70-270: MCSE Guide to  Microsoft Windows XP Professional   Second Edition, Enhanced Chapter 7:  Windows XP Network Protoco...
Objectives <ul><li>Understand networking in Windows XP </li></ul><ul><li>Understand Windows XP networking protocols </li><...
Windows XP Network Overview <ul><li>Most versatile Windows operating system </li></ul><ul><li>Supports local area network ...
Network Protocols Supported by Windows XP <ul><li>Major protocols: </li></ul><ul><ul><li>TCP/IP </li></ul></ul><ul><ul><li...
TCP/IP <ul><li>All-embracing suite of protocols </li></ul><ul><li>Covers a wide range of capabilities </li></ul><ul><li>Be...
TCP/IP Advantages <ul><li>Supports networking services better than the other Windows XP protocols </li></ul><ul><li>Multip...
TCP/IP Disadvantages <ul><li>Not fast </li></ul><ul><li>Not easy to use </li></ul><ul><li>Requires  </li></ul><ul><ul><li>...
NWLink (IPX/SPX) <ul><li>Microsoft implementation of Novell’s Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/...
NetBEUI and DLC <ul><li>NetBIOS Extended User Interface (NetBEUI) </li></ul><ul><li>Data Link Control (DLC) </li></ul><ul>...
Networking Under Windows XP <ul><li>Controlled by a single multifaceted interface that combines networking access for: </l...
Wireless Networking <ul><li>Supports IEEE 802.11 wireless standards </li></ul><ul><li>Also known as Wi-Fi networks </li></...
The Windows XP Network Bridge <ul><li>Layer 2 bridge between two or more network interfaces </li></ul><ul><li>Connects net...
Network Setup Wizard <ul><li>Used to configure nondomain networks </li></ul><ul><li>Used for small offices and home networ...
Managing Bindings <ul><li>Binding </li></ul><ul><ul><li>Order in which Windows XP networking components are linked </li></...
Advanced Settings dialog box, Adapters and Bindings tab
TCP/IP Architecture <ul><li>Suite of protocols </li></ul><ul><li>Internet Protocol </li></ul><ul><ul><li>Provides source a...
IP Addresses <ul><li>Designates network and host </li></ul><ul><li>Divided into Classes </li></ul><ul><li>Subnet mask: </l...
TCP/IP Protocols <ul><li>Internet Control Message Protocol (ICMP) </li></ul><ul><li>Address Resolution Protocol (ARP) </li...
TCP/IP Protocols (continued) <ul><li>User Datagram Protocol (UDP) </li></ul><ul><li>File Transfer Protocol (FTP) </li></ul...
TCP/IP Utilities and Services <ul><li>Berkeley R Utilities </li></ul><ul><li>route command </li></ul><ul><li>tracert (or t...
TCP/IP Utilities and Services (continued) <ul><li>IPCONFIG </li></ul><ul><li>NETSTAT </li></ul><ul><li>NBTSTAT </li></ul>
TCP/IP Configuration <ul><li>Performed through the Network Connections tool </li></ul><ul><li>Default settings: </li></ul>...
IPv6: Looking To The Future <ul><li>Aims to correct the address shortage: </li></ul><ul><ul><li>128-bit addresses </li></u...
Windows XP Remote Tools <ul><li>Remote Assistance </li></ul><ul><ul><li>Allows a distant user to view your desktop  </li><...
Remote Assistance <ul><li>Designed to simplify the task of training users </li></ul><ul><li>Requires invitation </li></ul>...
Remote Desktop <ul><li>Similar to a single client version of Terminal Services </li></ul><ul><li>Workers access work machi...
Windows XP and Netware Networks <ul><li>NetWare </li></ul><ul><ul><li>Developed by Novell </li></ul></ul><ul><ul><li>Popul...
NetWare Data Storage <ul><li>Bindery </li></ul><ul><ul><li>Introduced in version 1 </li></ul></ul><ul><ul><li>Proprietary ...
Netware Compatibility Components <ul><li>NWLink </li></ul><ul><ul><li>Microsoft’s implementation of IPX/SPX protocol suite...
NWLink <ul><li>IPX (Internetwork Packet Exchange)  </li></ul><ul><ul><li>Connectionless protocol </li></ul></ul><ul><ul><l...
Client Service for NetWare <ul><li>Allows Windows XP computer to access resources on NetWare servers version: </li></ul><u...
Bindery and NDS Support <ul><li>CSNW includes support for both bindery and NDS servers </li></ul><ul><li>Access the binder...
