam.

Preliminary, the course grade 3 requires at least 55 points, grade 4 at least 65 points and for grade 5, 75 points or more. Note that it is difficult to pass the course unless the assignments are done in time.

Result announcements

All results will be announced in the result file, which can only be locally accessed at Polacksbacken.

Cheating

At other instances of this course a few students have been cheating with mandatory assignments. Because of this we want to stress that these assignments must be solved individually or in groups of two students. All participants in a group are assumed to be able to present and explain the groups solutions to the instructors. The assignments represents an important part of the course and we have earlier reported all suspected cheatings to rector magnificus. The Högskoleförordningen is clear on this point:

Paragraf 1: Disciplinär åtgärd får vidtas mot student som ... med otillåtna hjälpmedel eller på annat sätt försöker vilseleda vid prov eller när studieprestation ska bedömas.

...

Paragraf 9: Grundad misstanke om sådan förseelse som anges i Paragraf 1 skall skyndsamt anmälas till rektor.

Preliminary lecture plan

The lectures are divided into different categories:

(F) Lectures (PG, JS, EM)
(U) Preparation for the assignments (BK, JJ)

All class rooms are at Polacksbacken. The first digit represents the building, for example 1=Infanteristen/DoCS, 2=Matematikum, 6=Rullan and 8=Sjukan/Reglerteknik. Room numbers 2001-2005 refer to Angstromslaboratoriet. The second digit represents the level.

Category	Instructor	Date	Time	Room	Literature	Content
F1	PG, JS	4/9	8-10	1213	Tan-1	Introduction, Why Communication. Computer Networks.
F2	JS	6/9	8-10	2146	Tan-1	Communication Models, Layering, Architectures, Protocols, Services, andStandards.
F3	JS	10/9	8-10	2005	Tan-2	Transmission and physical media.
F4	JS	11/9	8-10	1311	Tan-3	Data Link Layer. Framing, Error correctionand Flow control.
F5	JS	12/9	8-10	2005	Tan-3, B&H.	Formal Methods. Finite State Machines, SDL. Assignment.
F6	JS	13/9	8-10	2005	Tan-4	Multiplexing. Media Access protocols
F7	EM	16/9	8-10	2146	Tan-5	Networking Layer, Bridges, Roters. Routing. DNS
U1	BK	16/9	13-17	1411/2	Ass	Lab. time
F8	EM	17/9	8-10	2247	Tan-5	Internetworking, Internet, IPv4, & IPv6
U2	BK	17/9	15-17	1411/2	Ass	Lab. time
F9	EM	18/9	8-10	1111	Tan-5	Internetworking, Internet, IPv4, & IPv6
F10	EM	19/9	8-10	2001	Tan-5	BGP, OSPF, ARP, RARP, ICMP, PPP
F11	EM	20/9	8-10	1211	Tan-6	Transport layer, TCP, UDP
F12	EM	23/9	8-10	1211	Tan-6	TCP continued. FTP & Telnet.
F13	PG	24/9	8-10	2005	Tan-2-6	ATM networks, Service contracts, and congestion control.
Deadline	BK	27/9	17	NA	Tan-1	SDL Assignmnet
F13	BK	27/9	10-12	1311	DOSarticle, Stevens,Tan	Client/Server, Protocol Implementations, Berkely Unix Network programming.Higher layer protocols.
F14	PG	30/9	8-10	2146	Tan-2-6	ATM and Adaptation Layers
U3	BK,JJ	30/9	15-17	1411/2	Ass	Client/Server Ass.
U4	BK,JJ	1/10	13-17	1411/2	Ass	Client/Server Ass.
F15	PG	2/10	10-12	2247	Tan-7	Email, RFC 822, MIME, PGP, World Wide Web, HTTP.
F16	PG	4/10	10-12	Aulan	Tan-7	Datacom research: Deadlock problems in ATM/TCP
F17	PG	16/10	10-12	2146	Tan	Study visit to UDAC. Repetition and old exams
Exam	PG	18/10	8-14	NA	NA	PostScriptum.
Deadline	NA	28/10	17	NA	NA	Assignment: Client/Server
Deadline	NA	31/8	17	NA	NA	Assignmentsts and bonus points expires.

Reading directions

The following chapters in Tanenbaum Other literartures should be read completely or otherwise according to recommendations in class.

*Chapter*	*Pages*	*Content*	*Comments*
1	1-55	Introduction	Read All.
	47-72	Network standardization	Read for fun.
2	77-81	Theoretical basis	Read all
	94-102	Wireless transmission	Skip
	102-113, 118-124, 155-163	Telephone system	Ericsson expects you to know this.Basic stuff,easy reading Not included in the course.
	114-118	RS 232, RS 449	Basics about your modem. Not included in the course, but....
	140-147	ISDN services	Read All
3	175-229	Data Link Layer	Fundamental. Read careful.
	229-235	SLIP and PPP	Basic about PPP. For additional information, see Stevens book.
4	243-260	Medium acces protocols	Read all.
	266-271, 157-163	About your GSM phone.	Not in the course, but good to know when your non-technical friend asks.
	275-301	LANs &MANs	Read all.
	304-324, 334	Bridges, Routers & High Speed Networks	Read all.
5	339-367	Network Layer, routing,	Skip mobile and multicast routing.
	374-386	Congestion Control	Read all.
	396-412	Internetworking,	Read all.
	412-474	IP and protocols, ATM	Skip: 432-434.
6	479-542	Transport Layer and TCP	Read all.
	542	UDP	Bare bones, but important. Needed for the assignment.
	545-555	ATM Adaptation Layers	Read all.
7	622-630	DNS	Careful reading. Needed for the assignment.
	643-667	Email, MIME, PGP	Read all.
	669-680	Usenet	Not included in the course, but good reading.
	681-695	WWW and HTTP	Read all.
	695-718	HTM, Java and Security	Read yourself if you do not alrady know it. Will not be tested on the exam.
	723-761	Multimedia	Datacom II stuff. Not included