Network Operating Systems Organizational Communications and Technologies Prithvi

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

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

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

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

Network Operating Systems n Client/Server n n n Novell Netware Microsoft Lan. Manager Microsoft Windows. NT Banyan Vines Peer-to-peer n n Novel Netware Light Artisoft Lantastic Appletalk Windows for Workgroups

Comparison of OSI and LAN Manager OSI Application Presentation Session Transport Network Data. Link Physical LAN Manager Redirector Named Pipes Server Message Block (SMB) Net. Bios Extended User Interface (Net. BEUI) Transmission Control Protocol / Internet Protocol (TCP/IP) Network Driver Interface Specification (NDIS) Network Drivers, 802. x Specifications

Comparison of OSI and Novel l Netware OSI Netware Application Service Advertising Protocol (sap) Presentation Netware Core Protocol (NCP) NETBios SPX Operating System Sequence Package Connection Mgmt. Exchange Session Transport Network Data Link Physical Network Loadable Module (NLM) Novell Virtual Terminal (NVT) Internetwork Packet Exchange (IPX) Routing Information Protocol (RIP) Multiple Protocol Interface (MPI) Link Support Level (LSL) Multiple Link Interface Driver (MLID) Media 802 Specification – Token Ring, Ethernet, ARCnet, Appletalk

Comparison of OSI and Vines OSI VINES Services VINES File System (Printing and apps) Net. RPC Service Msg Blk (SMB) Application Presentation Session Transport Network Data. Link Physical Socket Interface Transmission User Datagram VINES Interprocess Sequence Packet Control Protocol (UDP) Communication Protocol (SPP) (VCIP) (TCP) Internet Protocol (IP) X. 25 VINES Internet Protocol (VIP) Internet Control Protocol (ICP) Address Resolution Protoclol (ARP) Routing Update Protocol (RTP) VINES Fragmentation Protocol (FRP) X. 25 HDLC Network Drivers 802. x Specifications, X. 25 network connection NDIS

Comparison of OSI and Windows-NT OSI Application Presentation Session Transport Windows-NT Redirector, Requestor Named Pipes TLI Socket Interface Service Message Block (SMB) Windows Presentation Manager Net. BIOS t Net. BIOS Extended User Interface (Net. BEUI) Transmission Control Protocol TCP/IP Network Data. Link Physical Network Driver Interface Specification (NDIS) Network Drivers, 802. x Specifications

Comparison of OSI and Netware Lite OSI Application Netware Lite Service Advertising Protocol (SAP) Presentation Session Transport Network Data. Link Physical Net. BIOS Sequence Packet Exchange (SPX) Network Lite Applications Netware Core Protocol (NCP) Operating System Connection Management Internet Packet Exchange (IPX) Link Support Layer (LSL) Multiple Link Interface Drivers (MLID) Media 802. x specifications Token Ring, Ethernet ARCnet, Appletalk

Comparison of OSI and Appletalk OSI Appletalk Application Appleshare File Svcs Presentation Appletake Filing Prot Session Transport Network Data. Link Physical Appletalk Data Stream Appleshare Print Services Postscript Appletalk Session Protocol (ASP) Zone Information Protocol (ZIP) Printer Access Protocol (PAP) Routing Table Maintenance Protocol (RTMP) Appletalk Echo Protocol (AEP) Appletalk Transaction Protocol Name Binding Protocol Datagram Delivery Protocol (DDP) Token Talk Link Access Protocol (TLAP) Ether. Talk Link Access Protocol (ELAP) 802. x Local. Talk Link Access (LLAP) Local. Talk Hardware

Comparison of OSI and TCP/IP Systems OSI Application TCP/IP TFTP. BOOTP, NFS-XDR-RPC SNMP SMTP, FTP, TELNET Presentation Session Transport Network Transmission Control (TCP) Universal Datagram (UDP) Internet Protocol (IP) Internet Control Message Protocol (ICMP) Internet Gateway Message Protocol (IGMP) Address Resolution Protocol (ARP) and Reverse ARP (RARP) Data. Link Ethernet - II Physical Media Token Ring

Comparison of OSI and Windows for Workgroups OSI Application Windows for Workgroups Windows Applications MS-Windows Presentation MS Windows Presentation Manager Session Net. BIOS Transport Network Data. Link Physical Net. BIOS Extended User Interface (Net. BEUI) Network Driver Interface Specification (NDIS) Network Drivers, 802. x Specifications

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