INLS 184: Protocols and Network Management
Spring 2005
Tues/Thus, 6-7:15PM Manning 307
Instructor: Jim Gogan (jim_gogan@unc.edu)
Office: 111A Abernethy Hall 962-1621
Tentative Schedule:
13-Jan What are Networks? (actual PowerPoint file: firstclass.ppt)
(Week 1) Standards: So Many to Choose From, So Little Time .....
18-Jan/1-Feb Network Layering
(Weeks 2-4) Physical/Link/Network Layer Management - The Old Way
Link Layer Protocols: Ethernet
Assignment #1
8-Feb Repeaters and Bridges
(Week 5) Network "Performance"/NetPerf tool (Windows client: netperf.exe)
15-Feb Other Link Layer Protocols: Token Ring, FDDI, ATM, WANs, 802.11 Wireless
(Week 6)
Assignment #2
22-Feb Network Protocols: TCP/IP
(Week 7) (Internet Timeline slides)
PROJECT!!!
1/8-Mar Network Protocols: TCP/IP (cont.) - IP/UDP packet headers
(Week 8/9) and TCP packet headers
MIDTERM!!!
22-Mar VLANs/802.1q
(Week 11)
29-Mar Routers and Routing Protocols
(Week 12)
Assignment #3
5-Apr Quality of Service: 802.1p and DiffServ;
(Week 13) IP Multicast (IGMP and IP multicast routing protocols); IPX and AppleTalk network protocols
12-Apr IP Multimedia (Voice/Video over IP) standards
(Week 14) Application Services: TCP/IP (Telnet, FTP, SMTP)
19-Apr Security Issues; Novell and Microsoft Services
(Week 15)
Assignment #4
26-Apr Network Management: "Systems" Approach (SNMP);
(Week 16a) Policy Management
28-Apr Misc. Network Troubleshooting and Performance Analysis issues
(Week 16b) (last class)
- END OF SEMESTER -
What We'll Cover:
What Are Networks?
ISO and IEEE Standards and Specifications
Review of the OSI Model
IEEE 802 Committees and Standards
Network Management - The Old Way
Physical Layer: Cable Management Tools
Network Layer
Protocol Analyzers
Link Layer Protocols
802.2 Logical Link Control
Ethernet/IEEE 802.3
Token Ring (IEEE 802.5)
FDDI (ANSA X3T9.5)
Wireless (IEEE 802.11)
Other LAN Protocols: LocalTalk, ATM
WAN Protocols
SONET
Frame Relay
ATM
Measuring "Performance"
Repeaters, Bridges, Routers, and Gateways
Repeater Rules
Bridging Standards/Approaches
Transparent
Spanning Tree
802.1d
Network Protocols
TCP/IP
IP
UDP and TCP
Addressing: ARP, BOOTP, DHCP
Error Reporting: ICMP
NetWare IPX/SPX
AppleTalk
Repeaters, Bridges and Routers
Routing Protocols
TCP/IP: RIP, OSPF, BGP, ProxyARP, CIDR
NetWare IPX/SPX: RIP, NLSP
AppleTalk: RTMP, AURP
"Virtual LANs"/VLANs - 802.1Q, proprietary implementations
Summary of Protocol Characteristics and Performance Issues
Application "Protocols"
TCP/IP
Telnet, FTP, SMTP, NFS/AFS, HTTP
Networked Multimedia (Audio and Video over IP; H.323; SIP)
QoS/CoS/DiffServ issues: 802.1p, DiffServ, RSVP
Network Managerment
"Systems" Approach
SNMP
Miscellaneous Network Troubleshooting/Performance Tools
Software Tools (IP): ping, netstat, traceroute, netperf
Reading Assignments:
Weeks 1&2:
Local Area Networking:
- Comer book, Chapter 1, "Introduction"
OSI Reference Model:
- Perlman, Chapter 1 of Interconnections/"Essential Networking Concepts" (on reserve)
- somewhat more straightforward presentation of OSI
- note: "1.4 Reliable Data Transfer Protocols"
- Comer book, Chapter 16, "Protocols and Layering"
- best summary of "layering" (and maybe the last time
you'll have to read about the OSI 7-layer model for
this course)
Standards:
- Malamud, "Who Owns Standards?" (on reserve)
- helps to clarify definition of "standards"
- note the different groups involved in standards process
Weeks 2-4:
Network Management/Physical Layer:
- Comer book, Chapters 4, "Transmission Media", and 7, "Packets, Frames, and Error
Detection" (ALSO SKIM - very quickly - Chapters 5, "Local Asynchronous
Communication" and 6, "Long-Distance Communication" but
read section on Wave Division Multiplexing)
Link Layer Protocols (LLC, Ethernet):
- Perlman, Chapter 2 of Interconnections/"Data Link Layer Issues" (on reserve)
- skip sections offset by vertical bars
- Metcalfe (on reserve)
- the original paper on "Ethernet" (note speed then)
- how much has changed since then (1976)?