Installing and Configuring Client Service for NetWare <ul><li>Installation in: </li></ul><ul><ul><li>Local Area Connection...
Connecting To Netware Resources <ul><li>Accomplished through My Network Places </li></ul><ul><li>Presented with icons for ...
Choosing Appropriate NetWare Client Software <ul><li>NetWare Servers > Windows Servers </li></ul><ul><ul><li>Novell 32-bit...
Interprocess Communication <ul><li>Exchange of information between processes </li></ul><ul><li>General-purpose mechanism <...
IPC File System Mechanisms <ul><li>Named pipes  </li></ul><ul><ul><li>Connection-oriented message-passing </li></ul></ul><...
IPC Programming Interfaces <ul><li>NetBIOS </li></ul><ul><li>Windows Sockets (Winsock) </li></ul><ul><li>Remote Procedure ...
Redirectors <ul><li>Examines all requests for system resources </li></ul><ul><li>Decides whether such requests are local o...
Workstation Service <ul><li>Supports client access to network resources  </li></ul><ul><li>Handles functions such as: </li...
Server Service <ul><li>Handles the creation and management of shared resources  </li></ul><ul><li>Performs security checks...
Multiple Universal Naming Convention Provider <ul><li>Defines link between applications that make UNC requests for differe...
Universal Naming Convention Names <ul><li>Represent the format used in NetBIOS-oriented name resolution systems </li></ul>...
Multi-Provider Router <ul><li>Lets applications written to older Microsoft specifications behave as if they were written t...
Summary <ul><li>TCP/IP provides primary network access </li></ul><ul><li>Windows XP supports and employs numerous subproto...
Summary (continued) <ul><li>NetWare support: </li></ul><ul><ul><li>NWLink protocol </li></ul></ul><ul><ul><li>Client Servi...
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  1. 1. 70-270: MCSE Guide to Microsoft Windows XP Professional Second Edition, Enhanced Chapter 7: Windows XP Network Protocols
  2. 2. Objectives <ul><li>Understand networking in Windows XP </li></ul><ul><li>Understand Windows XP networking protocols </li></ul><ul><li>Configure and use TCP/IP protocols and services </li></ul><ul><li>Access NetWare servers and services from Windows XP </li></ul><ul><li>Understand Windows XP Remote tools </li></ul>
  3. 3. Windows XP Network Overview <ul><li>Most versatile Windows operating system </li></ul><ul><li>Supports local area network (LAN) connections </li></ul><ul><li>Supports emerging wireless technologies </li></ul><ul><li>Improved on the remote access support found in previous versions </li></ul><ul><li>Can function as a client, server (limited) or both. </li></ul><ul><li>Networking components can be added and removed </li></ul>
  4. 4. Network Protocols Supported by Windows XP <ul><li>Major protocols: </li></ul><ul><ul><li>TCP/IP </li></ul></ul><ul><ul><li>NWLink </li></ul></ul>
  5. 5. TCP/IP <ul><li>All-embracing suite of protocols </li></ul><ul><li>Covers a wide range of capabilities </li></ul><ul><li>Been around for a long time </li></ul><ul><li>Most common networking protocol </li></ul><ul><li>Used by the Internet </li></ul>
  6. 6. TCP/IP Advantages <ul><li>Supports networking services better than the other Windows XP protocols </li></ul><ul><li>Multiple routing protocols </li></ul><ul><li>Good error detection and handling </li></ul><ul><li>Works with most kinds of computers </li></ul>
  7. 7. TCP/IP Disadvantages <ul><li>Not fast </li></ul><ul><li>Not easy to use </li></ul><ul><li>Requires </li></ul><ul><ul><li>Fair degree of expertise </li></ul></ul><ul><ul><li>Careful planning </li></ul></ul><ul><ul><li>Constant maintenance and attention </li></ul></ul><ul><li>Mass of information and detail work </li></ul>
  8. 8. NWLink (IPX/SPX) <ul><li>Microsoft implementation of Novell’s Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX) protocol stack </li></ul><ul><li>Works with the Network Device Interface Specification (NDIS) driver technology </li></ul>
