Sdlc: - Software Development Life Cycle Hld Lld -
: The LLD for a chat app would specify using AES encryption for messages and defining exact database columns like Message_ID and Timestamp . Comparison Table: HLD vs. LLD SDLC: - Software Development Life Cycle HLD LLD - image
HLD serves as the architectural roadmap, defining "what" the system will do and how its major parts connect. SDLC: - Software Development Life Cycle HLD LLD
: Typically created by Solution Architects or senior developers. Input : Software Requirement Specification (SRS). : The LLD for a chat app would
LLD provides the detailed "how" of the system, acting as a direct guide for developers to write code. : Typically created by Solution Architects or senior
: Overall system architecture, technology stack, and major modules (e.g., Database, UI, Security).
: Designing a chat app's HLD involves defining the Messaging Service, User Database, and Notification System. Low-Level Design (LLD): The Micro View
Using a real example from the hospitality management field If you’re a postgraduate student at Kenyatta University, chances are you’ve
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