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Rechtin on Ultraquality - Redundancy and Fault Tolerance

The Writings of a Complex Systems Architecture Legend

Ken McCormack

Software Developer | Application Architect | Audio Engineer

February 04, 2018

In his classic (but criminally overlooked) 1991 book "Systems Architecting, Creating and Building Complex Systems," Eberhardt Rechtin discusses technical, managerial and architectural responses to the challenge of building high quality systems. Despite being several decades old, 'modern' techniques like Lean manufacturing . . .

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Neal Ford Devops and Mircroservices

Architecture for Continuous Delivery

Ken McCormack

Software Developer | Application Architect | Audio Engineer

April 12, 2015

An interesting interview with Neal Ford on Devops and Microservices.

Check out the discussion on testing from 10m30s

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Architecting Continuously Testable Systems

Testability Quality Factor for Continuous Delivery in Digital Systems

Ken McCormack

Software Developer | Application Architect | Audio Engineer

April 06, 2015

TL;DR; When we architect systems using automated testing and test-first approaches, we quickly see testability constraints move to our system boundary. Low testability quality factor in external services is a key constraint on our ability to continuously prove our system is in a state of production readiness. We require external systems to . . .

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Legacy Architecture and Testability

Manual Test Teams and Testability Architectural Debt

Ken McCormack

Software Developer | Application Architect | Audio Engineer

April 05, 2015

The architecture of specification subsystems has always been critical to quality factors like cycle time -

Industry estimates indicate that between 30 and 50 percent (or in some cases, even more) of the cost of developing well-engineered systems is taken up by testing. If the software architect can reduce this cost, the payoff is large. . . .

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