CN103037027B - Internationalization domain name registration method and system based on similar character sets - Google Patents
Internationalization domain name registration method and system based on similar character sets Download PDFInfo
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- CN103037027B CN103037027B CN201210530308.8A CN201210530308A CN103037027B CN 103037027 B CN103037027 B CN 103037027B CN 201210530308 A CN201210530308 A CN 201210530308A CN 103037027 B CN103037027 B CN 103037027B
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Abstract
The invention provides an internationalization domain name registration method and a system based on similar character sets. An internationalization domain name similar character comparison table is formulated through the character sets which are formed by grouping characters of a certain language according to close or similar characteristics of the characters. The elements of a first column of the comparison table are the similar character sets, and other columns are suggested character columns which can be arranged with a large number according to the need. When the domain name is registered, a person finds character sets to which each character in the domain name to be registered belong in the first column, finds the corresponding suggested characters of all character sets, and a suggested domain name character section is formed to be used. Other domain name sections hidden in a composite domain name character section package are used for retaining or used for activating in the future. According to the internationalization domain name registration method and the system based on the similar character sets, storage space and computing resources can be greatly saved.
Description
Technical field
The invention belongs to areas of information technology, relate to a kind of domain name registration technology, be specifically related to a kind of novel internationalized domain name register method based on similar character group and system.
Background technology
Internationalized domain name allows multilingual character to appear in domain name on technical protocol, may there is similar or close character in some languages.There is the problem of simplified and traditional body (variant) in such as Chinese, some may be considered to same character at the Chinese character of the different code bit of character centralized distribution.Such as: send out U+53D1 ， Hair U+767C ， development U+767A, Hair U+9AEE, Hairdresser U+9AEA.There is the problem of simplified and traditional body (variant) in Chinese, may be used to carry out the fishing based on identifier.Existing method, by the method for registration table, generates the method for suggestion identifier and reserved identifier respectively, makes all close or similar identifiers license to same registered user and uses.
Existing method is all need to generate all suggestion domain name fields and reserved field file-name field, but the serious drawback that this method exists, and the reserved field file-name field of generation too much, and may cannot store these domain name fields in limited space.
Existing internationalized domain name login mechanism, especially Chinese domain name login mechanism, Chinese domain name registration management mechanism has formulated Chinese domain name allosome word table according to RFC3743 registration algorithm.The concrete word table principle of RFC3743 is as follows:
In [1] first hurdle, the set of all characters constitutes the effective word set of Chinese, is called prototype word, is used for checking the reasonability of User Registration Area name.This hurdle checks the character appearing at and will be processed in Chinese domain name as index.It is generally acknowledged the Chinese textual representation of effective word sets definition.
What [2] second hurdles comprised is the suggestion word corresponding with the Unicode character code character on the first hurdle.These suggestion words are used to generate suggestion Chinese domain name, and these suggestion Chinese domain names should be resolved.Under normal conditions, all suggestion Chinese domain names are activated in relevant ZONE file, thus when inquiry of the domain name they time should correctly be resolved.
What [3] third column comprised is the variant Chinese character corresponding with effective word.These variant Chinese character are used for producing allosome Chinese domain name, are then retained.Registration, the activation of these allosome Chinese domain names are determined by domain-name holder usually, but the restriction of the local policy by ZONE management.
Each entry in each hurdle should comprise one or more character, and the numerical character form of these characters in universal character coding schedule represents, connects the reference value of optional band round parentheses after numerical character.First hurdle, i.e. effective word hurdle, only have a character, and other hurdles may have multiple.Any provisional capital should be terminated by available ' # ' annotation of starting.
According to current accreditation policies, the allosome Chinese domain name of all generations, all will be retained, and the suggestion Chinese domain name of all generations all will be used for being placed in DNS ZONE.Because the variant Chinese character corresponding with prototype word often has multiple, if the Chinese domain name field registered has n character, if each prototype word has X respectively
1, X
2, X
3x
n-1, X
nindividual variant Chinese character, according to permutation and combination principle, each prototype word will to having P(X, 1) plant combined method, the kind of the combined method that so will generate according to the registration algorithm of RFC3743 is: P(X
1, 1) and * P(X
2, 1) and * P(X
3, 1) and * ... P(X
n-1, 1) and * P(X
n, 1).
