A disposable hearing device is adapted to be positioned entirely within an ear canal for extended wear therein. The locking catheter includes an elongated body member including a proximal portion and a distal portion, a first proximal member, an elongated flexible member, and a second proximal member releasably couplable to the first proximal member to allow selective locking and unlocking of the elongated flexible member therebetween. Alternatively or additionally, the information does not meet domain name specifications, for example, being in a free-form format. The processor then reads data from the identified region, and either the DRAM or the memory controller generates error checking and correcting syndromes from the read data. This avoids packet flooding in Data Center when VM was migrated.