A header-to-bit conversion table is provided that includes a list of address headers for registered endpoints. The number of the retaining elements is the same as the number of the retaining holes, each rim protruding outwardly from a distal end of one of retaining elements. In response to receiving the report, the access terminal compares the first set of reservations with a second set of reservations, wherein the second set is a set of reservations that the access terminal is maintaining with respect to communicating with the access node. Information is stored with the compression. When the volume of ice is received within the housing, the lid may be closed and the spikes evenly distribute the ice within the housing. Crash-relevant occupant protection systems are triggered at respective times determined in terms of the achievable protective effect of the occupant protection system when occupant risk threshold values are exceeded.