SDLC ppt

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Agenda:

  SDLC

  Models:

  Water Fall Model.

  Spiral Model.

  Agile Model.

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SDLC:

  Stands for Software Development Life

Cycle.

   Standard model used word wide to

develop a software.

  Necessary to ensure te !uality of te

software.

  Logical steps ta"en to develop asoftware product.

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SDLC:

#.  Analysis.

$. %lanning.

&. 'mplementation.

(. )esting.

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1-Analysis:

  The first and the most important phasein the SDLC.

 Determine where the problem is.

  Breaking down the system.

  Requirements.

 ust be done !arefully.

 "ny error in this phase will !ost a lot ##

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2-Planning:

 Determine wo will do wat *

  )as"s are assigned to team mem+ers.

  't all starts ere.

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3-Implementation:

 $The most e%pensi&e phase.

  "lso the longest one#

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4-Testing:

  The ne&er ending phase.

  'n this phase we T(ST) T(ST) T(ST)and T(ST.

  *ery important phase.

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SDLC Models:

  +ater ,all odel

Spiral odel

  "gile odel

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Water all Model:

The waterfall model is

the oldest and most

widely used model in thefield of software

development.

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Ad!antages "

Disad!antages:   Advantages:

Linear model.

Do!umentation.

Testing -software

!oding.

  Disadvantages:

/nidire!tional.

/n!lear requirements

lead to !onfusion.

Client0s appro&al is in

the final stage.

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Spiral Model:

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Ad!antages "

Disad!antages:   Advantages:

Large and !ompli!ated

pro1e!ts.

"daptability with

!hanges.

Testing at ea!h phase.

  Disadvantages:

+orks on !ompli!ated

pro1e!ts only.

"n e%perien!ed and

skilled team are

required.

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Agile Model:

%rioriti,e

-erification

'mplementation

Design

e!uirements

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#ey eat$res o% AgileSo%t&are De!elopment:  'terati&e.

"!ti&e Customer in&ol&ement.

  ,i%ed Time.

  2riority based deli&ery.

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#ey eat$res o% AgileSo%t&are De!elopment'(ont)d*:  "dapti&e.

  (mpowered Teams.

  Rapid de&elopment.

  Simpli!ity.

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Agile &or+ing ,o& ST./0A.D:

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Ad!antages "

Disad!antages:   Advantages: Customer Satisfa!tion.

Sa&es Time.

Testing.

Suitable for fi%ed or!hanging requirements.

  Disadvantages:

3ot suitable for handling!omple% dependen!ies.

ore risk ofsustainability)maintainability ande%tensibility.

Stri!t deli&erymanagement di!tatesthe s!ope) fun!tionalityto be deli&ered) andad1ustments to meet thedeadlines.

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S$mmary:

  SDLC

  SDLC Models:

  Water Fall Model.

  Spiral Model.

  Agile Model.

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