Manageability tools are provided for allowing an administrator to have better control over switches in a lossless network of switches. The method includes: establishing a data channel between a user equipment and a gateway, and allocating an Internet Protocol address to the UE according to an address allocation request or a data channel setup request sent from the UE; and triggering the policy control entity to establish or update a policy control session according to the IP address. One of the cover and the receptacle has a plurality of ramps and the other has a plurality of shoulders. The double sided electrode capacitor provides a capacitor that has high storage capacitance which provides an increased efficiency for a cell without an increase in the size of the cell.