VMware Workstation is used by many to create and test virtual machines in an isolated environment before uploading them to the production environment. This is made easier by the option to upload virtual machines directly to vSphere and ESXi. To use this functionality, it doesn't matter if you're in a vSphere environment with unmanaged hosts, or if you have hosts managed by vCenter Server, both environments are supported.
Even if VMware Workstation and vSphere come from the same vendor, there are some significant differences between the two solutions. The most important difference relates to networking, so it makes sense to develop a plan with regard to the networking architecture before starting to upload virtual machines to vSphere.
There are big differences between the networking options that are offered by vSphere and the networking in VMware Workstation. The differences might seem so significant...