Transcript Windows Server 2003 Network Architecture

Hands-On Microsoft
Windows Server 2003
Networking
Chapter 1
Windows Server 2003
Networking Overview
Objectives
• Describe some of the new features of Windows
Server 2003
• Understand the differences in the editions of
Windows Server 2003
• Recognize the components in the Windows
Server 2003 networking architecture
• List the networking services available in
Windows Server 2003
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New Features of Windows 2003
• Enhanced Active Directory
– Now more flexible, manageable, and reliable
• .NET Framework
– Allows programmers develop applications in a
variety of languages, such as C++, C#, or Visual
Basic
• Web services
– Native support for XML Web services is included
• Enhanced clustering and load balancing
– Maximum cluster size increased from four to eight
nodes
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New Features of Windows 2003
(Continued)
• Automated system recovery
– Allows single step recovery of operating system
• Internet Information Server (IIS) 6.0
– Default configuration locked down to be more
secure
• Internet Protocol version 6 (IPv6)
– The future of Internet connectivity and will replace
the current Internet Protocol version 4 (IPv4)
• Point-to-Point Protocol Over Ethernet (PPPOE)
Enhanced IP Security (IPSec)
– Used by many high-speed Internet service
providers (ISPs) to control traffic on their
networks
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New Features of Windows 2003
(Continued)
• Network bridging
– In smaller networks, Windows Server 2003 can
be used as a bridge
• Wireless support
– Includes extensions to Group Policy and a
Microsoft Management Console (MMC) snap in
• Enhanced IP Security (IPSec)
– Allows transmission of encrypted packets through
network address translation (NAT)
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New Features of Windows 2003
(Continued)
• Internet Connection Firewall (ICF)
– Basic firewall protection provided for small
businesses
• Volume Shadow Copy
– Allows files to be backed up when they are open
• Windows Media Services
– Can provide streaming audio and video
• 64-bit support
– Support for 64-bit processing on Intel Itanium
Processors
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Web Edition
• A lower-cost version of Windows Server 2003
that is optimized to be a dedicated Web server
• Meant to counter Linux in the market for utility
servers
• Some unique features
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–
–
–
–
Must be a member server or stand-alone server
Load balancing is supported
Clustering is not supported
VPN support is limited
Services for Macintosh are not supported
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Hardware Requirements for
Windows Server 2003, Web Edition
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Standard Edition
• The version most likely to be used as a
departmental file and print server or application
server
• Some unique features
– Can be a domain controller, member server, or
stand-alone server
– Load balancing is supported
– Clustering is not supported
– Full VPN support is available
– Services for Macintosh are supported
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Hardware Requirements for
Windows Server 2003, Standard
Edition
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Enterprise Edition
• Designed to enable large enterprises to deliver
highly available applications and Web services
• Some unique features
– Can be a member server, domain controller, or
stand-alone server
– Load balancing is supported
– Clustering is supported
– Metadirectory Services are supported
– 64-bit processing is supported
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Hardware Requirements
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Datacenter Edition
• Designed for mission-critical applications that
require the highest levels of availability and
scalability
• Some unique features
– Can be a member server, domain controller, or
stand-alone server
– Load balancing is supported
– Clustering is supported
– Metadirectory Services are not supported
– 64-bit processing is supported
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Hardware Requirements for
Windows 2003,Datacenter Edition
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Windows Server 2003 Network
Architecture
• Four major components in networking
– Client: makes requests for resources on the
network
– Service: responds to requests from client
software and provides access to resources
– Protocol: used by client and service software to
communicate
– Adapter: driver for the network card
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Windows Server 2003 networking
architecture
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Network Device Interface
Specification (NDIS)
• A specification created by Microsoft and 3Com
to speed the development of device drivers and
enhance networking capabilities
• Bindings between protocols and adapters
controlled by NDIS
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Transport Device Interface (TDI)
• Provides clients and services with access to
network resources
• Emulates two network access mechanisms:
– Network Basic Input Output System (NetBIOS)
– Windows Sockets (WinSock)
• Windows Sockets Direct (WinSock Direct)
– New enhancement to WinSock that is used to
access resources on system area networks
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Network Protocols
• IPv4
– Normally referred to as TCP/IP
• IPv6
– Newer version of TCP/IP that offers a number of
enhancements
• Internetwork Packet eXchange/Sequenced
Packet eXchange (IPX/SPX)
– Used primarily for backward compatibility with
older networks running Novell Netware
• AppleTalk
– Used to communicate with Apple Macintosh
computers
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Networking Services
• Dynamic Host Configuration Protocol (DHCP)
– Automated mechanism used to assign IP
addresses to client computers
• Domain Name System (DNS)
– Converts host names to IP addresses
• Windows Internet Naming Service (WINS)
– Converts NetBIOS names to IP addresses
• Routing and Remote Access Service (RRAS)
– Allows Windows Server 2003 to act as a router,
VPN server, and dial-in server
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Networking Services (Continued)
• Internet Connection Sharing (ICS)
– Automated way to set up DHCP, NAT, and a DNS
proxy for small networks
• Internet Authentication Service (IAS)
– Allows a company to use Active Directory for
centralized authentication of remote access
clients
• IP Security (IPSec)
– Enhancement to IPv4 that creates secure IPbased communications
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Networking Services (Continued)
• Internet Connection Firewall (ICF)
– Suitable for small businesses using Windows
Server 2003 as the router connecting to their ISP
• Public Key Infrastructure (PKI)
– Certificates can be used to secure e-mail
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Summary
• New Features of Windows Server 2003
– Enhanced Active Directory, .NET Framework,
Web Services
– IPv6, Network bridging
– PPPOE support, Built-in wireless support
– Internet Connection Firewall, 64-bit support
• Web Edition
– Designed to be Web server only
– Cannot be a domain controller
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Summary (Continued)
• Standard Edition
–
–
–
–
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Designed to be a departmental server
Can be configured as domain controller
Does not support clustering
Not available in 64-bit version Enterprise Edition
Supports up to eight clusters
• Datacenter Edition
– Designed for mission-critical applications
– Minimum eight processors required
– Up to 32 processors supported
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Summary (Continued)
• Network architecture
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–
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Clients
Services
Protocols
Network adapters
• Interfaces
– TDI: resides between clients and protocols or
between services and protocols
– NDIS: responsible for binding protocols to
network adapters
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Summary (Continued)
• Protocols supported
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IPv4
IPv6
IPX/SPX
AppleTalk
• Network services available
– DHCP, DNS, WINS
– RRAS, IAS, NAT
– ICS, ICF, IPSec, and PKI
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