- Comer book, Chapters 8-10 ("LAN Technologies and Network Topology", "Hardware Addressing and Frame Type Identification", and "LAN Wiring, Physical
Topology, and Interface Hardware")
- touches on most major link layer technologies
- Chappell book (on reserve), Chapters 1-5
- Chap. 5 is useful for most Ethernet problems
- "The Ethernet Page" (www.ethermanage.com/ethernet/ethernet.html):
BROWSE; look thru FAQ
Week 5:
Bridges and Associated Issues:
- Perlman book: Interconnections: Bridges and Routers (on reserve)
- pp 43 - 55: up to but not including Section 3.3.1;
important concepts!
- pp 77 - 83: think about how bridges can affect network performance;
also think about why you would want to use a filter
- pp 83 - 85: remote bridges are used over "wide area networks" -
where you pay phone company for use of lines
- pp 99 - 103: how token-ring nets do bridging (IMPORTANT NOTE:
source ROUTE bridges are BRIDGES, not ROUTERS); SKIM thru!
- Comer book: Chapter 11, "Extending LANs"
- Molle article (on reserve): skim pp 65-68; concentrate on 69-72
(starting with Packet Switching)
Network Performance Issues:
- Comer book, Chapter 15, "Network Characteristics: Ownership, Service Paradigm, and Performance"
- Boggs et al article (on reserve): classic article
Week 6:
Link Layer Protocols (Token Ring, FDDI, ATM, WAN):
- Comer book, Chapters 12, "Long-Distance Digital Connection Technologies";
13, "WAN Technologies and Routing"; and 14, "Connection-Oriented Networking
and ATM" (note: this chapter is not in 2nd ed.)
- Chappell book (on reserve), Chapters 6-12
- full description of token-ring: SKIM,
but make sure you understand the concept of how it works
- Partridge (on reserve)
- description of cell-based technology and basics of ATM
Week 7:
TCP/IP: "The Complete Protocol /for Innovative Purposes" (feeble attempt at humor)
- RFCs on Internet Architecture Principles:
RFC 1958: Architectural Principles of the Internet
RFC 3426: General Architectural and Policy Considerations
RFC 3439: Some Internet Architectural Guidelines and Philosophy
- Comer book:
Chapter 17, "Internetworking: Concepts, Architecture, and Protocols":
- overview of internetworking and Internetworking
Chapter 18, "IP:Internet Protocol Addresses":
- Internet Addresses: IMPORTANT!!!!
Chapter 19, "Binding Protocol Addresses (ARP)":
- relationship of Internet address to the hardware address
Chapter 31, "Naming with the Domain Name System":
- how do Internet names relate to numeric addresses?: SKIM
Chapter 41, "Initialization (Configuration)":
- how does a machine get an Internet address?
Week 8:
TCP/IP: The Fun Continues
- Comer book:
Chapters 20, "IP Datagrams and Datagram Forwarding"; 21,
"IP Encapsulation, Fragmentation, and Reassembly";, and 22,
"The Future IP (IPv6)": IP layer
Chapters 24 and 25, “UDP: Datagram Transport Service” and "TCP: Reliable
Transport Service”
- Stevens book:
Chapter 3: IP layer
Chapter 11: UDP layer
Chapters 17-24: TCP layer
- Allman and Falk (on reserve) "On the Effective Evaluation of TCP"
- ANY ONE of the following (you can read all if so inclined):
+ Paxson (on reserve) "Automated Packet Trace Analysis of TCP Implementations"
+ RFC 2525: Known TCP Implementation Problems
+ Padhye and Floyd (on reserve) "On Inferring TCP Behavior"
Week 9:
Troubleshooting TCP/IP Problems:
- what you hadn't finished in the above assignments
- Stevens book: Chapters 6-8
- Comer book: Chapters 2, "Motivation and Tools" and 23, "An Error Reporting
Mechanism (ICMP)"
- Bellovin article (on reserve): things to watch for
Week 12:
Routing and Routing Protocols:
- Perlman book (on reserve)
pp 205-221: don't spend a lot of time on the details of Link State
routing - just get a feel for the basic concept
pp 265-268: discussion of RIP
pp 289-306: discussion of OSPF - just browse through pp 297-306
- Stevens book: Chapters 9 and 10
- Comer book: Chapter 27, "Internet Routing" (not in 2nd edition)
- Chappell book (on reserve), Chapter 18
- Paxson (on reserve), "End-to-End Routing Behavior in the Internet"
Week 13:
Multicasting:
- Stevens book: Chapters 12 and 13 (IGMP)
NetWare (IPX and more):
- Chappell book (on reserve), Chapter 14: IPX and SPX
AppleTalk:
- Tittle/Smith article (on reserve)
Week 14:
TCP/IP Application Protocols:
- Comer book:
Chapter 33, “IP Telephony (VoIP)”
Chapters 28, "Client-Server Interaction" and 29, "The Socket
Interface" (SKIM): concepts of client-server interactions
and sockets
Chapter 34, "File Transfer and Remote File Access": FTP and NFS
Chapter 32, "Electronic Mail Representation and Transfer": SMTP and MIME (e-mail)
Chapter 35, "World Wide Web Pages and Browsing": Web stuff (HTTP, HTML)
- Stevens book (optional):
Chapter 26: Telnet
Chapter 27: FTP
Chapter 28: SMTP
Week 15:
Network Security:
- Comer book: Chapter 40, "Network Security"
Week 16:
Network Management (SNMP - Simple Network Management Protocol):
- Comer book: Chapter 39, "Network Management (SNMP)"
Course
Materials:
Required
Texts:
·
Comer, Douglas E., Computer Networks and
Internets (Fourth Edition)
Articles
on Reserve:
·
Allman, Mark and Falk,
Aaron. "On the Effective Evaluation of TCP", Computer Communication
Review, October 1999, pp 59-70
·
Bellovin, Steven M.