Further hypothesis, each prototypical character is to there being two allosome characters, and so above-mentioned simplified formula is [P (2,1)]
n=2
n, namely produce 2
nindividual allosome Chinese domain name.When n≤7, the total amount of allosome domain name combination is not more than 128, but as n > 30, will have an appointment 1,000,000,000,000 Chinese allosome domain name combination.So time the Chinese domain name that ought register is more than 30 characters, only register a Chinese domain name, just need generation 1,000 in extreme circumstances, 000,000,000 Chinese allosome domain name combination, at least needs the data of 1000G, the memory space of common domain name registration service device is all less than 500G, only register the domain name that a domain name just needs 1000G, if need registration 1000 domain names, then need 10
6the memory space of G, at least needs 2000 block server hard disks.To assess the cost and technology cannot store the data of such flood tide with limited at present.Therefore the domain name registration algorithm of RFC3743 needs to improve.
In addition, RFC3743 method makes close or similar word appear at different row, is unfavorable for the renewal of word table.If word table upgrades, need to extract all relevant word groups in word table, thus easily produce mistake.
Summary of the invention
The object of the present invention is to provide a kind of register method and system of novel internationalized domain name, memory space and computational resource can be saved greatly, carry out registration service more easily.
For achieving the above object, the present invention adopts following technical scheme:
A kind of internationalized domain name register method, its step comprises:
1) certain language selected, and select the character set can registered under this language associated with this language;
2) according to vision similarity, the character in described character set is divided into some similar character groups, and then sets up the internationalized domain name similar character table of comparisons of described language, this table comprises similar character group hurdle and some suggestion word hurdles;
3) user inputs internationalized domain name field to be registered in client, and internationalized domain name registrar finds out according to the described internationalized domain name similar character table of comparisons similar character group that in this internationalized domain name field, each character is corresponding;
4) the suggestion word corresponding with described similar character group found out by internationalized domain name maker, and then generate suggestion domain name field;
5) according to described suggestion domain name field, described internationalized domain name maker is that the prototype domain name field of successful registration in specific DNS ZONE creates compositum file-name field bag, and stored in internationalized domain name registration database.
Further, the vision similarity adding other character in character in the described internationalized domain name similar character table of comparisons and its place word group is not less than 70%.
Further, the described internationalized domain name similar character table of comparisons comprises gauge outfit part and table body divides, and wherein table header divides regulation reference and version information; The first hurdle of dividing of table body is similar character group hurdle, and other hurdle is respectively each suggestion word hurdle, as the 1st suggestion word, the 2nd suggestion word ..., K advises word.Each entry on the first hurdle comprises one group of word, and have a character at least in this group word, in other hurdle, each entry has and only has a character.If the suggestion word on suggestion word hurdle is made up of multiple code bit, then code bit separates with space; Each code bit has a corresponding reference number to prove, and this entry source is correct.
Further, union is got to the suggestion domain name that different hurdle generates, and then adds in DNS ZONE.
Further, described compositum file-name field handbag is drawn together: version, the compositum file-name field of the similar character table of comparisons of the prototype domain name field be registered, the relational language bound with prototype domain name field, binding and be added into the domain name field be activated in DNS ZONE file.
Further, described compositum file-name field bag has atomic properties, wherein any one domain name field transfer or amendment carry out as a whole with compositum file-name field bag.
