A method and apparatus of communicating data packets across the midplane of an electronic system in which the packets are partitioned into segments of a predetermined size and then serialized to a predetermined width. More particularly, certain example embodiments described herein relate to the negotiation and subsequent use of Trading Partner Agreements between partners in a Virtual Organization, the TPAs enabling resources to be shared between the partners in a secure manner. The aim of the invention is to provide a dolly which can be used for the most varied applications and a method for inspecting pipe sections using a dolly andor for representing the result of inspection.