"Packets Found on an Internet", Computer Communication Review, July
1993, pp 26-31
·
Boggs, David R., et al. "Measured
Capacity of an Ethernet: Myths and Reality", SIGCOMM '88 SYMPOSIUM:
Communications Architectures and Protocols), 1988, pp 222-233
·
Floyd, Sally and Fall, Kevin, "Promoting the
Use of End-to-end Congestion Control in the Internet", IEEE/ACM
Transactions in Networking, August 1999, pp 458-472
·
Malamud, Carl
"Who Owns Standards?", Stacks, pp 217-236
·
Metcalfe and Boggs, "Ethernet: Distributed
Packet Switching for Local Computer Networks", Innovations in
Internetworking, p. 25
·
Molle, Mart, et al.
"100Base-T/IEEE 802.12/Packet Switching", IEEE Communications
Magazine, August 1996, pp 64-73
·
Padhye, Jitendra and Floyd, Sally. "On Inferring TCP
Behavior", Computer Communication Review, October, 2001, pp 287-298
·
Partridge, Craig. "An Introduction to Cell
Networking" and "Asynchronous Transfer Mode" from Gigabit
Networking, 1994, pp 43-87
·
Paxson, Vern.
"Automated Packet Trace Analysis of TCP Implementations", Computer
Communications Review, Oct 1997, pp 167-179
·
Paxson, Vern.
"End-to-End Routing Behavior in the Internet", IEEE/ACM Transactions
on Networking, Oct 1997, pp 601-615
·
Perlman, Radia "Essential Networking Concepts", Interconnections:
Bridges and Routers, 1992, pp 1-18
·
Perlman, Radia "Data Link Layer Issues", Interconnections:
Bridges and Routers, 1992, pp 19-41
·
Tittle, Ed and Smith,
Dave. "Back to Basics: AppleTalk", ConneXions,
July 1995, pp 2-14
Books
on Reserve:
·
Chappell, Laura and Hakes, Dan - Novell's Guide
to NetWare LAN Analysis (Second Edition)
·
Perlman, Radia - Interconnections: Bridges and Routers
·
Peterson, Larry and Davie, Bruce - Computer Networks: A Systems
Approach
·
Roese, John J. -
Switched LANs
·
Stevens, W. Richard., TCP/IP Illustrated, Volume
1: The Protocols
Grading:
·
Major
Project: UNC-CH Departmental Network Review (35%) - team project
·
Mid-Term (35%)
·
Variety of "Protocol Analysis" Assignments
(30%)
Other
Neat Stuff:
Relevant
USENET Newsgroups:
·
comp.dcom.lans
·
comp.dcom.lans.ethernet
·
comp.dcom.net-analysis
·
comp.dcom.net-management
·
comp.dcom.sys.cisco
·
comp.dcom.videoconf
·
comp.dcom.cabling
·
comp.protocols.snmp
·
comp.protocols.tcp-ip
·
comp.protocols.tcp-ip.ibmpc
·
comp.os.ms-windows.networking
·
comp.os.ms-windows.networking.tcp-ip
Useful
Journals:
·
Computer Communication Review (publication of
the ACM Special Interest Group on Data Communication): http://www.acm.org/sigcomm/ccr/archive/index.htm
·
IEEE Network
·
IEEE Communications
·
IEEE Internet Computing
·
IEEE/ACM Transactions on Networking: http://www.acm.org/pubs/contents/journals/ton/
·
Network Magazine (merged with Data
Communications) (free)
·
InternetWeek (free): http://www.internetwk.com/
·
Network Computing (free): http://www.networkcomputing.com/
·
Network World (free): http://www.nwfusion.com/
·
Black Box Catalog (free): http://www.blackbox.com/
April 13, 2005
