hands-on microsoft windows server 2003 networking chapter 1 windows server 2003 networking overview
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Hands-On Microsoft Windows Server 2003
Networking
Chapter 1
Windows Server 2003 Networking Overview
2
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
3
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
4
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
5
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)
6
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
7
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– 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
8
Hardware Requirements for Windows Server 2003, Web Edition
9
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
10
Hardware Requirements for Windows Server 2003, Standard Edition
11
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
12
Hardware Requirements
13
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
14
Hardware Requirements for Windows 2003,Datacenter Edition
15
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
16
Windows Server 2003 networking architecture
17
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
18
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
19
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
20
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
21
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 IP-
based communications
22
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
23
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
24
Summary (Continued)
• Standard Edition– 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
25
Summary (Continued)
• Network architecture– 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
26
Summary (Continued)
• Protocols supported– IPv4
– IPv6
– IPX/SPX
– AppleTalk
• Network services available– DHCP, DNS, WINS
– RRAS, IAS, NAT
– ICS, ICF, IPSec, and PKI
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