Disclosed are methods and systems for formulating a wirelength estimate that takes into account whether any of the routing directions are unavailable. If a priority level associated with a data packet identified by the operation has a first designation, placing the operation into a first structure with a least number of operations. When the pressure acting on the element exceeds the threshold, the force resisting opening the element is overcome and substantially eliminated, whereupon the suppressant discharges through the outlet. Each of these pumps can be tailored to the corresponding output level, such as the number of stages being higher in the pump to supply the higher output level.