Patent ID: 6868416
Filing Date: 2005-03-15
Classification: H04L,H04Q,Y10S

Abstract:
1. A hierarchical routing method using an internet address system introducing a zip code system, wherein a routing process is performed in the internet address system, by using the zip code system consisting of hierarchical administrative district codes, the hierarchical routing process being integrated or segmented according to the respective steps of the zip code system in countries worldwide, the hierarchical routing process further comprising: a first step wherein a router of a high level area code hierarchy identifies a high level area code in the zip code system, and forwards to a corresponding high level area; a second step wherein a router of a middle level area code hierarchy identifies a middle level area code in the zip code system, and forwards to a corresponding middle level area; a third step wherein a router of a low level area code hierarchy identifies a low level area code in the zip code system, and forwards to a corresponding low level area; and a fourth step wherein a router of a subscriber ID number hierarchy identifies a subscriber ID number, and routes to a destination identical to the subscriber ID number.