  9. 9. NetBEUI and DLC <ul><li>NetBIOS Extended User Interface (NetBEUI) </li></ul><ul><li>Data Link Control (DLC) </li></ul><ul><li>Greatly deemphasized in XP </li></ul>
  10. 10. Networking Under Windows XP <ul><li>Controlled by a single multifaceted interface that combines networking access for: </li></ul><ul><ul><li>LAN </li></ul></ul><ul><ul><li>Internet </li></ul></ul><ul><ul><li>Modem </li></ul></ul>
  11. 11. Wireless Networking <ul><li>Supports IEEE 802.11 wireless standards </li></ul><ul><li>Also known as Wi-Fi networks </li></ul><ul><li>Base station </li></ul><ul><ul><li>Supports one or more clients </li></ul></ul><ul><li>NIC </li></ul><ul><ul><li>Client must have wireless NIC </li></ul></ul>
  12. 12. The Windows XP Network Bridge <ul><li>Layer 2 bridge between two or more network interfaces </li></ul><ul><li>Connects network segments </li></ul><ul><li>No need to purchase separate bridge or router </li></ul><ul><li>Only single bridge per system supported </li></ul><ul><li>Only similar interfaces can be bridged </li></ul>
  13. 13. Network Setup Wizard <ul><li>Used to configure nondomain networks </li></ul><ul><li>Used for small offices and home networks </li></ul><ul><li>Step-by-step, walk-through tool </li></ul><ul><li>Can be opened from the network tasks list </li></ul><ul><li>Wizard on the system to be the ICS host first </li></ul>
  14. 14. Managing Bindings <ul><li>Binding </li></ul><ul><ul><li>Order in which Windows XP networking components are linked </li></ul></ul><ul><li>Affect how the systems behave </li></ul><ul><li>Affects system performance </li></ul><ul><li>Default behavior: </li></ul><ul><ul><li>Binds any two components that share a common boundary layer </li></ul></ul><ul><ul><li>Known as complete binding </li></ul></ul>
  15. 15. Advanced Settings dialog box, Adapters and Bindings tab
  16. 16. TCP/IP Architecture <ul><li>Suite of protocols </li></ul><ul><li>Internet Protocol </li></ul><ul><ul><li>Provides source and destination addressing and routing </li></ul></ul><ul><ul><li>Addresses </li></ul></ul><ul><ul><ul><li>4 bytes (32 bits) long </li></ul></ul></ul><ul><ul><ul><li>Each octet between 0 and 255 </li></ul></ul></ul><ul><ul><li>Connectionless datagram protocol </li></ul></ul><ul><ul><li>Fast but unreliable </li></ul></ul>
  17. 17. IP Addresses <ul><li>Designates network and host </li></ul><ul><li>Divided into Classes </li></ul><ul><li>Subnet mask: </li></ul><ul><ul><li>Used to block network part of address </li></ul></ul>
  18. 18. TCP/IP Protocols <ul><li>Internet Control Message Protocol (ICMP) </li></ul><ul><li>Address Resolution Protocol (ARP) </li></ul><ul><li>Dynamic Host Configuration Protocol (DHCP) </li></ul><ul><li>Transmission Control Protocol (TCP) </li></ul><ul><ul><li>Primary Internet transport protocol </li></ul></ul><ul><ul><li>Connection oriented </li></ul></ul><ul><ul><li>Port number </li></ul></ul><ul><ul><ul><li>Identifies process </li></ul></ul></ul>
  19. 19. TCP/IP Protocols (continued) <ul><li>User Datagram Protocol (UDP) </li></ul><ul><li>File Transfer Protocol (FTP) </li></ul><ul><li>Telnet </li></ul><ul><li>Simple Mail Transfer Protocol (SMTP) </li></ul><ul><li>Simple Network Management Protocol (SNMP) </li></ul>
  20. 20. TCP/IP Utilities and Services <ul><li>Berkeley R Utilities </li></ul><ul><li>route command </li></ul><ul><li>tracert (or trace route) command </li></ul><ul><li>Packet Internet Groper (PING) </li></ul><ul><li>Trivial File Transfer Protocol (TFTP) </li></ul><ul><li>Domain Name System (DNS) </li></ul><ul><li>Windows Internet Naming Service (WINS) </li></ul>
  21. 21. TCP/IP Utilities and Services (continued) <ul><li>IPCONFIG </li></ul><ul><li>NETSTAT </li></ul><ul><li>NBTSTAT </li></ul>
  22. 22. TCP/IP Configuration <ul><li>Performed through the Network Connections tool </li></ul><ul><li>Default settings: </li></ul><ul><ul><li>Seek out DHCP server to provide all configuration settings </li></ul></ul><ul><li>Alternate configuration tab </li></ul><ul><ul><li>Used when DHCP is not available </li></ul></ul>
