The present invention aims to provide a hydrophilic modified polyrotaxane composition having excellent storage stability. The RF switch includes switching and shunting transistor groupings to alternatively couple RF input signals to a common RF node, each controlled by a switching control voltage or its inverse, which are approximately symmetrical about ground. Subsequently, the MSDP speaker can simply resend the key, without also sending all of the associated source addressgroup address pairs, in order to refresh the SA information at the peer. The design structure may also specify that if a particular processor core exceeds a predetermined temperature, the processor controller disables that processor core to allow that processor core to cool.