List of Topics
ECS 152B
W2006
Network Layer:
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-
-
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principles
o VC vs. Datagram
IP addressing structure, address allocation issues:
o Impact of address structure and understanding of why layer
2 does not scale without it (because it has a flat
structure).
o Class-ful model (class A, B, C, D), dotted decimal notation
o CIDR address allocation
o CIDR routing and masking
Mapping problems: IP fragmentation/reassembly, address resolution
(ARP), path MTU
Routing
o Intra-domain routing and inter-domain routing
o link-state vs distance vector approaches –
o RIP and OSPF
o BGP
ICMP
o Error and query
o Ping and Traceroute
Multicast
o IGMP
o Building multicast tree
 Source-based and group-shared trees
IPv6
Mobile IP
DHCP
NAT
Transport Layer:
- Principles and services
- Multiplexing and demultiplexing
- Connectionless vs. connection oriented
- UDP
o Functionality and format
o Applications
- Principles of reliable transmission
o Checksum, ack/naks, sequence number, windows, timer
o Stop-and-go, go-back-N, selective repeat
- TCP
o Services
o Segment structure
o Connection management
o Reliable data transfer
o Flow control
o RTT estimation
o Timers
-
o Delayed acks
TCP congestion control
o Principles
o Slow-start and congestion avoidance, AIMD
TCP delay analysis and throughput analysis
SCTP
Multimedia Applications
- delay, delay jitter, loss, and how to handle them in multimedia
applications
- streaming stored audio and video
- Real-time interactive application
- Protocols: RTSP, RTP, RTCP, SIP
Security
-
basic cryptography
authentication, integrity
key distribution and certification
access control
Introduction
- Layered architecture and main functionality of each layer
- Access network
- Delay and loss
Application layers
- FTP
- Mail application
- HTTP and web
- DNS
- NFS
- Content distribution
- Sockets
Final exam coverage:
Chpt. 1, 2, 3, 4 (excluding 4.3), 7.1-7.4, 8, and lecture notes.
The main focus will be on Chpt 3.5-3.8 and Chpt. 4, not covered in midterm.