In a world of three letter acronyms comes yet another -- a new specification from the Cloud Security Alliance. SDP or Software Defined Perimeter.

SDP approaches are meant to create a secure micro segment between the user and a host. But how are SDPs different from other perimeter security approaches based on firewall appliances or virtual firewalls?

Can SDPs eliminate the need for firewalls? Can they save money? Who provides the technology and what are the advantages? Security Current's Vic Wheatman speaks with Gartner Research Director Lawrence Pingree about this emerging technology.