Explain about V-model?

Answer Posted / muthu

V-Model is one of the software development model, it is
suitable for short-term projects.
here both verification & validation activities are done
parallely as soon as get the requirement from the customer.
In v-model, left side of v is Verification done and right
side of v is validation done.
In verifiction side, get the requirement from customer(CRS)
& then that CRS is extracted as Software Requirement
Specification(SRS)& then SRS is converted to Architect
design(HLD)ie,high level design document it's done by
Senior Architect & then HLD is divided as LLD(low level
design document)is done by Senior software enggr.
and then coding will be done based on LLD.here all
documents are verified and reviewed.

and other side of v-model is Validation activity,
here from bottom to up like wise unit tesing is done based
on LLD document,then Integration testing is done based on
HLD document, then System testing is done based on SRS
document after finish the System testing , end project move
across to Customer side, here customer done Acceptance
testing based on CRS.it consists of two testing one is
alpha testing is done controlled environment at developer's
site with customer involvement,
and another one is beta testing is done by end user at real
world condition.

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