A customer has recently acquired another company that is located less than 3 km from their current main location. Both locations use HPE B-Series products in their storage environment. The customer…

A customer has recently acquired another company that is located less than 3 km from their current main location. Both locations use HPE B-Series products in their storage environment. The customer needs to merge the 2 locations together while still using the current WAN and networking infrastructure at both locations. They need to keep their initial cost down until they are able to redesign both networking infrastructures. Which protocol should be incorporated when providing a proposal to meet the customer needs?