The Billy Bob data center, located in Hoboken, NJ$.,$ the last quarter of the previous year went through a major overhaul of the platforms. This included upgrading to the latest Windows server and RedHat OS versions, migrating to SSDs$,$ and the latest router and switch OS releases. The central and west coast data centers will be performing the same upgrade later this year. Discuss how long outdated hardware and software components and any backups should be stored in case there is a need to back out and reinstall. What considerations should be taken into account when determining the appropriate time to discard old equipment or to upgrade systems?