| topic # | Topic | Reading | Homework | Slides |
| stack alternatives |
A physical layer alternative null-modem (not twisted-pair) cable
|
read -
textbook - p70 "56K Modems" |
serial communication and null-modem cable | |
| 2 |
A data link layer alternative ppp - point-to-point (not ethernet) protocol
|
read -
textbook -p76 PPP"
note - the PPP HOWTO. Don't read it! Do skim it. I call it to your attention because it is a substantial source on the subject for you to be aware of. |
exercise: ppp data-link protocol video, performing the exercise: video demo (50m) |
ppp protocol (static slides version)
ppp protocol (narrated lecture version 1h22m) |
| 3 |
A network layer alternative ipv6 (not ipv4) |
read - Forouzan section 5.5, pp. 149-152 on NAT
read - Forouzan chapter 26 "IPv6 Addressing" read - Forouzan chapter 27 "IPv6 Protocol" |
listen - Jim Kurose on The
Internet Protocol - NAT 0:00 - 7:25 - ipv6 7:25 - 20:49 exercise: exercise: |
|
| 4 |
A transport layer protocol udp (not ipv4) icmp (not ipv4) internet control message
protocol
(but not functionally "alternative" to tcp, does
not carry higher layer payloads)
|
read - Forouzan chapter 13 "Introduction to the Transport Layer" through p 391 read - Forouzan chapter 14 "User Datagram Protocol"
read - rfc 792 defining ICMP |
port behavior - used/open vs unused/closed | |
| 5 |
A transport layer alternative sctp - stream control transmission (not tcp) protocol |
|||
| 6 |
Application layer alternatives echo diagnostic protocol discard diagnostic protocol chargen diagnostic protocol |
exercise: enable diagnostic protocols exercise: |
||
| 7 |
An application layer alternative tftp - trivial file transfer (not http) protocol |
read - textbook section 21.2 about TFTP read - stop-and-wait's performance |
exercise: tftp |
tftp (static slides version)
tftp (narrated lecture version 1h7m) |
| 8 |
An application layer alternative dhcp - dynamic host configuration protocol |
|
||
| tcp 2nd look | transport: general - reliability | read - Forouzan chapter 13 "Introduction to the Transport Layer" |
listen - Jim Kurose on Principles
of Reliable Data Transfer, go-back-N and selective-repeat protocols;
timing marks 11:08-20:28 (10m) |
|
| 10 | transport: general - flow & congestion control | listen - Jim Kurose on Principles of Congestion Control (15m) | ||
| 11 | transport: tcp-specific - reliability | read - Forouzan chapter 15 "Transmission Control Protocol (TCP)" |
listen - Jim Kurose on Connection-oriented
Transport: TCP
(12m)
listen - Steve Gibson, Security Now! Episode #317 "TCP Part 1 - Getting Connected," timing marks 56:29-1:29:14 (33m)
do - tcp
interactive dataflow tracking
(cs70 review)
|
|
| 12 | transport: tcp-specific - flow & congestion control |
|
listen - Jim Kurose on TCP
Congestion Control
(22m)
listen - Steve Gibson, Security Now! Episode #325 "TCP Pt.3 - Necessary
Refinements," timing marks 36:13-1:11:04 (25m) listen - view - simulation, congestion avoidance phases (1m) |
tcp traffic control -static- -narrated (1h38m)- |
| 13 | socket API and types of sockets |
read - Forouzan chapter 17 "Introduction to the Application
Layer" As you read this chapter, study side-by-side the code for this foundation example, the "world's simplest client-server pair": - letter-upgrader server - letter-upgrader's client They exemplify the stucture of client and server programs through their use of the socket API. |
foundation example, tcp client and server (cs70 review) part1 (1hr 29m) part2 (25m) ("socket types" below stems from this) |
|
| protocol evolution | protocol evolution case study - spdy/http2 | from Google;s experimental spdy project to http2 | listen - http & spdy 24:38-1:13:45 from 3/2012 (49m) | |
| interesting technologies | ||||
| 16 | ssl/tls | read - Forouzan section 30.2 "Transport Layer Security" | ssl/tls | |
| 17 | Bridging | read - Forouzan section 3.5 "Connecting Devices" |
exercise: |
bridging (static slides version)
bridging (narrated lecture version 56m) |
| 18 | Tunneling | tunneling |
tunnels: general tunnels: ipip tunnels: ssh |
|
| 19 | proxy-arp | proxy-arp | ||
| 20 | packet injection | packet injection - hping | ||
| 21 | concurrent vs iterative servers |
backgrounder on fork/exec or, how processes get run timing marks 26:19-37:23 |
concurrent servers | |
| 22 | tcpdump filters | tcpdump filters | ||
| 23 | longest prefix match | resolving overlapping nets for routing | ||