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UNIT:2 Dashrath
Nomdam
Caud lompuating sufecs do manipulating s cntiguning
and accsing thi asslicalin suun h intomet
t Coud Sexuices Models
V Fumctien as
Mat cleud computinq senicu talls ino fie broad cakyny
D SotoaYe as a envice( SaoS). Plafom as^ a^ seuice^ (^ PoaS). Jntastrckune as a deuice ( Taa S)
as a Beuice (FaaS)
4)SoaS: Setuase as a Seuia
ABbucaton
SaaS is a ay bt deliueing senics amd apliza! BUBH Hhe intismet he seuia prsuidn she beuiling applotin sn tom f duuia
Wes Porlaf Buxines aPPStentihe Ag OPem Sounce Pform
Web- bose AþplicaHon Gienenal APP Ommeeia Platoam
Date Page
) (^) Saas is (^) easy to (^) buy. D On-demamd seuice
) Less haxdwaye Hequired.
- (^) Loo (^) maintenance Hequired VNo- rnt side instalation:
Soas Prouiders : Gooqle ApPs Salesforce- Com, Miorog 0ft Oftce 365
D Secwiy
ovenment HF! lo thesl
Disadantages
Lasency
DTotal Dependency on inknet isues
- PaoS^ :^ Platom^ os^ a^ Sexvte
Platform
Paas puauides^ a^ latform^ anol^
enOnment to alla
deuelepers to^ build^ aEslications^ and^ deucs ouer^ nb
hoqramminy TDE
Stanbily ElasHcity
i) Lower Ysk
Infastchne
Computing (^) Reyource 200 Netuovk
Examples : bcogle App Engine s Azue
*Aduantageu
DSimplijld Delebment
i) Scalablby
Runtime Enivronment
Development Toos
Availablit) Performance
ReliablibyOhinizaton
*Aduantages
Benpits : konontical
ozt Sairng
iV Low lateney
alseMAte Date
- TooS: Infastuctue asaseil iasl Iaas breutdes on-demand cces to computing LswnLS such ns suwEA, bHorage, nekuokinq and wintaligatin
Page
SystemInterta ontve
Resouree Nanagement nk2kace Syskem lonitoing Tnkeijae
Virtuali'zation Layer
mamageablib Sntesetesatfhlty Storage Resoue
|Comþukng Sysem) Nekwrk Syslem Stoyage
" Vendor lock-in
"Data Privacy
Tntepratien uith Syg
Disadvantage
Hiciend Reliable Scalable
Limited (^) Contod over (^) intastuctne Secusiby Concwn " Lemitd aces.
System
* SeuLice Oxienteod Auhitectuse (SOA)E
*Chaactenistic o SOA:
SOA is astage in the euslutio t pplicaten douelspment and/or integratibn SOA is am
anchitecural absach in which aplicatin
amake uL sf sonices auailable in the netuonk. fAroideHaydubaeaas (^) RoasProuide aspic^ duvalopmort^ ) Plattorm
Prouide intexoberability bekueem deia
i) Bouide methods toySeuie encabsulation:
i) Faciltats gos(Qualiky f Se'es )
i) (^) Preuicl (^) loasely (^) Ceusles (^) donices Ease e maimtenonce
CcleudsOA, CoppuySooS Pouide neoork deliveyed IT QSblic.
*ue majer Heles withinSOA:
Seuice Soxuuice Regbonse
Seice Regucst
Preuide
eniOnment
) Seuica Buouiderys the
maintainers he^ suit. and (^) organiya tien (^) hat (^) make (^) deriuc (^) available to (^) Ghus i)Serut censumor,
Dataclssate
Conbact
Page.
oAhplicaton fronkend Seuice (^) Svuie yepository
mplementakon
bo SSeLiceOirted rehitechwre
Souice Consumen
Souie bu
Intoace
buiding Pinciblex of SOA:
Sondadized deicL (ontact:Specified
LO0se hrough^ Aorice^ dusc^ du
(oupling deuLOS Ae delf - tontained
3 Comjonent.
Abshacktan :^ hay hide hein lbgic,
4Aukonomy encapaulaled^ uihin^ implemenlakin
6)DiscovNabildty 9Comjesability
Aoblicatin :
DSOA imknastructe lsed by many
i).SOA s aumi^ and^ ain-^ fores
LALd to imþAOve healhcane
delivey i)m SOA^ hels (^) mainin (^) musums aa irtalged bost^ for (^) thein (^) into
i) Paifom independent
Dels
lent
Tntened
"ComylerDisadantags Soice
managemont " High irwestment High Overhead.
