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Terminology

2205 terms, tools, patterns and metrics an architect is expected to use precisely. Each one gets a short explanation of what it is, and — where it matters — what it is commonly confused with. Search filters as you type; the column headers sort.

All areas2205 Architecture Fundamentals77 Distributed Systems107 Data Architecture110 Cloud Architecture94 Networking88 API & Integration Architecture82 Reliability & Resilience75 Observability70 Performance & Capacity Engineering72 Security Architecture86 Cost Architecture & FinOps71 Business Architecture67 Architecture Communication67 Enterprise Architecture66 Legacy Modernization71 AI-Era Architecture69 Software Architecture & Engineering71 Architecture Patterns71 Architecture Decision-Making63 The Architect's Meta-Skills61 Delivery & Release Engineering66 Platform Engineering & Developer Experience70 Testing & Quality Architecture66 Data Platform Architecture64 Streaming & Real-Time Data69 Data Governance & Semantics69 Frontend & Experience Architecture66 Edge, Mobile & IoT68 Regulatory & Data Protection Architecture65 Assurance, Audit & Model Risk64
Kind Any concept794 practice734 pattern368 metric125 case-study77 tool62 protocol45

5 terms shown.

Term Kind Topic What it is
Head-of-Line Blocking concept HTTP/1.1, HTTP/2 & HTTP/3 One delayed item stalling everything queued behind it, even when the rest could have been processed - the failure mode that ordering guarantees create.
HTTP Protocol Versions HTTP/1.1, HTTP/2, HTTP/3, QUIC protocol HTTP/1.1, HTTP/2 & HTTP/3 What each HTTP version changed, which problem it solved, and where the benefit actually shows up.
HTTP/2 Multiplexing protocol HTTP/1.1, HTTP/2 & HTTP/3 Carrying many concurrent request/response streams over a single TCP connection, removing the need for multiple connections per origin.
Idle Connection Race Keep-Alive Race, Idle Pool Reset concept HTTP/1.1, HTTP/2 & HTTP/3 The unavoidable window where a server closes a pooled connection just as a client sends a request on it, producing a small error floor that is worst when traffic is lightest.
QUIC HTTP/3 protocol HTTP/1.1, HTTP/2 & HTTP/3 A transport built on UDP that provides streams, encryption and congestion control, removing TCP's head-of-line blocking and reducing connection setup latency.