| 摘要 |
<p>A search group is divided into primary and secondary groups. The client devices having unique value within the primary group, have initial address (b). When several client devices are assigned with the address (b), the primary group is set as search group and that group is divided until a single client device is located with the address (b), otherwise secondary group is set as search group. An Independent claim is also included for client device.</p> |