  23. 23. IPv6: Looking To The Future <ul><li>Aims to correct the address shortage: </li></ul><ul><ul><li>128-bit addresses </li></ul></ul><ul><li>Improve other aspects of TCP/IP, including: </li></ul><ul><ul><li>Security </li></ul></ul><ul><ul><li>Efficiency </li></ul></ul><ul><li>Preliminary support in XP </li></ul>
  24. 24. Windows XP Remote Tools <ul><li>Remote Assistance </li></ul><ul><ul><li>Allows a distant user to view your desktop </li></ul></ul><ul><ul><li>Have control over the mouse and keyboard activities </li></ul></ul><ul><li>Remote Desktop </li></ul><ul><ul><li>Enables you to access your client’s logon environment from a remote system </li></ul></ul>
  25. 25. Remote Assistance <ul><li>Designed to simplify the task of training users </li></ul><ul><li>Requires invitation </li></ul><ul><ul><li>Invitation expires </li></ul></ul><ul><li>Both machines must be XP </li></ul><ul><li>Windows Messenger or MAPI-compliant e-mail utility required </li></ul><ul><li>Uses Remote Desktop Protocol (RDP) </li></ul>
  26. 26. Remote Desktop <ul><li>Similar to a single client version of Terminal Services </li></ul><ul><li>Workers access work machine from home </li></ul><ul><li>Enabled through a component of IIS </li></ul>
  27. 27. Windows XP and Netware Networks <ul><li>NetWare </li></ul><ul><ul><li>Developed by Novell </li></ul></ul><ul><ul><li>Popular file and print-sharing network </li></ul></ul><ul><li>Microsoft includes interconnectivity enhancements: </li></ul><ul><ul><li>NWLink </li></ul></ul><ul><ul><li>Client Service for NetWare </li></ul></ul><ul><ul><li>File and Print Services for NetWare </li></ul></ul><ul><ul><li>Gateway Services for NetWare </li></ul></ul>
  28. 28. NetWare Data Storage <ul><li>Bindery </li></ul><ul><ul><li>Introduced in version 1 </li></ul></ul><ul><ul><li>Proprietary database </li></ul></ul><ul><li>Novell Directory Service (NDS) </li></ul><ul><ul><li>Introduced in version 4 </li></ul></ul><ul><ul><li>Hierarchical database </li></ul></ul><ul><ul><li>Comparable to Active Directory </li></ul></ul>
  29. 29. Netware Compatibility Components <ul><li>NWLink </li></ul><ul><ul><li>Microsoft’s implementation of IPX/SPX protocol suite </li></ul></ul><ul><ul><li>Can communicate with all NetWare implementations </li></ul></ul><ul><li>Client Service for NetWare </li></ul>
  30. 30. NWLink <ul><li>IPX (Internetwork Packet Exchange) </li></ul><ul><ul><li>Connectionless protocol </li></ul></ul><ul><ul><li>Provides quick network transport for most communications </li></ul></ul><ul><li>SPX (Sequenced Packet Exchange) </li></ul><ul><ul><li>Connection-oriented protocol </li></ul></ul><ul><ul><li>Provides guaranteed packet delivery </li></ul></ul>
  31. 31. Client Service for NetWare <ul><li>Allows Windows XP computer to access resources on NetWare servers version: </li></ul><ul><ul><li>2. x </li></ul></ul><ul><ul><li>3. x </li></ul></ul><ul><ul><li>4. x </li></ul></ul><ul><li>Implements NetWare Core Protocol (NCP) requests for file and print services </li></ul>
  32. 32. Bindery and NDS Support <ul><li>CSNW includes support for both bindery and NDS servers </li></ul><ul><li>Access the bindery for logon authentication </li></ul><ul><li>NDS tree </li></ul><ul><ul><li>Hierarchical NDS implementation resembles a tree </li></ul></ul>
  33. 33. Installing and Configuring Client Service for NetWare <ul><li>Installation in: </li></ul><ul><ul><li>Local Area Connection Properties dialog box </li></ul></ul><ul><li>Client component </li></ul><ul><li>Assign default NetWare tree and context </li></ul><ul><ul><li>Cannot browse for tree and context data </li></ul></ul><ul><li>Not configured through Local Area Connection Properties dialog box </li></ul>
  34. 34. Connecting To Netware Resources <ul><li>Accomplished through My Network Places </li></ul><ul><li>Presented with icons for each type of client installed </li></ul>
