A company has a data center, which hosts production services, as well as development and quality assurance services. The network infrastructure for all services should be isolated. The company also…

A company has a data center, which hosts production services, as well as development and quality assurance services. The network infrastructure for all services should be isolated. The company also needs a highly available, resilient large Layer 2 network for each set of services. What are two technologies that could be combined for the data center Layer 2 solution?