During 2020, this leading e-tailer saw phenomenal growth of over 40% from the previous comparative period. They were hosting their infrastructure at a local DC. But the increase in demand was creating problems. Predicting what demand you could have is difficult when you host your infrastructure on-prem but is easy to overcome when you use Microsoft Azure. Crimson Line took OneDayOnly.co.za from on-prem to Azure during 2021 resulting in a stress-free 2021 Black Friday.