session 1 tp 1
DESCRIPTION
TRANSCRIPT
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 1 of 21
Session 1
Planning a Network Service
Infrastructure
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 2 of 21
Objectives Explain Network Services
Infrastructure design Identify the protocols for the
Network Infrastructure design Identify the Data-Link layer protocol Discuss the Networking services Analyze the Organizational goals
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 3 of 21
Network Infrastructure Network Infrastructure consists of:
Physical infrastructure: Provides the basic design of the network
Logical infrastructure: Consists of the software elements that connect, maintain, and provide security to the hosts on the network
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 4 of 21
Network Services Infrastructure Stages
Steps in designing a Network Services Infrastructure are: Plan Implement Maintain
Networking Services Infrastructure
Implement
Plan
Maintain
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 5 of 21
Selecting the Protocols for the Network
The Open Systems Interconnection (OSI) reference model defines a networking framework for implementing protocols such as TCP/IP and Ethernet
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 6 of 21
Selecting the Protocols for the Network Contd…
Physical layer (layer 1) – Specifies the signals transmitted over the network
Data-Link layer (layer 2) – Furnishes transmission protocol knowledge, management and handles errors in the Physical layer
Network layer (layer 3) – Defines the functions that provide communication between computers on different networks
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 7 of 21
Selecting the Protocols for the Network Contd…
Transport layer (layer 4) – Guarantees data delivery and ensures error detection
Session layer (layer 5) – Establishes, maintains and ceases connections between applications
Presentation layer (layer 6) – Translates the computer syntax into a readable format
Application layer (layer 7) – Supports application and end-user processes
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 8 of 21
Data-Link Layer Protocol We must consider the following criteria
while selecting the Data-Link layer protocol: Type of Media Transmission speed
The most widely used Data-Link layer protocol is the Ethernet
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 9 of 21
Types of Media Local Area Networks
are developed using: Unshielded Twisted
Pair (UTP) Transmission Media
Fiber Optic Wireless
Networking
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 10 of 21
Transport Layer Protocol Windows Server 2003 supports three
transport layer protocols such as: Transmission Control
Protocol/Internet Protocol (TCP/IP) Internetwork Packet Exchange
(IPX) NetBEUI
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 11 of 21
TCP/IP Communicates using the IP (Internet
Protocol), TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) protocols
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 12 of 21
IPX Communicates using the following
protocols: Sequenced Packet Exchange
(SPX) – Connection-oriented transport layer protocol
NetWare Core Protocol (NCP) – Equivalent of UDP
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 13 of 21
NetBEUI Uses the NetBIOS namespace to
identify computers on the network We can install the NetBEUI on
Windows Server 2003 computer using the installation files to check network communication problems.
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 14 of 21
Selecting Networking Services
The network design process involves: Network Foundation Internet Connectivity Integrated Design for
Networking Services Infrastructure
Remote Access Connectivity
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 15 of 21
Network Foundation Enables the IP addressing
support, automatic client configuration, and services for name resolution
The networking services are: TCP/IP DHCP DNS WINS
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 16 of 21
Internet Connectivity Enables remote users
to access the internal network through the internet without any risk.
The Networking services are: NAT Microsoft Proxy
Server
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 17 of 21
Connectivity for Remote Access
While designing the Network services infrastructure, we must use the routing services to connect multiple physical segments placed in the same geographical locations
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 18 of 21
Infrastructure design We must provide the required
networking solution to the organization through: Management Strategy Design Combination of services Organizational Network solution
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 19 of 21
Analyzing Organizational Goals
While designing the network services infrastructure we must take the following points into consideration: Functionality Security Availability Performance
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 20 of 21
Summary Network Services Infrastructure design depends
on the execution of three phases: Plan Implement Maintain
The design process involves: Network Foundation Internet Connectivity Remote Access Connectivity Infrastructure design
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Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 21 of 21
Summary Contd… A Network Infrastructure is made up of the Physical and
the Logical infrastructure The Open Systems Interconnection (OSI) reference
model defines a networking framework for implementing protocols
The Data-Link layer protocol is one of the main decisions to be taken while designing the network infrastructure
Common network services include TCP/IP, DHCP, DNS, and WINS
Remote Access Connectivity can be achieved through IP Routing, Routing and Remote Access, and RADIUS