There can be several reasons to upgrade vSphere to the latest version:
- Extend the support and the life cycle of the product: VMware vSphere 5.5 will have an extended support and will reach end of general support in September 2018, VMware vSphere 6.0 on March 2020, and vSphere 6.5 on November 15, 2021.
- Have a new product: It provides new features but also new hardware (and other new software) may require or have some benefit from this version.
- New infrastructure functions: Such as the new high availability features; we will discuss all those functions in upcoming chapters.
- New security functions: Some are really cool and unique, but data at rest protection using encryption could also be possible not only at hypervisor level (in ...