Realize an internationalized domain name Accreditation System for said method, it is characterized in that, comprising:
The similar word table holder of internationalized domain name, is responsible for generating and storing the internationalized domain name similar character table of comparisons;
Similarity authentication server, connects the similar word table holder of described internationalized domain name, and whether the word that responsible checking adds in the described internationalized domain name similar character table of comparisons meets similarity requirement;
Registered client, is responsible for the internationalized domain name registration request submitting user to;
Internationalized domain name registrar, connect described internationalized domain name similar word table holder and described registered client respectively, be responsible for receiving registration request, and verify whether the character in internationalized domain name to be registered meets the requirement of the described internationalized domain name similar character table of comparisons;
Internationalized domain name maker, connects described internationalized domain name registrar, is responsible for generating suggestion domain name and compositum file-name field bag;
Internationalized domain name registration database, connects described internationalized domain name registrar and described internationalized domain name maker respectively, the domain name that responsible storage is succeeded in registration and compositum file-name field bag.
The present invention divides into groups according to close or similar feature to the character of certain language, forms word group, and then formulates the internationalized domain name similar character table of comparisons.The element on this table the first hurdle is word group, and the second hurdle is suggestion word, and other hurdles are also suggestion words, can increase third column respectively as required, the 4th hurdle etc.During registration: find the word group belonging to each character be registered on the first hurdle, then find out the suggestion word corresponding to each word group, and generate suggestion domain name field according to algorithm, for using; Other domain name fields lie in the compositum file-name field bag of this technology, for retaining, or use for activation in the future.The element on the first hurdle of allosome word table is word group, and common allosome word table is single character.The present invention only generates suggestion domain name field, proposes the algorithm of compositum file-name field.According to this algorithm, storage area and computational resource can be saved greatly.
Accompanying drawing explanation
Fig. 1 is the network architecture schematic diagram of the internationalized domain name Accreditation System of the embodiment of the present invention.
Fig. 2 is the flow chart of steps of the internationalized domain name register method of the embodiment of the present invention.
Embodiment
Below by specific embodiment, and coordinate accompanying drawing, the present invention is described in detail.
Fig. 1 is the network architecture schematic diagram of the internationalized domain name Accreditation System of the present embodiment.As shown in the drawing, registered client is responsible for the internationalized domain name registration request submitting user to; Internationalized domain name registrar is responsible for receiving the registration request from client, and in the internationalized domain name confirming to register that is associated with similar word table holder, each character meets the requirement of the similar word table of internationalized domain name.Internationalized domain name maker is responsible for generating suggestion domain name and compositum file-name field bag.Internationalized domain name similar word table holder is responsible for storing similar word table, similar character similarity authentication server is responsible for verifying whether the word added in the similar word table holder of internationalized domain name meets similarity requirement, and the word group vision similarity usually adding character in the similar word table of internationalized domain name and its place is not less than 70%.Internationalized domain name registration database is responsible for the domain name that will add DNS ZONE and the compositum file-name field package informatin that store generation.
The concrete steps of the internationalized domain name register method of the present embodiment are as follows:
1. certain language selected, and select the character set can registered under this language of this language association.
