Networking Functions of Networking Functions of windows NT Severwindows NT Sever

Present byPresent by

Jing LiJing Li

Southeastern UniversitySoutheastern University

Table of contentTable of content

Windows NT Network ProtocolsWindows NT Network Protocols Windows NT Networking ServicesWindows NT Networking Services Windows NT Network Monitor.Windows NT Network Monitor. Summary.Summary.

Default Windows NT Network Default Windows NT Network Protocols and their comparisonProtocols and their comparison

NeBEUINeBEUI TCP/IPTCP/IP NWLink (IPX/SPX)NWLink (IPX/SPX)

Advantage of NetBEUIAdvantage of NetBEUI

Small memory overhead.Small memory overhead. Very fast on small network.Very fast on small network. Error protection.Error protection. Self configuration and self-tuningSelf configuration and self-tuning

Disadvantage of NetBEUIDisadvantage of NetBEUI

It is not a routable protocol.It is not a routable protocol. Very little support for cross platform Very little support for cross platform

application.application. Very few troubleshooting tools.Very few troubleshooting tools.

Advantage of TCP/IPAdvantage of TCP/IP

The most flexible transport protocols. The most flexible transport protocols. Excellent cross-platform support. Excellent cross-platform support.

Direct access to Internet.Direct access to Internet. Strong support for routing. Strong support for routing. SNMP support..SNMP support.. DHCP support.DHCP support. WINS support.WINS support.

Disadvantage of TCP/IPDisadvantage of TCP/IP

Difficult to administer correctly and Difficult to administer correctly and difficult to setup.difficult to setup.

Slower than NWLink(IPX/IPX) and Slower than NWLink(IPX/IPX) and NetBEUI.NetBEUI.

High overheadHigh overhead Centralized TCP/IP domain assignment Centralized TCP/IP domain assignment

requires registration effort and cost.requires registration effort and cost.

Advantage of NWLinkAdvantage of NWLink

Easy to setup.Easy to setup. Support routing between networks.Support routing between networks. Faster than TCP/IP.Faster than TCP/IP. Allows easy connection to installed Allows easy connection to installed

NetWare servers and client.NetWare servers and client.

Disadvantage of NWLinkDisadvantage of NWLink

Does not have an effective central Does not have an effective central addressing scheme to prevent two network addressing scheme to prevent two network from using the same address number.from using the same address number.

Shower than NetBEUI.Shower than NetBEUI. Doesn't support SNMP( Simple Network Doesn't support SNMP( Simple Network

Management Protocol). Management Protocol).

NT Networking ServicesNT Networking Services

Browser Service.Browser Service. DHCPDHCP(Dynamic Host Configuration (Dynamic Host Configuration

Protocol).Protocol). WINSWINS(Windows Internet Name Service). (Windows Internet Name Service). DNSDNS( Domain Name Service).( Domain Name Service).

The Function of Browser ServiceThe Function of Browser Service

Identify and list the available network Identify and list the available network resources, in order for these resources to be resources, in order for these resources to be used efficiently by sharing, that is an advantage used efficiently by sharing, that is an advantage of networked computer system. of networked computer system.

By assigning the browser role to specific By assigning the browser role to specific computers, lowers the mount of network traffic, computers, lowers the mount of network traffic, also frees the CPU time that each computer also frees the CPU time that each computer need to create a network resource list.need to create a network resource list.

The Function of DHCPThe Function of DHCP Centralize and manages the allocation of TCP/IP Centralize and manages the allocation of TCP/IP

configuration information by automatically configuration information by automatically assigning IP address to computers:assigning IP address to computers:– Automatically configure subnet mask to identify Automatically configure subnet mask to identify

destination network ID. If it is not the same as your destination network ID. If it is not the same as your network ID, then forward message to gateway. network ID, then forward message to gateway.

– Automatically configure your gateway ID address.Automatically configure your gateway ID address.– Automatically set DNS address.Automatically set DNS address.

The Function of WINS The Function of WINS Be used to register NetBIOS computer Be used to register NetBIOS computer

network names and resolve them to IP address. network names and resolve them to IP address. Sample: What is the best way to decrease Sample: What is the best way to decrease

TCP/IP-based network broadcast traffic?TCP/IP-based network broadcast traffic?– If without WINS, each computer on network has to If without WINS, each computer on network has to

send a broadcast message to other computer on the send a broadcast message to other computer on the network. Install WINS, provide computer name to network. Install WINS, provide computer name to IP address resolution that reduces the broadcast IP address resolution that reduces the broadcast traffic.traffic.

The Function of DNSThe Function of DNS

Resolve domain name to IP address.Resolve domain name to IP address. Sample:Sample:

– Need to provide an Internet name to IP address Need to provide an Internet name to IP address translation on TCP/IP based network, what translation on TCP/IP based network, what service need to install on Windows NT Server service need to install on Windows NT Server computer?computer?

– Administrator can use DNS to manage domain Administrator can use DNS to manage domain and computer names.and computer names.

Network MonitorNetwork Monitor Monitor the data that is sent over network.Monitor the data that is sent over network. Collects, filters, and analyzes frames or Collects, filters, and analyzes frames or

packets.packets. Each frame contain:Each frame contain:

– Source address.Source address.– Destination address.Destination address.– Headers from each protocol used to send the frame.Headers from each protocol used to send the frame.– Data.Data.

Information captured by Network Information captured by Network MonitorMonitor

Bar graphsBar graphs– Provide information on real-time network activityProvide information on real-time network activity

Session statistics.Session statistics.– Show the conversations that are taking place on Show the conversations that are taking place on

the network. Real time and cumulative. the network. Real time and cumulative. Station statisticsStation statistics

– Cumulative information on network conversation.Cumulative information on network conversation.

Summary: Summary: Windows NT Network Features.Windows NT Network Features.

Flexible Protocol SupportFlexible Protocol Support Multiple Network Service Support.Multiple Network Service Support. Multiple tasks to monitor network traffic .Multiple tasks to monitor network traffic .