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Session 1 Tp 1
1. Microsoft Windows Server 2003 Network Infrastructure – Planning and Maintenance/ Session 1 / Slide 1 of 21
Session 1
Planning a Network
Service
Infrastructure
2. 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
3. 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
4. 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
Infrastructur
e
Implement
Plan
Maintain
5. 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
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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.
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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