WClasses

CS 454 - Distributed Systems

An introduction to distributed systems, emphasizing the multiple levels of software in such systems. Specific topics include fundamentals of data communications, network architecture and protocols, local-area networks, concurrency control in distributed systems, recovery in distributed systems, and clock synchronization.

Prerequisites

CS350 or SE350; Honours Computer Science, Honours Data Science (BCS), BCFM, BSE students only.

Corequisites

None

Antirequisites

None

Offerings

Winter 2026 [1261]

Section	Class	Enrolled	Time	Days
LEC 001	5879	67 / 70	13:00 - 14:20	M,W
LEC 002	6046	60 / 70	10:00 - 11:20	M,W
LEC 003	8748	67 / 70	14:30 - 15:50	M,W

Fall 2025 [1259]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6677	66 / 70	14:30 - 15:50	T,Th
LEC 002	9173	64 / 70	16:00 - 17:20	T,Th

Winter 2025 [1251]

Section	Class	Enrolled	Time	Days
LEC 001	5962	66 / 70	11:30 - 12:50	M,W
LEC 002	6136	63 / 70	13:00 - 14:20	M,W
LEC 003	8811	58 / 70	08:30 - 09:50	M,W

Fall 2024 [1249]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6667	71 / 75	10:00 - 11:20	T,Th

Winter 2024 [1241]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5985	68 / 70	10:00 - 11:20	M,W
LEC 002	6168	68 / 70	13:00 - 14:20	M,W

Fall 2023 [1239]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6569	56 / 60	11:30 - 12:50	T,Th

Winter 2023 [1231]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6115	43 / 60	10:00 - 11:20	M,W	MC 4041	Khuzaima Daudjee
LEC 002	6332	43 / 60	11:30 - 12:50	M,W	MC 4041	Khuzaima Daudjee
LEC 003	9411	1 / 1

Fall 2022 [1229]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	7722	47 / 60	13:00 - 14:20	T,Th	MC 4040	Khuzaima Daudjee
LEC 002	11305	1 / 1

Winter 2022 [1221]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5983	55 / 60	13:00 - 14:20	M,W	DWE 2527	Samer Al Kiswany
LEC 002	6233	51 / 60	10:00 - 11:20	M,W	MC 2017	Samer Al Kiswany

Fall 2021 [1219]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6937	38 / 50	10:00 - 11:20	T,Th		Samer Al Kiswany
LEC 002	6949	27 / 50	11:30 - 12:50	T,Th		Samer Al Kiswany

Winter 2021 [1211]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 041	6034	45 / 50				Khuzaima Daudjee
LEC 042	6284	47 / 50				Khuzaima Daudjee

Fall 2020 [1209]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 041	6833	44 / 50				Khuzaima Daudjee
LEC 042	6845	42 / 50				Khuzaima Daudjee

Winter 2020 [1201]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5881	48 / 50	10:00 - 11:20	M,W	E2 1732	Khuzaima Daudjee
LEC 002	6136	50 / 50	11:30 - 12:50	M,W	E2 1732	Khuzaima Daudjee

Fall 2019 [1199]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	9055	46 / 50	13:00 - 14:20	T,Th	RCH 211	Samer Al Kiswany
LEC 002	9180	45 / 50	14:30 - 15:50	T,Th	RCH 211	Samer Al Kiswany
LEC 003	9683	2 / 1

Spring 2019 [1195]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3668	68 / 90	10:00 - 11:20	M,W	MC 2038	Samer Al Kiswany
LEC 002	3932	71 / 90	14:30 - 15:50	M,W	MC 1056	Samer Al Kiswany
TST 101	5091	139 / 180	16:30 - 18:00	F

Winter 2019 [1191]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5757	67 / 70	10:00 - 11:20	T,Th	PAS 2083	Khuzaima Daudjee
LEC 002	6025	69 / 70	11:30 - 12:50	T,Th	PAS 2083	Khuzaima Daudjee
LEC 003	9383	1 / 1

Spring 2018 [1185]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3558	60 / 60	10:00 - 11:20	T,Th	MC 2017	Khuzaima Daudjee
LEC 002	3830	60 / 60	11:30 - 12:50	T,Th	MC 2017	Khuzaima Daudjee

Winter 2018 [1181]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5814	57 / 60	11:30 - 12:50	T,Th	RCH 308	Khuzaima Daudjee
LEC 002	6092	56 / 60	14:30 - 15:50	T,Th	MC 4041	Khuzaima Daudjee

