1[1].NF Living in a Network Centric World WebEx

7/29/2019 1[1].NF Living in a Network Centric World WebEx

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Chapter 1 1 2007 Cisco Systems, Inc. All rights reserved. Cisco Public

Disclaimer & Objectives

This is NOT to replace or duplicate ICG

This is NOT to certify you to teach a course

This is NOT to short cut your learning

Retooling Doing it in a structure manner

Instructor Development

Creating a collaborative community

john lim@cisco .c om


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2007 Cisco Systems, Inc. All rights reserved. Cisco Public

ITE PC v4.0

Chapter 1 2

Living in a Network

Centric World

Network Fundamentals

Chapter 1

1.NF Living in a Network Centric World

John Lim

APJ Technical Manager


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Objectives Describe how networks impact our daily lives.

Describe the role of data networking in the humannetwork.

Identify the key components of any data network.

Identify the opportunities and challenges posed byconverged networks.

Describe the characteristics of network architectures:

fault tolerance, scalability, quality of service andsecurity.

Install and use IRC clients and a Wiki server.


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How Networks Impact Daily Life Explain the benefits of instantaneous communication

and how it supports and improves our lives.

eMagazineTraffic camera
http://www.onemotoring.com.sg/publish/onemotoring/en.htmlhttp://www.zinio.com/nu01


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How Networks Impact Daily Life

Describe the characteristics and purpose of popularcommunication media such as, IM, Wikis , Blogs,Podcasting, and Collaboration Tools

Instant messaging

Real time communication

between 2 or more

people based on typed text

Weblogs (Blogs)

Web pages created

by an individualPodcasting

Website that contains

audio files available

for downloading


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How Networks Impact Daily Life Explain ways that using information networks to share

and collaborate improves teaching and learning

World Fact Book
https://www.cia.gov/library/publications/the-world-factbook/docs/flagsoftheworld.html


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How Networks Impact Daily Life Describe ways communication over a network changes

the way we work


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How Networks Impact Daily Life Describe ways communication over a network supports

the way we play


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Data Networking Role, Components, andChallenges

Basic characteristics of communicationRules or agreements are 1st established

Important information may need to be repeated

Various modes of communication may impact the

effectiveness of getting the message across.


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Describe the role of data networking in communications


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Describe the variouselements that make up anetwork

Devices

These are used tocommunicate with oneanother

Medium

This is how the devicesare connected together

Messages

Information that travelsover the medium

Rules

Governs how messagesflow across network


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Describe the role of converged networks incommunications

Converged network

A type of network that can carry voice, video & data overthe same network

VoiceConf
http://newsroom.cisco.com/Newsroom/flash/evp/?vidid=563892DC3910FE8112953E68334F637F


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Network Architecture Characteristics Explain four characteristics that are addressed by

network architecture design

Fault tolerance

Scalability

Quality of serviceSecurity

CRS-1
http://www.cisco.com/en/US/products/ps5763/index.html


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Network Architecture Characteristics Describe how packet switching helps improve the

resiliency and fault tolerance of the Internet architecture


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Network Architecture Characteristics Describe characteristics of the Internet that help it scale

to meet user demand

Hierarchical

Common standards

Common protocols


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Network Architecture Characteristics Explain the factors that necessitate Quality of Service

and the mechanisms necessary to ensure it


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Network Architecture Characteristics Describe how QoS mechanisms work to ensure quality

of service for applications that require it.


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Network Architecture Characteristics Describe how to select the appropriate QoS strategy for

a given type of traffic


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Network Architecture Characteristics Describe why networks must be secure

Last 25 papers Top 20 attack targets
http://www.sans.org/top20/?ref=3706http://www.sans.org/reading_room/last.php?portal=046c9cfa7c83e057eb5cbae0b18e5c19


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Network Architecture Characteristics

Describe basic measures to secure data networksEnsure confidentiality through use of

User authentication

Data encryption

Maintain communication integrity through use of

Digital signatures

Ensure availability through use of

Firewalls

Redundant networkarchitecture

Hardware without a single

point of failure

McAfee SiteAdvisor

Security
http://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.siteadvisor.com/


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Summary

Next Session:Communicating over the Network


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That's Lifeby Mike Twohy


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Product Comparison

Google EarthProduct comparison

UserGuide version 4
http://earth.google.com/product_comparison.htmlhttp://earth.google.com/userguide/v4/http://earth.google.com/userguide/v4/http://earth.google.com/product_comparison.html

Documents

1[1].NF Living in a Network Centric World WebEx