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General Information

Time	:	MW 11:00am - 12:20pm
Location	:	OHE 100B
Instructor	:	Bill Cheng, Office Hours: MW 12:45pm - 1:45pm in SAL 342, E-mail: <bill.cheng@usc.edu> or <william@bourbon.usc.edu> (Please do not* send HTML e-mails. They will not be read.)*
TA	:	Leslie Cheung, E-mail: <lccheung@usc.edu>, Office Hours: Mon 2pm - 4pm in SAL 211
Grader	:	(none)
Midterm Exam	:	in class, Wed, 10/19/2005 (firm)
Final Exam	:	11am-1pm, Wed, 12/7/2005 (firm)
Newsgroup	:	A forum is setup on DEN for the purpose of students-to-students discussions.
Msg Archives	:	messages from Bill, messages from Leslie

Class Resources

Description	:	textbooks, topics covered, grading policies, additional resources, etc.
Papers	:	required and recommanded technical papers.
Lectures	:	slides from lectures in HTML, PostScript, and PDF formats.
Homeworks	:	(2-4 homeworks will be assigned.)
Projects	:	(please also see important information about the class projects below.)

News

(in reversed chronological order)

11/28/2005: The final exam will be held in OHE 100B. It is closed book, closed notes, and closed everything (and no "cheat sheet"). Also, no calculators, cell phones, or any electronic gadgets are allowed. Please bring a photo ID. Your ID will be collected at the beginning of the exam and will be returned to you when you turn in your exam. There will be assigned seating.
The final exam will cover the following topics:
- DEC-bit [Ramakrishnan90a]
  - queue length
  - fairness
  - power
  - efficiency
- RED [Floyd93a]
  - random drop
  - threasholds
- TCP throughput [Padhye98a]
  - bandwidth relationship with loss probabilities, segment size, and RTT
  - triple-dupack period
  - timeouts and limited advertised receiver window size
- TCP friendliness [Floyd99b]
  - bandwidth equation
  - UDP
- Freenet [Clarke02a]
  - unstructured DHT system
  - insertion
  - search
- Chord [Stoica01a]
  - structured DHT system
  - finger table
  - insertion
  - search
- integrated and differentiated services design issues [Shenker95a]
  - efficacy
- integrated services [Clark92a]
  - guaranteed, predicted, and best effort services
  - token buckets
  - FIFO+
- differentiated services [Clark98a]
  - RIO (Red with In or Out)
- differentiated services [Nichols99a]
  - premium, assured, and best effort services
  - two-bit diff-serv
  - border router profile meters
- network performance measurements [Paxson99b]
  - pathologies (reordering, duplication, corruption)
  - bandwidth (bottleneck BW vs. available BW)
  - loss (predictive?)
  - packet bunch (problems with packet pair)
- wireless & mobile
- mobile IP [Johnson96b]
- media access for wireless LAN [Bharghavan94a]
  - hidden terminal
  - exposed terminal
  - back-off
- snoop [Balakrishnan95b]
  - operation of snoop
- dynamic source routing in ad hoc wireless networks [Johnson96c]
  - DSR route discovery and route maintenance
- sensor network [Intanagonwiwat00a]
  - directed diffusion
  - data-centric communication
- IP multicast [Deering88b]
  - composed of a service model, IGMP, and multicast routing protocols
  - MBone and tunnels
- DVMRP, MOSPF
  - flood and prune in DVMRP
  - receivers floods in MOSPF
- PIM [Deering96a]
  - shared tree vs. source tree
  - sparse mode vs. dense mode
  - core/center/rendezvous point
- Single-source Multicast [Holbrook99a]
- Scalable Reliable Multicast [Floyd97c]
  - sender reliable vs. receiver reliable error detection
  - NACK implosion
  - retransmission
- Class project
  - final project

10/13/2005: The midterm exam will be held in OHE 100B. It is closed book, closed notes, and closed everything (and no "cheat sheet"). Also, no calculators, cell phones, or any electronic gadgets are allowed. Please bring a photo ID. Your ID will be collected at the beginning of the exam and will be returned to you when you turn in your exam. There will be assigned seating.
The midterm exam will cover the following topics:
- Networking basics
  - CIDR
  - NAT
- Internet design issues [Clark88a]
- End-to-end argument [Saltzer81a]
- IP (protocol hourglass) [Deering98a]
- Naming & binding [Saltzer82a]
- Unicast routing
  - distance vector
  - link state
- Interdomain routing (BGP)
  - BGP messages
  - BGP attributes and policy routing
  - EBGP vs IBGP
  - multihoming
- Delayed convergence [Labovitz00a]
- ISP peering [Norton01]
- Landmark routing [Tsuchiya88a]
- TCP
  - SYN & 3WH
  - FIN
  - RTT & RTO
- TCP congestion control [Jacobson88a]
  - slow start
  - congestion avoidance
  - fast retransmit
- TCP Tahoe, Reno, New Reno, TCP SACK [Fall96a]
  - fast recovery
  - New Reno partial ACK
  - TCP SACK
- Queue management
- Fair queueing & weighted fair queueing [Demers89a]
  - arrival time
  - start time
  - finish time
- Class project
  - final project part (1)

8/31/2005: Since we are not getting a grader, I've decided that homework assignments will not be graded. The 5% of the total grade that was assigned to HWs is now moved to the midterm exam:

Homeworks:		0%
Projects:		35%
Midterm Exam:		30%
Final Exam:		35%

8/3/2005: Registering with the class mailinglist is required for this class because you must get your port assignments. If you have not done so, please visit the mailinglist page. (You do not have to be registered for the course to register with the class mailinglist.)

8/3/2005: There is another section of CSCI 551 (on MW afternoon). It is offered by Prof. Ramesh Govindan.

8/3/2005: Watch this area for important announcements.

Prerequisites

CSci402: Operating Systems.
EE 450: Introduction to Computer Networks.
Qualify for a D-clearance. Please read the Placement Exam Instructions carefully and make sure that you have filled out the Pre-registration Form.

Important Information about the Class Projects

The class projects will take more than 5,000 lines of C/C++ code to be developed on a UNIX environment. No other programming language will be accepted and your program must compile and run with a Makefile on nunki.usc.edu. (Sorry, no Java.) You must be familiar with the UNIX development environment (vi/pico/emacs, cc/gcc or g++/CC, make, etc.)

If a student signs up late for this class, he/she is still required to turn all projects and homeworks on time or he/she will receive a score of 0 for these assignments. No exceptions!