Spring 2017 [1175]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3557	79 / 80	11:30 - 12:50	M,W	MC 2034	Samer Al-Kiswany
LEC 002	3845	76 / 80	10:00 - 11:20	M,W	MC 2034	Samer Al-Kiswany

Winter 2017 [1171]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5547	59 / 60	11:30 - 12:50	T,Th	SJ1 3014	Khuzaima Daudjee
LEC 002	5831	60 / 61	10:00 - 11:20	T,Th	SJ1 3014	Khuzaima Daudjee
LEC 003	8596	1 / 1

Spring 2016 [1165]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3560	60 / 63	13:00 - 14:20	T,Th	MC 4021	Khuzaima Daudjee
LEC 002	3872	60 / 62	11:30 - 12:50	T,Th	MC 4040	Khuzaima Daudjee

Winter 2016 [1161]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	6090	53 / 60	10:00 - 11:20	M,W	RCH 207	Khuzaima Daudjee
LEC 002	6392	59 / 60	11:30 - 12:50	M,W	RCH 207	Khuzaima Daudjee

Spring 2015 [1155]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3630	60 / 60	10:00 - 11:20	M,W	RCH 306	Khuzaima Daudjee
LEC 002	3956	60 / 60	11:30 - 12:50	M,W	RCH 306	Khuzaima Daudjee

Winter 2015 [1151]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5878	53 / 60	11:30 - 12:50	M,W	MC 4041	Khuzaima Daudjee
LEC 002	6205	55 / 60	10:00 - 11:20	M,W	MC 4041	Khuzaima Daudjee
LEC 003	8779	1 / 1

Spring 2014 [1145]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3539	66 / 65	16:00 - 17:20	T,Th	MC 2035	Khuzaima Daudjee
LEC 002	4513	64 / 65	10:00 - 11:20	T,Th	MC 2038	Khuzaima Daudjee

Winter 2014 [1141]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5692	50 / 50	10:00 - 11:20	T,Th	MC 2035	Khuzaima Daudjee
LEC 002	6088	48 / 50	11:30 - 12:50	T,Th	MC 2017	Khuzaima Daudjee

Spring 2013 [1135]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3367	76 / 90	16:00 - 17:20	T,Th	MC 2038	Khuzaima Daudjee

Winter 2013 [1131]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5451	52 / 50	10:00 - 11:20	T,Th	MC 4058	Khuzaima Daudjee
LEC 002	7647	46 / 50	11:30 - 12:50	T,Th	MC 4058	Khuzaima Daudjee
LEC 003	8301	1 / 1

Spring 2012 [1125]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3413	79 / 80	16:00 - 17:20	T,Th	MC 2034	Khuzaima Daudjee

Winter 2012 [1121]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5242	69 / 70	14:30 - 15:50	T,Th	MC 2017	Bernard Wong

Fall 2011 [1119]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5126	50 / 55	11:30 - 12:50	T,Th	E2 1303	Khuzaima Daudjee

Spring 2011 [1115]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3303	78 / 80	11:30 - 12:50	T,Th	MC 2038	Maxwell Young

Winter 2011 [1111]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5211	57 / 60	14:30 - 15:50	T,Th	MC 4020	Noura Limam

Fall 2010 [1109]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5162	51 / 50	08:30 - 09:50	T,Th	MC 4060	Khuzaima Daudjee

Spring 2010 [1105]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	4714	73 / 75	16:00 - 17:20	T,Th	MC 2034	Khuzaima Daudjee

Winter 2010 [1101]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	5194	43 / 50	14:30 - 15:50	T,Th	RCH 211	David J Taylor

Fall 2009 [1099]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	4893	52 / 50	08:30 - 09:50	T,Th	MC 4042	Urs Hengartner

Spring 2009 [1095]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3158	57 / 60	14:30 - 15:50	T,Th	MC 4063	Issam Aib

Winter 2009 [1091]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	4430	53 / 75	13:00 - 14:20	T,Th	PHY 150	Khuzaima Daudjee

Fall 2008 [1089]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3770	46 / 60	08:30 - 09:50	T,Th	RCH 305	Urs Hengartner

Spring 2008 [1085]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2597	57 / 60	10:00 - 11:20	T,Th	MC 4042	Khuzaima Daudjee

Winter 2008 [1081]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3602	50 / 50	10:00 - 11:20	T,Th	MC 4041	Steve MacDonald
LEC 002	3460	49 / 50	13:00 - 14:20	T,Th	MC 4020	Steve MacDonald

Fall 2007 [1079]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3484	42 / 90	08:30 - 09:50	T,Th	MC 2054	Raouf Boutaba

