CIS 310 Management Information Systems Infrastructure

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Oct 26, 2013 (3 years and 7 months ago)

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CIS 310 Management

Information Systems


Infrastructure


Infrastructure


What is IT Infrastructure?


Value chain, support

primary and secondary activities


Support to run things (hardware, networks, help,
training…etc.


Speed

them up


Add quality


Reduce cost


Give insight that wasn’t possible

without connections between

functional areas


Needs to have flexibility to meet

changing needs of the

market & business

What happens

when you have weak
infrastructure?


Inefficient


Ineffective


Lost Opportunity


Unhappy

clients & customers


hard to change
the opinion once the trust is lost


Costs you money

MIS Infrastructure


Hardware


Network


Cables


Client/Server


Software


Cloud

Wikipedia: Information
technology infrastructure

is the
integrated framework upon
which digital networks operate.
This infrastructure
includes data
centers, computer networks,
Database Management devices
and a regulatory system
.

Sample

Network


Figure from:

http
://www.ntech.co.uk/office.htm

Network Architect /
Information
Architect


Network Architect

plans the entire network
infrastructure for the company.


Solves

problems like:


Throughput


Security


Information

Architect


database, data flows,
EWIS for the company.


Solves problems like:


How do I expand the database and not have it crash?


How do we

add modules to SAP?

Infrastructure Support


Infrastructure

Support provides for support of
the company assets if an emergency occurs.


Natural Disaster


Malicious Attack


Support

comes in the form of


Backup and recovery


Disaster recovery and


Business

continuity planning

End of Infrastructure


What is infrastructure?


Why

is infrastructure important to a business?

Networking

video

Networking


Network = connecting computers together so
they can communicate


Architecture
-

peer
-
to
-
peer, client/server


Topology
-

bus, star, ring, hybrid, wireless


Protocols
-

Ethernet, Transmission Control
Protocol/Internet Protocol (TCP/IP)


Media
-

coaxial, twisted
-
pair, fiber
-
optic

A simple peer
-
to
-
peer

network

Client
/Server

A Server

Rack

Where are my servers?

Where are my servers?

A simple client/server network

Youtube

Staples


Easyhelp

http
://www.youtube.com/watch?v
=_hqfNdrw8Bc

Wireless Network


Bus


Star


Ring


Hybrid


Mesh

Topology

Images from
Escotal.com

Types of Networks


Local Area Network (LAN)


Metropolitan Area Network (MAN)


Wide Area Network (WAN)

Protocols


Ethernet


Transmission

Control Protocol/Internet
Protocol (TCP/IP)

Medium


Coaxial


Twisted
-
pair


Fiber
-
optic

Media Type

Bandwidth

Performance: Typical
Error Rate

Twisted
-
pair for analog
voice applications

1MHz

Poor to fair (10

5
)

Coaxial cable

1GHz

Good (10

7

to 10

9
)

Fiber

75THz

Great (10

11

to 10

13
)

End of Networking


Optimizing

and Maintaining the Network
Infrastructure


“The Cloud”

Agile Infrastructure

Agile Infrastructure


Agile = flexible


Can my network support a 1000 times growth in
network traffic during a big event?


Victoria’s Secret


Mars Rover, Curiosity


Is it easy to upgrade my network with the latest
security features?


How reliable is the data I get from the network?

Network Agility


Having an agile network lets a company


Quickly and easily react to change


Provide 100% network up
-
time


Improve network easily as technology improves


Support new applications that are needed


Increase or decrease the network capabilities as
needed


The

Ilities


Characteristics of an agile MIS infrastructure


Accessibility


Availability


Maintainability


Portability


Reliability


Scalability


Usability

Ilities

(contd.)


Accessibility



Allowing different people,
different levels of access. (Admin


has
full access)


Availability



Making the network
available for a defined period of time.
100% up
-
time if it is a critical system.
(Amazon vs. Blackboard vs. FAA)

Ilities

(contd.)


Maintainability



Easy to maintain. If it is
easy to maintain, you can modify it quickly
to meet business needs.


Portability



Applications can work on
different devices. (Web pages are platform
independent.)

Ilities

(contd.)


Reliability



System is functioning
correctly and

giving accurate
information.


Scalability



System can increase

or decrease it’s capacity
depending upon need.


Usability



Ease of use of the system.
Low learning curve.

End


Accessibility


Availability


Maintainability


Portability


Reliability


Scalability


Usability


Backup and Recovery

Backup and Recovery


Backup and recovery


Disaster recovery and


Business

continuity planning

Backup and Recovery


Backup


Need a secure copy of all your transactions,
customer data, accounting, HR….etc.


Massive amount of data.


Store

the backup somewhere safe!


Daily, weekly, monthly backups.



Recovery


Get the system up and running after a bad event.


Fault tolerance, Failover, Failback

Disaster Recovery


Planning

is Paramount


Disaster recovery plan


detailed plan about
what to do in the event of a disaster.


Drill the plan. Practice so people know what
to do.


Know the risks and the costs

of not being able
to recover quickly.

Sample Plan


Disasterrecoveryplantemplate.org


Outline of what a typical plan might include:


Lists of key personnel and how to contact them.


Descriptions of all the major applications and
frequency of use.


Emergency backup procedures for each system.


Contact names for vendors.


Procedures for switching to an alternate site.


Alternate Sites for IT Operations


Hot site


Exact

replica of the companies
computer facilities. Room with

all your
hardware and software pre
-
loaded.


Cold site


Site with no equipment. A place to
set up your alternate site.


Warm site


Room with hardware but, you
have to configure it and provide the data.

Business Continuity Plan (BCP)


The plan for the

company to restore the
systems and function as an operational
business again.


Partial vs. complete recovery


Critical Systems


Prioritization,

triage

End