1 What is architecture modernization?

This chapter covers

  • Modernizing for competitive advantage
  • Adopting a holistic approach to architecture
  • Connecting architecture modernization to business outcomes
  • Architecting with independent value streams
  • Approaching modernization as an evolutionary journey

Antiquated legacy architectures are a business risk and a competitive disadvantage. They are difficult and slow to change, more expensive to maintain, and prone to unreliability, handing the advantage to your competitors. Southwest Airlines demonstrated this during its 2022 scheduling crisis caused by a decades-old scheduling system. In one week, 14,500 flights were canceled, and its brand suffered stinging damage as it became a top international news ...

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