2. registration management mechanism carries out combing to allowing all characters of registration, similarity authentication server word table holder similar with internationalized domain name is utilized to divide in groups for wherein similar character, the character set associated with this kind of language is divided into some similar character groups, is respectively
X
1，X
2，X
3……Xi……X
m-1，X
m
Wherein Xi represents the subclass of i-th group of similar character or close word or equivalent word, and i< or=m, m represent the group number of the subclass based on the different similar character in the character set of X language or close word or equivalent word.If certain character set may be used for character set that internationalized domain name registers as M, be then tied to form vertical just like ShiShimonoseki
X
1∪X
2∪X
3……Xi……X
m-1∪X
m=M
X
1∩X
2∩X
3……Xi……X
m-1∩X
m=φ
3. in the similar word table holder of internationalized domain name, set up the internationalized domain name similar character table of comparisons of X language, this table has been set up complete usually before internationalized domain name registration.Concrete table of comparisons explanation of compiling Sum fanction is as follows:
A ZONE should be relevant with the internationalized domain name similar character table of comparisons of specific X language.This table of comparisons includes gauge outfit part and table body divides:
Table header divides regulation reference and version information.The working group of the definition similar character table of comparisons table beginning should with label " Reference " after connect an integer and record referenced standard and the descriptor to this standard in order.Example is as follows:
Reference0 Unicode3.2
The similar character table of comparisons Ying You version number of each certain language and issuing date thereof.Connect an integer after " version ", then connect the date of a YYYYMMDD form.Example is as follows:
Version1.0 20120401
The following describes table body to divide:
This table is divided into multicolumn, and by semicolon separated " similar character group ", " the 1st suggestion word " and " the 2nd suggestion word ", can increase K as required and advise word.Wherein " similar character group " hurdle is the character group of all similar characters or close word or equivalent word composition, is a subset of relational language large character set, and in all similar character groups, the set of character is the large character set allowing registration.If the suggestion word on suggestion word hurdle is made up of multiple code bit, code bit separates with space.Each code bit in table should have a corresponding clear and definite reference number (with this reference binding) to prove that this entry source is correct.This reference number to be placed on after code bit in bracket.If have multiple reference, so reference number is placed in a row bracket, and these bracket commas separate.Each hurdle is respectively described below:
1) the first hurdle is all similar character groups or subset.The set of the character in all similar character groups or subset constitutes the effective word set of X language, this set is the subset of universal character set, be used for checking the reasonability of User Registration Area name, this hurdle checks the character appearing at and will be processed in institute's registered domain name as index.
2) what the second hurdle comprised is the first suggestion word corresponding with the similar character group on the first hurdle.All these first suggestion words are used to generation first and advise domain name, and these suggestion domain names should be resolved.Under normal conditions, all suggestion domain names are activated in relevant ZONE file, thus when inquiry of the domain name they time should correctly be resolved.
3) what third column comprised is the second suggestion word corresponding with the similar character group on the first hurdle.All these second suggestion words are used to generation second and advise domain name, and these suggestion domain names should be resolved.Under normal conditions, all suggestion domain names are activated in relevant ZONE file, thus when inquiry of the domain name they time should correctly be resolved.
Each entry on the first hurdle should comprise one group of word, and have a character at least in this group word, each entry in the second hurdle has and only has a character, in third column if any, is also have and only have a character.Any provisional capital should be terminated by available ' # ' annotation of starting.Registration body also can increase the column number of word table as required, and the column number of increase is all used to the suggestion domain name generating this hurdle.The suggestion domain name that different hurdle generates may be identical, after this needs to get union to the suggestion domain name of all generations, then adds in DNS ZONE.
The example that the Chinese similar character table of comparisons represents with character style is provided below:
Reference0 Unicode 3.2
Reference1 simplifies word table
Reference2 traditional font word table
Version1.0 2,012,040,1#2,012 1.0 versions on April 1
| Similar character group; | 1st suggestion word; | 2nd suggestion word |
| State (0), Country (0), Guo (0), Country (0); | State (1); | Country (2) |
| Asia (0), sub-(0), Ami (0); | Sub-(1); | Ami (2) |
| Hand over (0); | Hand over (1); | Hand over (2) |
4. registration process:
Fig. 2 is the flow chart of the registration process of the present embodiment, is described in detail as follows it:
1) user thinks the internationalized domain name field Y of registration in registered client input
1y
2y
3y
jy
n-1y
n, wherein Y
ja jth character in the domain name field that expression will be registered, j< or=n, n represent the length of the domain name field that will register.
2) internationalized domain name registrar utilizes the internationalized domain name similar character table of comparisons to find out each character Y in each internationalized domain name field
jcorresponding similar character group or set Xi, namely have:
Y
j∈Xi
If function P(Y
j)=Xi represents Y
jthe similar character group at place or character set.
3) the suggestion word that internationalized domain name maker finds out Xi corresponding (is Y
jcorresponding suggestion word), be the 1st suggestion word respectively, the 2nd suggestion word ... K suggestion word.
