Laudon_MIS13_ch05

•

•

Computer hardware platforms

Computer hardware platforms

–

– Client machines

Client machines

•

• Desktop PCs, mobile devices—PDAs, laptopsDesktop PCs, mobile devices—PDAs, laptops

–

– Servers

Servers

•

• Blade servers: ultrathin computers stored inBlade servers: ultrathin computers stored in racks

racks

–

– Mainframes:

Mainframes:

•

• IBM mainrame e!uivalent to thousands o bladeIBM mainrame e!uivalent to thousands o blade servers

servers

–

– Top chip producers: AMD Intel I!M

Top chip producers: AMD Intel I!M

–

– T

Top "r

op "rms: I

ms: I!M #

!M #$

$ De

 Dell S

ll Sun

un Micros

Microsystems

ystems

Infrastructure Components Infrastructure Components

•

%perating system platforms

– %perating systems

• "erver level: #$% run &ni' or (inu') *$% run +indos • Client level:

– -.% run Microsot +indos /0P, 1..., C2, etc34 – Mobile5multitouch /Android, i6"4

– Cloud computin7 /8oo7le9s Chrome 6"4

•

Enterprise software applications

– Enterprise application providers: SA$ and %racle

– Middleware providers: !EA

• Data management and storage

– Data&ase software:

•IBM /DB14, 6racle, Microsot /"(

"erver4, ";base /Adaptive "erver

2nterprise4, M;"(

– $hysical data storage:

•2MC Corp /lar7e<scale s;stems4,

"ea7ate, Ma'tor, +estern Di7ital

– Storage area networ's (SA)s*:

•Connect multiple stora7e devices on

dedicated netork

• )etwor'ing+telecommunications

platforms

– Telecommunication services

• =elecommunications, cable, telephone

compan; char7es or voice lines and Internet

access

•A=>=, ?eri@on

– )etwor' operating systems:

•+indos "erver, (inu', &ni'

– )etwor' hardware providers:

•Cisco, Alcatel<(ucent, ortel, uniper etorks

• Internet platforms

– #ardware software management

services to support company ,e& sites

(including ,e&-hosting services*

intranets e.tranets

– Internet hardware server mar'et: I!M

Dell Sun (%racle* #$

– ,e& development tools+suites:

Microsoft (E.pression Studio /)ET*

%racle-Sun (0ava* Ado&e 1eal

)etwor's

• Consulting and system integration

services

– Even large "rms do not have resources for full range of support for new comple.

infrastructure

– Software integration: ensuring new

infrastructure wor's with legacy systems – 2egacy systems: older T$S created for

mainframes that would &e too costly to replace or redesign

– Accenture I!M 3lo&al Services EDS Infosys ,ipro

• The mo&ile digital platform

– Cell phones smartphones (i$hone

Android and !lac'&erry*

•Data transmission, +eb surn7, e<mail,

and IM duties

– )et&oo's:

•"mall li7htei7ht notebooks optimi@ed or

ireless communication and core tasks

– Ta&lets (i$ad*

– )etwor'ed e-readers (4indle and )oo'*

• !%D (!ring your own device*

–

Allowing employees to use personal

mo&ile devices in wor'place

• Consumeri6ation of IT

–

)ew information technology emerges

in consumer mar'ets "rst and spreads

to &usiness organi6ations

–

7orces &usinesses and IT departments

to rethin' how IT e8uipment and

services are ac8uired and managed

•

_{3rid computing}

– Connects geographically remote computers into a single networ' to com&ine processing power and create virtual supercomputer

– $rovides cost savings speed agility

•

9irtuali6ation

– Allows single physical resource to act as multiple resources (i/e/ run multiple

instances of %S*

– 1educes hardware and power e.penditures – 7acilitates hardware centrali6ation

• Cloud computing

– %n-demand (utility* computing services

o&tained over networ'

• Inrastructure as a service • Platorm as a service

• "otare as a service

– Cloud can &e pu&lic or private

– Allows companies to minimi6e IT

investments

– Draw&ac's: Concerns of security relia&ility

– #y&rid cloud computing model

In cloud computing, hardware and software capabilities are a  pool of virtualized resources  provided over a network, often

the Internet. Businesses and employees have access to applications and IT

infrastructure anywhere, at any time, and on any device.

Figure 5-10

• 3reen computing

– Practices and technolo7ies or manuacturin7, usin7, disposin7 o computin7 and netorkin7 hardare

• #igh performance power-saving

processors

– Multi<core processors

• Autonomic computing

– Industr;<ide eort to develop s;stems that can con7ure, heal themselves hen broken, and

protect themselves rom outside intruders

– "imilar to sel<updatin7 antivirus sotare) Apple and Microsot both use automatic updates

• %pen-source software:

– $roduced &y community of programmers

– 7ree and modi"a&le &y user

– E.amples: Apache we& server Mo6illa

7irefo. &rowser %pen%ce

• 2inu.

– %pen-source %S

– ;sed in mo&ile devices local area

networ's ,e& servers

high-performance computing

• Software for the ,e&

– 0ava:

• 6bEect<oriented pro7rammin7 lan7ua7e • 6peratin7 s;stem, processor<independent

– #TM2+#TM25

• +eb pa7e description lan7ua7e

• "pecies ho te't, 7raphics are placed on +eb pa7e

• F=M($ is latest evolution

– Includes animation and video processin7 unctionalit; previousl; provided b; third part; add<ons such as Glash

• ,e& Services

– Software components that e.change

information using ,e& standards and

languages

– <M2: E.tensi&le Mar'up 2anguage

• More poerul and He'ible than F=M(

• =a77in7 allos computers to process data

automaticall;

•

S%A: Service-oriented architecture

– Set of self-contained services that

communicate with each other to create a

wor'ing software application

– Software developers reuse these services

in other com&inations to assem&le other

applications as needed

• 2'ample: an invoice serviceJ to serve hole

rm or calculatin7 and sendin7 printed invoices

– Dollar 1ent A Car

• &ses +eb services to link online bookin7 s;stem ith "outhest Airlines9 +eb site

• Software outsourcing and cloud

services

–

_{Three e.ternal sources for software:}

•

"otare packa7es and enterprise sotare

•

"otare outsourcin7

– Contractin7 outside rms to develop sotare

•

Cloud<based sotare services

– "otare as a service /"aa"4

– Accessed ith +eb broser over Internet

– "ervice (evel A7reements /"(As4: ormal a7reement ith service providers

•

Software outsourcing and cloud

services (cont/*

– Mashups

• Combinations o to or more online applications, such as combinin7 mappin7 sotare /8oo7le

Maps4 ith local content – Apps

• "mall pieces o sotare that run on the Internet, on ;our computer, or on ;our cell phone

– iPhone, Android

• 8enerall; delivered over the Internet