Worth Reading: Legacy software and Evolution

In case you’re wondering why we’re stuck with old stuff like TCP, IPv4, OSPF, and a few other bits and pieces that were invented decades ago when we could be using the glitzy controller-based software-defined whatever, read the blog post by Martin Sustrik. He talks about software, but we’re facing the same challenges in networking.


  1. Which is why an enterprise using an ERP system cannot, in principle, decompose it by functional service and, using Fowler's Strangler pattern, evolve to a replacement. Oh. Wait.
    [Composed using my Blackberry]
  2. I remember the weeping of programmers when they got assigned to work out how to calculate sales taxes in the USA for our service.
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