4) the 1st suggestion word in the similar subset of internationalized domain name maker corresponding to each character in found out each internationalized domain name field, 2nd suggestion word ... K suggestion word, generate the 1st suggestion domain name field respectively, the 2nd suggestion domain name field ... K advises domain name field.All characters in K suggestion domain name field must be that K suggestion word in the similar character subset corresponding to character that will register formed, after these domain name fields of advising get union together with the domain name field registered with original shape character, if the policy of registration body does not limit further, can add in DNS ZONE for domain name mapping.
5) domain name that each position in domain name field can represent with any one character in similar character group is called compositum file-name field by the present invention.Compositum file-name field contains the combination of all possible domain name field.
If the character original shape of input is Y
1y
2y
3y
jy
n-1y
n, compositum file-name field can represent by following form:
Z
1Z
2Z
3……Z
j……Z
n-1Z
n
Wherein Z
j∈ P(Y
j), P(Y
j) be the similar character group on the first hurdle in the similar word table of internationalized domain name, namely
P（Y
j）∈[X
1，X
2，X
3……Xi……X
m-1，X
m]
Comprehensive a few step above, registration process can be briefly described below:
Suggestion domain name field is generated according to the first suggestion word found out and the second suggestion word
In specific ZONE after successful registration prototype domain name field, internationalized domain name maker can create a compositum file-name field bag, represents that registration process terminates simultaneously.Domain name registration organ will preserve compositum file-name field package informatin on behalf of domain name registration user, and by it stored in internationalized domain name registration database.User after succeeding in registration, obtain prototype domain name field and the first suggestion domain name field and second advises domain name field.The prototype domain name field that compositum file-name field indicates together with all domain name fields (normally advising domain name field) be activated and corresponding language and registers constitutes compositum file-name field bag.Have in concrete compositum file-name field bag:
1) the prototype domain name field be registered
2) relational language bound with prototype domain name field
3) version of the similar character table of comparisons bound
4) compositum file-name field
5) domain name field be activated in DNS ZONE file is added into.
Create time compositum file-name field wraps in registration and there is atomic properties: in a compositum file-name field bag, the transfer of any one domain name field or amendment are carried out as a whole with compositum file-name field bag.Any one domain name field in compositum file-name field bag can not be deleted separately or is shifted; Anyly to re-register, to shift or operation that other is related to domain name field all can have influence on associated dns name field in bag.If the atomic properties principle of the domain name conflict-solving strategy of specific Z ONE and compositum file-name field bag clashes, in this case, this strategy should specify the priority of definition process.
The present invention divides into groups according to close or similar feature to the character of certain language, forms word group, formulates the internationalized domain name similar character table of comparisons.The element on this table the first hurdle is word group, and the second hurdle is suggestion word, and other hurdles are also suggestion words, can increase third column respectively as required, the 4th hurdle etc.During registration: find the word group belonging to each character be registered on the first hurdle, then find out the suggestion word corresponding to each word group, and then generate suggestion domain name field, for using; Other domain name fields lie in compound domain name bag, for retaining, or use for activation in the future.The element on the first hurdle of allosome word table is word group, and common allosome word table is single character.The present invention only generates suggestion domain name field, proposes the method for compositum file-name field.Technique effect of the present invention is described as follows:
If the space shared by each character is two bytes, is n at the character length of institute's registered domain name, according to the registration algorithm of RFC3743, in algorithm, the frequency sum (i.e. the time consumption of algorithm) of all statements is:
T1(n)≈2n
The required sum (namely the storage of arithmetic result expends) that stores of domain name field required in algorithm is:
M1 (n) ≈ 2*n*2n byte
According to the registration algorithm of compound domain name bag, in algorithm, the frequency sum (i.e. the time consumption of algorithm) of all statements is:
T2(n)≈2*n
The required sum (namely the storage of arithmetic result expends) that stores of domain name field required in algorithm is:
M2(n)≈2*n*2*n=4n
2
The length of the internationalized domain name field usually registered all is less than 10, i.e. n < 10, and now on modern computer, the time utilizing these two kinds of algorithm registered domain names used is distinguished not quite concerning user.But work as after registered domain name length is greater than 10, based on RFC3743 algorithm time used and memory space exponentially 2
nincrease, to such an extent as to make common computer bear.And utilizing the algorithm of compositum file-name field bag, its time complexity and memory space all can not more than n
2.By redesigning registration algorithm and registration word table, the algorithm making internationalized domain name register greatly promotes, and can save storage area and computational resource greatly.
