Systems and methods for enabling a slave device to generate a tag that is an index into a buffer where the slave device stores information related to an active transaction such as a write command received by a master device. The expandable frame includes an expandable header assembly, an expandable lock-side assembly and a hinge-side piece. The pulse forming network may rotate in unison with the gun barrel allowing cables to couple the pulse forming network and the cable barrel. If the DNS query cannot be resolved based on cached information, the primary node sends the DNS query outside the ad hoc network for resolution.