KR20010054226A - Addressing architecture and hierarchical routing method for IPv6 network using PSTN number structure - Google Patents

Abstract

PURPOSE: A number system structure adopting a telephone network number system to an Internet address system and a hierarchical routing method using the number system are provided to easily recognize an IPv6 address of a user terminal even with a user's phone number by using an E.164 number system, and facilitate interworking between a phone number and the IPv6 address so as to be convenient for designing and allocating the IPv6 address by an Internet provider by adopting the current E.164 number system to the IPv6 system. CONSTITUTION: In an address system of total 128 bits, an TIU-T E.164 number system is adopted to a bit except for a TLA ID. That is, the ITU-T E.164 number system is constructed with decimal number, and when it is transformed into a binary number, it can be contained in an address space except for the TLA ID. A router of a country code hierarchy searches a country code by using the E.164 number system and forward it to a country(A1). A router of a local area code hierarchy searches a local area code and forwards it to a corresponding area(A2). A router of a prefix code hierarchy discovers a destination which is identical to the subscriber number(A3).

Description

Addressing architecture and hierarchical routing method for IPv6 network using PSTN number structure}

The present invention relates to a structure in which a telephone network numbering system is applied to an Internet addressing system and a hierarchical routing method when using the structure. More specifically, when using IPv6 addresses in an Internet public network, the International Telecommunication Union (ITU-T) for IPv6 addressing The structure of the IPv6 address system that accommodates the E.164 numbering system and the hierarchical routing method using the E.164 numbering system when routing using the structure.

Currently, the International Telecommunication Union (ITU-T) 's E.164 numbering system is applied to the global telephone network, and this number system is also accepted and serviced in Korea's domestic telephone network.

In addition, the Internet public network currently uses an IPv4 addressing system to distinguish computers or related devices connected to the Internet. This is because the official IPv4 address assigned to a computer or device is the only one in the world. However, due to the explosive growth of Internet users, official IPv4 addresses represented by 32 bits are in danger of being exhausted. To address this, a new IPv6 addressing system has been created. IPv6 addresses support 128 bits, and IPv6 addresses are currently distributed.

In the IPv6 addressing system, some of the 128 bits are used as Top Level Aggregation identifiers (hereinafter referred to as TLA IDs), and the remaining bits are designed to be used by Internet providers assigned IPv6 addresses. .

The telephone network assigns and uses telephone numbers for each country according to ITU-T's E.164 address system. Thus, phone numbers are unique addresses like IP addresses around the world.

Looking at the structure of each numbering system having the above characteristics with reference to the drawings as follows.

1 is a general structure of the International Telecommunication Union (ITU-T) E.164 numbering system. In the E.164 numbering system, a total of 15 digits is represented. In the case of Korea, the first three digits are used as country code (1), and the domestic number identified in Korea consists of 12 digits.The next four digits except three digits are the domestic area code (2) and the next four digits are the country code ( 3), and the remaining 4 digits are composed of subscriber number (4).

The address system that uses the E.164 numbering system is AESA (ATM End System Address) used in private ATM network. The AESA has three types of addressing schemes, one of which has an E.164 numbering scheme.

2 is a diagram illustrating a structure using an E.164 numbering system in a general AESA.

In this structure, the total address size consists of 20 bytes, where 13 bytes are the network prefix (5) and the remaining 7 bytes are the user part (6).

As such, the E.164 numbering system is applied to the 13-byte network prefix. By applying E.164 numbering system, public ATM network can communicate with private ATM network by analyzing E.164 number when communicating with public ATM network and private ATM network.

According to the present invention, when using the IPv6 addressing system in the Internet public network as described above, ITU-T's E.164 numbering system is applied to the IPv6 address part to facilitate the interworking with the existing telephone network numbering system. The purpose of this paper is to propose a hierarchical routing method using E.164 numbering system when routing in the proposed structure.

1 is a structural diagram of an E.164 numbering system of a conventional International Telecommunication Union (ITU-T).

2 is a structural diagram of using an E.164 numbering system in the conventional AESA.

3 is a structure diagram of an address scheme of a conventional IPv6.

4 is a structural diagram of applying an ITU-T E.164 numbering system to an IPv6 addressing system according to the present invention;

5 is an explanatory diagram showing a hierarchical routing method using an E.164 numbering system when performing routing in the numbering system implemented by the present invention.

<Description of Symbols for Major Parts of Drawings>

7: Top Level Identifier (TLA ID) 9: E.164 Numbering System

A number system structure in which a telephone network number system is applied to the Internet address system of the present invention for achieving the above object includes a top layer (TLA) identification number field;

A country code field for identifying each country;

An area code field for identifying a region of the country;

A station number field indicating a station number for the subscriber;

And a subscriber number field indicating a subscriber number.

In addition, when routing the number system structure applying the telephone network number system to the Internet address system according to the present invention for achieving the above object, by using the telephone network number system, the router of the country code layer is matched by searching the country code Forwarding to the country;

The router of the domestic region code layer searches for a domestic region code and forwards it to a matching region;

The router of the station code layer is characterized by performing a routing by finding a destination matching the subscriber number.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a diagram illustrating an IPv6 addressing system to which the present invention is applied. In the addressing system composed of a total of 128 bits, some are used as a TLA ID (7) and the remaining bits are addressed by an Internet service provider assigned an address. A plan (8) can be set and used.

FIG. 4 is a diagram illustrating a structure in which an ITU-T E.164 numbering system is applied to an IPv6 addressing system according to the present invention. In the address system including a total of 128 bits, ITU-T E. 164 Numbering system (9) applies.

In other words, the ITU-T E.164 numbering system consists of 15 decimal digits, which can be included in the address space except for the TLA ID.

FIG. 5 is a flowchart illustrating a hierarchical routing method using an E.164 numbering system when routing in the structure proposed by the present invention. First, a router of a country code layer uses a country code layer. Search and forward to the matching country (A1), the router of the domestic area code layer searches the domestic area code and forwards to the matching area (A2), and the router of the station code layer finds the destination that matches the subscriber number (A3).

As described in detail above, the present invention uses the E.164 numbering system in the IPv6 addressing system so that the user can easily know the IPv6 address of the user terminal only by his / her own phone number, and the current E.164 numbering in the IPv6 addressing system. By adopting the system, it is possible to allocate IPv6 address associated with about 20 million phone numbers in Korea at present, and it is convenient for Internet service providers to design and assign IPv6 address because it is easy to link the phone number with IPv6 address. When routing in the proposed architecture, the hierarchical routing using the E.164 numbering system has the advantage of saving the routing time and improving the routing speed.

In addition, preferred embodiments of the present invention are disclosed for the purpose of illustration, those skilled in the art will be able to various modifications, changes, additions, etc. within the spirit and scope of the present invention, such modifications and modifications belong to the following claims Should see

Claims (3)

A top layer (TLA) identifier field; A country code field for identifying each country; An area code field for identifying a region of the country; A station number field indicating a station number for the subscriber; A number system structure in which a telephone network number system is applied to an Internet address system comprising a subscriber number field indicating a subscriber number. In routing the number system structure applying the telephone network number system to the Internet address system, using the telephone network number system, the router of the country code layer searches for a country code and forwards it to a matching country; The router of the domestic region code layer searches for a domestic region code and forwards it to a matching region; The router of the station code layer is a hierarchical routing method when using a number system that applies a telephone network number system to an Internet address system, wherein the router finds a destination matching the subscriber number and performs routing. The method of claim 2, A hierarchical routing method in which a telephone system is applied to the Internet address system using an IPv6 address system as the Internet address system and an E.164 number system as the telephone network number system.