IO nodes are dynamically distributed on a multi-node computing system. The delivery wire assembly also includes a core wire disposed in the conduit lumen and having a distal end coupled to an occlusive device. The method also includes holding, by the notification manager, the notification in a notification queue. The r1 registration symbols, taken in a defined sequence relative to a physical layout of the tag-shaped array, form a registration codeword of length r1. Securing the ends of the intravascular device to the wall of a blood vessel is performed via a set of at least two staplers, each having several simultaneously deliverable fasteners. Even if the structure of the DD error size calculation unit is modified in order to obtain the absolute value of the first error, the number of gates is reduced, error update speed is improved, and the size is made smaller while maintaining the performance of the G-pseudo channel equalizer in the conventional art, whereby the performance of the receiver is improved.