Comp 343-001 Week 2 notes

Introduction to the textbook
Programming assignments

Assignment 1
    Chapter 1 exercises 1.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0
    Chapter 2 exercises 2.0, 3.0, 7.0
    Due Friday, Sept 12 (end of Week 3)


Why do packets have both an Ethernet header and an IP header?

    The IP header is for end-to-end deliverability, so we need that
    Do we also really need the Ethernet header?
    IP and Ethernet addresses both identify a destination. How are they different?

Homework 1

IP address network prefix v host portion; what this means for scalability

IP version of datagram forwarding
hierarchical routing
backbone


IP routing
    next_hop
    local delivery

IP addressing

1.11: DNS

1.12: Transport
    TCP goals
    TCP interface

1.13: Firewalls


Quick look at Chapter 9:

Ethernet learning algorithm

Ethernet spanning-tree algorithm

Chapter 3:

3.1: Spanning Tree  
3.2: VLANs
3.4: SDN

4.1: Radioland
4.2: Wi-Fi
    4.2.1: collision basics; link-layer ACKs
    4.2.2: rate scaling
    4.2.3: MIMO

4.2.4: Access points

    linssid demo (linux utility; runs as root; needs display access)

    4.2.5: security
    4.2.7: polling mode
    4.2.8: MANETs and mesh