Network Operating Systems

1
Network Operating Systems

• Organizational Communications and Technologies
• Prithvi N. Rao
• H. John Heinz III School of Public Policy and
  Management
• Carnegie Mellon University

2
Readings

• High Speed and Wireless LANs(Stallings and van
  Slyke) Class Notes

3
Objectives

• List several popular network operating systems
• Cite features of a network operating system
• Recognize services provided by NOS
• List several client/server NOS
• List several peer-to-peer operating systems

4
Network Operating Systems

• Fundamental function of network (review)
• File transfer
• Remote program execution
• Virtual terminal service
• NOS service layers more flexible
• Common elements of NOS
• Support for multiple station access
• Data integrity features (transaction, security)
• Provide shared access to network resources

5
Network Operating Systems

• Client/Server
• Novell Netware
• Microsoft LanManager
• Microsoft WindowsNT
• Banyan Vines
• Peer-to-peer
• Novel Netware Light
• Artisoft Lantastic
• Appletalk
• Windows for Workgroups

6
Comparison of OSI and LAN Manager
OSI
LAN Manager
Application
Redirector
Named Pipes
Server Message Block (SMB)
Presentation
NetBios
Session
Transport
NetBios Extended User Interface (NetBEUI)
Transmission Control Protocol / Internet Protocol
(TCP/IP)
Network
DataLink
Network Driver Interface Specification
(NDIS) Network Drivers, 802.x Specifications
Physical
802.x Specifications
7
Comparison of OSI and Novel l Netware
OSI
Netware
Service Advertising Protocol (sap)
Application
Network Loadable Module (NLM)
Presentation
Netware Core Protocol (NCP) Operating
System Connection Mgmt.
Session
NETBios SPX Sequence Package Exchange
Novell Virtual Terminal (NVT)
Transport
Internetwork Packet Exchange (IPX) Routing
Information Protocol (RIP)
Network
802 Specification Token Ring,
Ethernet, ARCnet, Appletalk
Multiple Protocol Interface (MPI) Link Support
Level (LSL) Multiple Link Interface Driver (MLID)
Data Link
Physical
Media
8
Comparison of OSI and Vines
OSI
VINES
VINES File System
VINES Services (Printing and apps)
Application
Presentation
NetRPC
Service Msg Blk (SMB)
Session
Socket Interface
VINES Interprocess Communication Prot (VCIP)
Transmission Control Prot (TCP)
Sequence Packet Protocol (SPP)
User Datagram Protocol (UDP)
Transport
VINES Internet Protocol (VIP) VINES Internet
Control Protocol (ICP) VINES Address Resolution
Protoclol (ARP) VINES Routing Update Protocol
(RTP)
Internet Protocol (IP)
Network
X.25
VINES Fragmentation Protocol (FRP)
DataLink
X.25 HDLC
Network Drivers
NDIS
Physical
802.x Specifications, X.25 network connection
9
Comparison of OSI and Windows-NT
OSI
Windows-NT
t
Redirector, Requestor
Named Pipes TLI Socket Interface
Application
Presentation
Service Message Block (SMB) Windows Presentation
Manager
Session
NetBIOS
Transport
Transmission Control Protocol TCP/IP
NetBIOS Extended User Interface (NetBEUI)
Network
Network Driver Interface Specification
(NDIS) Network Drivers, 802.x Specifications
DataLink
Physical
802.x Specifications
10
Comparison of OSI and Netware Lite
OSI
Netware Lite
Service Advertising Protocol (SAP)
Application
Network Lite Applications
Presentation
Netware Core Protocol (NCP) Operating
System Connection Management
Session
NetBIOS Sequence Packet Exchange (SPX)
Transport
Internet Packet Exchange
(IPX)
Network
Link Support Layer (LSL) Multiple Link Interface
Drivers (MLID)
802.x specifications Token Ring, Ethernet ARCnet,
Appletalk
DataLink
Physical
Media
11
Comparison of OSI and Appletalk
OSI
Appletalk
Appleshare Print Services Postscript
Application
Appleshare File Svcs
Presentation
Appletake Filing Prot
Appletalk Session Protocol (ASP) Zone Information
Protocol (ZIP)
Printer AccessProtocol (PAP)
Appletalk Data Stream
Session
Routing Table Maintenance Protocol
(RTMP) Appletalk Echo Protocol (AEP) Appletalk
Transaction Protocol Name Binding Protocol
Transport
Network
Datagram Delivery Protocol (DDP)
Token Talk Link Access Protocol (TLAP) EtherTalk
Link Access Protocol (ELAP)
LocalTalk Link Access (LLAP) LocalTalk Hardware
DataLink
802.x
Physical
12
Comparison of OSI and TCP/IP Systems
OSI
TCP/IP
TFTP. BOOTP, NFS-XDR-RPC SNMP
SMTP, FTP,TELNET
Application
Presentation
Universal Datagram (UDP)
Session
Transmission Control (TCP)
Transport
Internet Protocol (IP) Internet Control Message
Protocol (ICMP) Internet Gateway Message Protocol
(IGMP) Address Resolution Protocol (ARP) and
Reverse ARP (RARP)
Network
DataLink
Ethernet - II
Token Ring
Physical
Media
13
Comparison of OSI and Windows for Workgroups
OSI
Windows for Workgroups
Windows Applications
Application
MS-Windows
Presentation
MS Windows Presentation Manager
Session
NetBIOS
Transport
NetBIOS Extended User Interface (NetBEUI)
Network
DataLink
Network Driver Interface Specification
(NDIS) Network Drivers, 802.x Specifications
Physical
802.x Specifications
14
Summary

• NOS provide logical communication support for
  LANs
• Provide application interface between user and
  network protocols, hardware and media
• NOS available from variety of vendors
• Client/server from Novell Netware
• Peer-to-peer as in TCP/IP