A method of processing packets includes receiving packets and assigning the packets to different pages, where each page represents a fixed amount of memory. The rack systems includes a rack assembly configured so as to be seismically rated for UBC Zone IV requirements. The method includes generating a process time line using operational parameters, a block flow diagram, and a set of scheduling cycles for each of a sequence of unit operations. The metallic outer part is preferably threaded for insertion into a socket and has a major, internal diameter D1.