Spring 2007 [1075]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2213	28 / 50	10:00 - 11:20	T,Th	MC 4042	Steve MacDonald
LEC 002	2316	44 / 50	13:00 - 14:20	T,Th	MC 4042	Steve MacDonald

Winter 2007 [1071]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3556	46 / 50	10:30 - 11:20	M,W,F	MC 4042	Urs Hengartner
LEC 002	3402	27 / 50	12:30 - 13:20	M,W,F	MC 4040	Urs Hengartner

Fall 2006 [1069]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3373	24 / 50	08:30 - 09:50	T,Th	MC 4042	Khuzaima Shabbir Daudjee
LEC 002	3455	51 / 50	11:30 - 12:50	T,Th	MC 4042	Khuzaima Shabbir Daudjee

Spring 2006 [1065]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2191	41 / 50	08:30 - 09:50	T,Th	MC 4042	Issam Aib
LEC 002	2309	51 / 50	11:30 - 12:50	T,Th	MC 4042	Nada Al Masri

Winter 2006 [1061]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3466	52 / 50	08:30 - 09:50	T,Th,M,C		Hao Chen
LEC 002	3293	58 / 50	16:00 - 17:20	T,Th,M,C		Khuzaima Shabbir Daudjee

Fall 2005 [1059]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3311	47 / 50	08:30 - 09:50	T,Th,M,C		Nada Al Masri
LEC 002	3443	58 / 50	11:30 - 12:50	T,Th,M,C		Nada Al Masri

Spring 2005 [1055]

Section	Class	Enrolled	Time	Days	Instructor
LEC 001	2192	30 / 50	08:30 - 09:50	T,Th,M,C	Youssef Iraqi
LEC 002	2324	42 / 45	11:30 - 12:50	T,Th,M,C	Steve MacDonald
LEC 003	2944	25 / 30	14:30 - 15:50	T,Th,R,C,H	Steve MacDonald

Winter 2005 [1051]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3431	54 / 50	08:30 - 09:50	T,Th,M,C		Martin Karsten
LEC 002	3247	53 / 50	11:30 - 12:50	T,Th,M,C		Martin Karsten

Fall 2004 [1049]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3307	54 / 50	11:30 - 12:50	M,W,M,C		Tamer Ozsu
LEC 002	3442	51 / 50	14:30 - 15:50	M,W,M,C		Tamer Ozsu

Spring 2004 [1045]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2090	56 / 60	08:30 - 09:50	T,Th,M,C		Tamer Ozsu
LEC 002	2225	51 / 50	11:30 - 12:50	T,Th,M,C		Tamer Ozsu

Winter 2004 [1041]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3307	44 / 45	11:30 - 12:50	T,Th,M,C		Tamer Ozsu
LEC 002	3103	43 / 45	08:30 - 09:50	T,Th,M,C		Tamer Ozsu

Fall 2003 [1039]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3229	46 / 60	11:30 - 12:50	M,W,R,C,H		Steve MacDonald
LEC 002	3368	36 / 60	14:30 - 15:50	M,W,M,C		Steve MacDonald

Spring 2003 [1035]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2212	47 / 60	08:30 - 09:50	T,Th,M,C		Martin Karsten
LEC 002	2351	62 / 60	11:30 - 12:50	T,Th,M,C		Martin Karsten

Winter 2003 [1031]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	4898	18 / 45	08:30 - 09:50	T,Th,M,C		David J Taylor
LEC 002	3712	42 / 45	11:30 - 12:50	T,Th,M,C		Martin Karsten

Fall 2002 [1029]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	3107	55 / 50	11:30 - 12:50	M,W,M,C		Tamer Ozsu
LEC 002	3262	41 / 50	14:30 - 15:50	M,W,M,C

Spring 2002 [1025]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	1940	62 / 60	08:30 - 09:50	T,Th,M,C		David J Taylor
LEC 002	2733	66 / 60	11:30 - 12:50	T,Th,M,C		Qiyan Li

Winter 2002 [1021]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2385	0 / 0
LEC 002	2386	46 / 45	11:30 - 12:50	T,Th,M,C		Tamer Ozsu

Fall 2001 [1019]

Section	Class	Enrolled	Time	Days	Location	Instructor
LEC 001	2903	57 / 60	11:30 - 12:50	M,W,M,C		Youssef Iraqi
LEC 002	4174	54 / 60	14:30 - 15:50	M,W,M,C		Youssef Iraqi

UW Flow Ratings

Liked: 58.70%

58.70%

Easy: 57.47%

57.47%

Useful: 64.69 %

64.69%

CS 454 leads to

CS 459 - Privacy, Cryptography, Network and Data Security