  35. 35. Choosing Appropriate NetWare Client Software <ul><li>NetWare Servers > Windows Servers </li></ul><ul><ul><li>Novell 32-bit client for Windows. </li></ul></ul><ul><li>Windows Servers > NetWare Servers </li></ul><ul><ul><li>Microsoft client for NetWare networks. </li></ul></ul><ul><li>NetWare Servers = Windows Servers </li></ul><ul><ul><li>Microsoft client for NetWare networks </li></ul></ul><ul><li>Access to files and printing only </li></ul><ul><ul><li>Gateway Services for NetWare on Windows servers </li></ul></ul>
  36. 36. Interprocess Communication <ul><li>Exchange of information between processes </li></ul><ul><li>General-purpose mechanism </li></ul><ul><li>Defines a way for client computers to request services from some servers </li></ul><ul><li>Permits servers to reply to requests for services </li></ul><ul><li>Two categories: </li></ul><ul><ul><li>Programming interfaces </li></ul></ul><ul><ul><li>File system mechanisms </li></ul></ul>
  37. 37. IPC File System Mechanisms <ul><li>Named pipes </li></ul><ul><ul><li>Connection-oriented message-passing </li></ul></ul><ul><ul><li>Message’s receiver must acknowledge each message it receives </li></ul></ul><ul><li>Mail slots </li></ul><ul><ul><li>Connectionless version of named pipes </li></ul></ul><ul><ul><li>No delivery guarantees </li></ul></ul>
  38. 38. IPC Programming Interfaces <ul><li>NetBIOS </li></ul><ul><li>Windows Sockets (Winsock) </li></ul><ul><li>Remote Procedure Call (RPC) </li></ul><ul><li>Network Dynamic Data Exchange (NetDDE) </li></ul><ul><li>Distributed Component Object Model (DCOM) </li></ul><ul><li>Windows Network (Wnet) </li></ul><ul><li>Win32 Internet API (WinInet) </li></ul>
  39. 39. Redirectors <ul><li>Examines all requests for system resources </li></ul><ul><li>Decides whether such requests are local or remote </li></ul><ul><li>Workstation service </li></ul><ul><li>Server service </li></ul><ul><li>Multiple Universal naming convention Provider (MUP) </li></ul><ul><li>Multi-Provider Router (MPR) </li></ul>
  40. 40. Workstation Service <ul><li>Supports client access to network resources </li></ul><ul><li>Handles functions such as: </li></ul><ul><ul><li>Logging in </li></ul></ul><ul><ul><li>Connecting to network shares (directories and printers) </li></ul></ul><ul><ul><li>Creating links using Windows XP IPC options </li></ul></ul><ul><li>Elements: </li></ul><ul><ul><li>User mode interface </li></ul></ul><ul><ul><li>Redirector </li></ul></ul>
  41. 41. Server Service <ul><li>Handles the creation and management of shared resources </li></ul><ul><li>Performs security checks against requests for such resources </li></ul><ul><li>Elements: </li></ul><ul><ul><li>Server.exe </li></ul></ul><ul><ul><li>Srv.sys </li></ul></ul>
  42. 42. Multiple Universal Naming Convention Provider <ul><li>Defines link between applications that make UNC requests for different redirectors </li></ul><ul><li>Allows applications to remain oblivious to number or type of redirectors that might be in use </li></ul><ul><li>Chooses redirectors on basis of highest registered response time </li></ul>
  43. 43. Universal Naming Convention Names <ul><li>Represent the format used in NetBIOS-oriented name resolution systems </li></ul><ul><li>Example: </li></ul><ul><ul><li>omputernamesharenamedir-pathfilename.ext </li></ul></ul>
  44. 44. Multi-Provider Router <ul><li>Lets applications written to older Microsoft specifications behave as if they were written to conform to UNC naming </li></ul><ul><li>Handles all Win32 Network API calls </li></ul>
  45. 45. Summary <ul><li>TCP/IP provides primary network access </li></ul><ul><li>Windows XP supports and employs numerous subprotocols and utilities associated with TCP/IP </li></ul><ul><li>New networking features and utilities: </li></ul><ul><ul><li>Network bridging </li></ul></ul><ul><ul><li>Remote Assistance and Remote Desktop </li></ul></ul><ul><ul><li>Greater support for wireless networking </li></ul></ul><ul><ul><li>Support for upcoming IPv6 protocol </li></ul></ul>
  46. 46. Summary (continued) <ul><li>NetWare support: </li></ul><ul><ul><li>NWLink protocol </li></ul></ul><ul><ul><li>Client Service for NetWare (CSNW) </li></ul></ul>

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