Above embodiment is only in order to illustrate technical scheme of the present invention but not to be limited; those of ordinary skill in the art can modify to technical scheme of the present invention or equivalent replacement; and not departing from the spirit and scope of the present invention, protection scope of the present invention should be as the criterion with described in claim.
Claims (8)
1. an internationalized domain name register method, its step comprises:
1) certain language selected, and select the character set can registered under this language associated with this language;
2) according to vision similarity, the character in described character set is divided into some similar character groups, and then sets up the internationalized domain name similar character table of comparisons of described language, this table comprises similar character group hurdle and some suggestion word hurdles;
3) user inputs internationalized domain name field to be registered in client, and internationalized domain name registrar finds out according to the described internationalized domain name similar character table of comparisons similar character group that in this internationalized domain name field, each character is corresponding;
4) the suggestion word corresponding with described similar character group found out by internationalized domain name maker, and then generate suggestion domain name field;
5) according to described suggestion domain name field, described internationalized domain name maker is that the prototype domain name field of successful registration in specific DNS ZONE creates compositum file-name field bag, and stored in internationalized domain name registration database; Compositum file-name field refers to the domain name field that each position in domain name field can represent with any one character in similar character group.
2. the method for claim 1, is characterized in that: the described internationalized domain name similar character table of comparisons comprises gauge outfit part and table body divides, and wherein table header divides regulation reference and version information; The first hurdle that table body divides is similar character group hurdle, and other hurdle is respectively each suggestion word hurdle.
3. method as claimed in claim 2, is characterized in that: if the suggestion word on suggestion word hurdle is made up of multiple code bit, then code bit separates with space; Each code bit has a corresponding reference number to prove, and this entry source is correct.
4. method as claimed in claim 2, is characterized in that: each entry on described first hurdle comprises one group of word, and have a character at least in this group word, in other hurdle, each entry has and only has a character.
5. method as claimed in claim 2, is characterized in that: get union to the suggestion domain name that different hurdle generates, and then add in DNS ZONE.
6. the method for claim 1, it is characterized in that, described compositum file-name field handbag is drawn together: version, the compositum file-name field of the similar character table of comparisons of the prototype domain name field be registered, the relational language bound with prototype domain name field, binding and be added into the domain name field be activated in DNS ZONE file.
7. the method for claim 1, is characterized in that: described compositum file-name field bag has atomic properties, wherein any one domain name field transfer or amendment carry out as a whole with compositum file-name field bag.
8. an internationalized domain name Accreditation System, is characterized in that, comprising:
The similar word table holder of internationalized domain name, is responsible for generating and storing the internationalized domain name similar character table of comparisons;
Similarity authentication server, connects the similar word table holder of described internationalized domain name, and whether the word that responsible checking adds in the described internationalized domain name similar character table of comparisons meets similarity requirement;
Registered client, is responsible for the internationalized domain name registration request submitting user to;
Internationalized domain name registrar, connect described internationalized domain name similar word table holder and described registered client respectively, be responsible for receiving registration request, and verify whether the character in internationalized domain name to be registered meets the requirement of the described internationalized domain name similar character table of comparisons;
Internationalized domain name maker, connects described internationalized domain name registrar, is responsible for generating suggestion domain name and compositum file-name field bag; Compositum file-name field refers to the domain name field that each position in domain name field can represent with any one character in similar character group;
Internationalized domain name registration database, connects described internationalized domain name registrar and described internationalized domain name maker respectively, the domain name that responsible storage is succeeded in registration and compositum file-name field bag.
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