Course Introduction

• Introduce self and TA
• Web site
• Assignment to send a picture and contact info
• Academic integrity policy
• Required background
• What is this class about?
  • How networks work: layered models; technology and algorithms pertinent to the various layers
  • Programming with networks: the socket API
• What do you want to learn from this class?
  • The recent DNS flaw: inner workings and exploits
  • TCP rate control: normal, ISP, rate limiting, ...
  • Packet sniffing techniques - wireshark
  • Vocabulary of networking
  • How do routers and addressing work?
  • Intranets
  • Wireless
  • BitTorrent
  • What is a switch vs what is a router?
  • (in)secure protocol implementation
  • Streaming media, QoS; why was BitTorrent a (claimed) threat to quality of service in some kinds of networks
  • TCP/IP
  • IPv6
  • Metropolity Area Networks and Mobile Ad hoc networks (MANs)