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IT Architecture - Coggle Diagram
IT Architecture
what ?
A blueprint of IT assets in your portfolio describing what they do and how they interact
Corporate IT Architecture : The Big Picture
Enterprise Architecture : How a firm's corporate IT apps, infrastructure and data are organized
Layer 1: Infrastructure architecture
Firmwide digital plumbing used by all line functions and apps
IT hardware : PC, tablets , servers ,storage devices
Firmwide arrangement that are relatively stable , generic commodity and rarely a competitive differentiator
Must be reliable but economical
Key choice to level of centralization
Centralized
Costlier to build
Cheaper to run
Decentralized
Cheaper to build
Costlier to run
Layer 2 : App Architecture
choosing where to locate the three pieces(interaction , app logic ,data storage) between centralized 'server' and user devices
has irreversible operational and strategic consequences
three building blocks
Interaction
App logic
Data storage
Three arrangement
Cloud architecture
all heavy lifting is done on the server side via the ' cloud '
Clients can be feeble & cheap
Centralizes everything
Easy maintenance
Low upfront costs
Client-server architecture
centralizes only data; clients do heavy things
newer cloud-inspired
Service-oriented architectures
Micro-services
Peer-to-peer architecture
No central server
every client performs all app functions
infinite , dirt cheap scalability
zero control over user devices
Layer 3: Data Architecture
where is your firm's data stored
integrated firmwide data is the foundation for automation and analytics
Widespread problem
Proliferation of duplicated
Inconsistent data
Causes
Fragmented across app
Geographic dispersion
Solutions
Replication
Partitioning
Solution
Data warehouses
Non -IT managers must decide
what data should be centralized firmwide for executing core business process or for analytics
what data must be shared across your markets