�ݺ�ߣ

EDLC-EMBEDDED PRODUCT DEVELOPMENT LIFE CYCLE

 Introduction
 What is EDLC
 Why EDLC
 Objectives of EDLC
 Different phases of EDLC
 EDLC approaches
 References

Software development company - SDLC
Product development company - EDLC
Example – Preparation of any food dish
 Dish selection and Ingredient list
 Procurement of the items in the list
 Preparation and initial taste testing
 Serving and final taste testing
Embedded Product development view
 Father - Overall management
 Mother - Developing and testing
 We - End user /client

 EDLC is an Analysis-Design-Implementation based
problem solving approach for the product
development.
Analysis – What product need to be developed
Design – Good approach for building it
Implementation – To develop it

 Essential in understanding the scope and
complexities involved in any Embedded
product development.
 Defines interaction and activities among
Various groups of product development
sector.
 Project management
 System design and development
 System testing
 Release management and quality assurance

 Aim of any product development is the Marginal benefit
 Marginal benefit = Return on investment
 Product needs to be acceptable by the end user i.e. it has to
meet the requirements of the end user in terms of quality,
reliability & functionality.
 EDLC helps in ensuring all these requirements by following
three objective
 Ensuring that high quality products are delivered to user
 Risk minimization and defect prevention in product
development through project management
 Maximize productivity

 The primary definition of quality in any embedded
product development is return on investment
achieved by the product.
 In order to survive in market, quality is very
important factor to be taken care of while
developing the product.
 Qualitative attributes depends on the budget of the
product so budget allocation is very important.
 Budget allocation might have done after studying
the market, trends & requirements of product,
competition .etc.

 Project management (PM)
 Adds an extra cost on budget
 But essential for ensuring the development process is going in right
direction
 Projects in EDLC requires Loose project management or
tight project management.
 PM is required for
 Predictability
 Analyze the time to finish the product (PDS = no of person days )
 Co-ordination
 Resources (developers) needed to do the job
 Risk management
 Backup of resources to overcome critical situation
 Ensuring defective product is not developed

 Measure of efficiency as well as ROI
Different ways to improve the productivity are
 Saving the manpower
 X members – X period
 X/2 members – X period
 Use of automated tools where ever is required
 Re-usable effort – work which has been done for the
previous product can be used if similarities present b/w
previous and present product.
 Use of resources with specific set of skills which exactly
matches the requirements of the product, which reduces the
time in training the resource

 A life cycle of product development is commonly referred as the “model”
 A simple model contains five phases
 Requirement analysis
 Design
 Development and test
 Deployment and maintenance
 The no of phases involved in EDLC model depends on the complexity of
the product
Classic Embedded product development life cycle model

NEED:
 Any embedded product may evolves as an output of a need.
 Need may come from an individual/from public/from company(generally
speaking from an end user/client)
 New/custom product development
 Product re-engineering
 Product maintenance
CONCEPTUALIZATION:

ANALYSIS:
Analyze and
document
functional and
non-functional
requirements
Interface
definition and
documentation
Define test plan
and procedure
Requirement
specification
document
Document
review
Rework on
requirements
and documents

DESIGN:Deals with the entire design of the product taking the requirements into
consideration and focuses on how the functionalities can be delivered.
•Only i/p & o/p
are defined here
•Product will look
like a black box
•Sent for approval
from client
•Generates detailed
architecture
•Detailed
architecture also
needs approval

DEVELOPMENT AND TESTING:
 Development phase transforms the design into realizable
product
 Design is transformed into hardware and firmware
 Look and feel of the device is very important
Testing phase can be divided into
 Unit testing – independent testing of hardware and firmware
 Integration testing – testing after integrating hardware and
firmware
 System testing – testing of whole system on functionality
and non-functionality basis
 User acceptance testing – testing of the product against the
criteria mentioned by the end-user/client
 Test reports

DEPLOYMENT:
 A process of launching fully functional model into the market
SUPPORT:
 Deals with the operation and maintenance of the product
 Support should be provide to the end user/client to fix the bugs of the
product
UPGRADES:
 Releasing of new version for the product which is already exists in the
market
 Releasing of major bug fixes.
RETIREMENT/DISPOSAL:
 Everything changes, the technology you feel as the most advanced and
best today may not be the same tomorrow
 Due to this the product cannot sustain in the market for long
 It has to be disposed on right time before it causes the loss.

EDLC APPROACHES:
Linear/Waterfall Model:
Conceptualization
Need
Analysis
Design
Development & testing
Deployment
Support
Upgrades
Retirement
Each phase of EDLC is
executed in sequence
Flow is unidirectional
Output of one phase
serving as input of other

Iterative/Incremental/Fountain EDLC Model:
Cascaded series of linear models
Do some analysis, follow some
design, then some implementation in
cycles
Repeat the cycles until the
requirements are met

Prototyping/evolutionary model:
 Similar to iterative model, product is developed in multiple
cycles
 The only difference is the model produces more refined
prototype of the product at each cycle instead of just adding
the functionality at each cycle like in iterative model.

Spiral model:
 Spiral model is best suited for the development of complex embedded
products and situations where the requirements are changing from
customer side.
 Risk evaluation in each stage helps in reducing risk

Conclusion
In order to make best profit out of product what you
do, development life cycle is very important. To
build a reliable product, of best quality, functionality
and to release your product in right time.
EDLC will make things easy for sure!!.

REFERENCES:
 Introduction to Embedded System by Shibu K.V
 http://www.luxoft.com/embedded-systems-
development/product-life-cycle/
 http://geny-agile.blogspot.in/2010/09/product-development-
life-cycle-of.html

�ݺ�ߣ

EDLC-EMBEDDED PRODUCT DEVELOPMENT LIFE CYCLE

More Related Content

EDLC-EMBEDDED PRODUCT DEVELOPMENT LIFE CYCLE