Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Source – techrepublic.com Waterfall program design was first described in 1956. It continues to operate today in companies because of the volumes of legacy software that IT still supports. Waterfall is also an excellent, step-by-step software development methodology that has proven itself for decades. The methodology is named waterfall because application development flows only