AWebsenuice is
astandasdid methed fsr bespogtig
mesage betucen client and deuer aslicatiin on
he wld uido ueb " dt is a set at spen bestocole and
standand hat (^) alleu (^) data (^) nchange bw (^) clkerant yitind ResborsL (^) from (^) Sever to (^) client]
Sower
fequest faon ciint to Seruer
-ent
Senuer Heuting the eb Svutas
AL and HTTP is the maat fndamental b
Souice plafm
Feaknes o^ Cleud Computing Architeckuxe
Automatic. system cteud^ Compung
APpicakor OS /Lib
Resource Pooing
t (^) VHtuliFatiin in (^) Ceud
Cemputin
Make oveH all clsud Computing Systern
sinpler " (^) Smþrove (^) data þrocessin (^) Hequirementi
Date Pace
APPlicaton OS lib:
Hypexuiser 'Host oS
,on (^) demand (^) Selt- (^) Souice
Vistuale&atien u the"Creatien sta uirtual Vexsien &t
Swn desktes , a storage deuie, am OS, ete
Economicol
Jhemachine on wWich btual machine isgoing to cate is kmesn as Hat machine nd that uitual machint is Hefered as a Guest machine
Sewer HardwaHe Yirtuaaation
Rotswrce Preuisienlng
Scalakilthy Dnd Flexibiity
Reseunee elng
Availabilay
APPlicaien Os/ibrai
Cost eficiency Sice Mkddmedet^ oas,^ Pacs, "Global deeniilily
4
bashrath Nandam
Iybes ofVirtualtoa Hon.
Appication irtualiz ahon
Desktop iYHalizaion Nelwork Vitualiyaion
Servet
Mirkualization
Storage
Ve.ralizaticn
Netuerk VintialgaHon Vital NJa Uer
dhe abilihy to Yun multple uiutual etuonks wlth each
and dat pan tt o-enist gthes.
physical mehw st:
Datealesate Page
Apbication NóyBualiFation:^ dt^ hebs^ a^ user^ to^ hae^ Hemgt Laccess to an^ asblication^ hom^ a^ seuueu^ Jhe^ tviwn Atoes a the bensonal into and her Chanact of the ales.
Data
Vivuoliakin
Vint: No 0seh. Sia frouider Nit Nw0Perator Met Nlo Proudes
Infr Prouider Intr. Priuds
} Desktsb Visehaligatin: t alewH Hhe sens 0s to be
Hemstely dtold em a soueh in data centes Ih u eces thei desktep inhally by diterent machine
he physial donag puem mutple netuok storage
dhuia" to be managid and utlid as a single
Aejesity
Senuws (^) Nichualation: hiu is (^) a kind (^) et (^) utualjatin
in which mtiking sf semues Sane take placl'
is diuided into
Seen steb_model^ s^ migrakion^
into a^ claud
Cleud mioation^ s^ thansfomatin^ rem^ sld tadtinni
busimes `beratiens do bustines gþenakfen and þroM hufsto
MALin the^ digital^ businen^
cheatien to^ cleud
Discover
AneOsment
maintain
Skpl: CheLL^ he^ kight^ cleud^
tuBuidexAsehment St) Slep2:Pcþane 4yeu^ data^ (ustation^ SFep)
Step3:ChB44L yeux cleud Storage apping Ste)
Step 4: Set^ up^ jowr^ cleud^ cembutng^ HesswnCe^ and^ deey
yowr model^ (Re-anchileet^ ste)
ACled
Skþs: leeag^ Coud^ knchonalthin^ Rfeahure^ (Agmentahen^ sK)
Skp6: tut your model
Stes 7: tate ana phinige j montto and nainkain you landl
Clsud MigraHon Shategis o Apbroaches :
Delemind
holateMappingke- axchithet
Rehest
Repatfom
HRepnchase
Relair
Rehe
astingh ugnent
Date Page
PlaHorm |BuySaas coTS
USe mig: Tool Modity Tnhgst
ALD/
Deploy
VALIDATZON
Transihon-
cdaceate
Re-hodthng: Also knouon as" lA amd skifH" Redeploy eatny data amd abblication on the cloud gerver atll:
Date
2: Re-blatfom:Also Krna wn as" H, modiky and Shit'y the ahplitaten
ul be tuueaked amd optimiged tor the cleuc
Page,
3- Reuise:^ More^ changes^ aHe^ Heguired^ to^ the^ achitechure
and codehase" hile moung to^ clard
4 Rebuilditis crsidered hen the existing ahllicatien clo mot meet^ hencurent^ busine^ modol
6 Reslace : Reblacing inuslues miyoton to a hidt pat
spre -built applieaen
6 Relire^ i^ Abslicaton^ mo^ longer^ e^ helspul^
to busines^ ae
tuming
Scalabikty
Prfomance Praduckiuy
XChallengsi
7 Retain^ :^ Retain^ the^ aEplic?^ asis^ and^ can^ Yeist^ tor^ cloud^
migntn
Mauing a^ database^ i^ dyicult
neHabenabiltty becomes^ aa^ pDblem
Secuity céncea
ReliabililyFlxikiltly , rfatabilty s
Full- Btack in7aatuchue and þatom Aorie XoLo- Clik Oberalion amd machine intelliYence:
taegrated secwity amd govenancl.
Abplicaten -Lenbic mebiliby
Combanents of entexbaise cloud managemend:
"Unified Gtovernamce model.
classmate Date
Fasten Hespense^ from^ IT.
Page
Bencita at utelaing am entospise cleud trategy Focls n^ the^ end^ User
