Differences betweem High level design and low level design :
•HLD is a overall system design where as
LLD defines the actual logic for each and every component in the system
•Data flow, flow charts and data
structures are covered under HLD
•Class diagrams with all the methods and
relation between classes comes under LLD. Programs specs are covered under LLD
•For HLD
–Entry Criteria : SRS
–Exit Criteria : HLD, projects standards, the functional
design documents, and the database design document
•For LLD
–Entry Criteria : HLD
–Exit Criteria : program specification and unit test plan
(LLD)
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