CN105516385A - Domain name resolution method, server and system - Google Patents
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- CN105516385A CN105516385A CN201510875663.2A CN201510875663A CN105516385A CN 105516385 A CN105516385 A CN 105516385A CN 201510875663 A CN201510875663 A CN 201510875663A CN 105516385 A CN105516385 A CN 105516385A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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Abstract
The invention relates to a domain name resolution method, server and system. The domain name resolution method comprises: receiving a domain name service request from a terminal device, wherein the domain name service request is sent when a user accesses a network, the domain name service request comprises a user IP address and a domain name to be resolved; searching the IP address field in a local domain number resolution server corresponding to the user IP address under the condition that the domain name service request is HTTP format; and searching the service IP address corresponding to the domain name to be resolved according to the IP address field. The domain name service request is directly resolved through the domain number resolution server locally; if the resolution is successful, the IP address can be resolved accurately; a user can quickly and conveniently access to the webpage to obtain service based on the IP address; because the server of an ISP (Internet Service Provider) is bypassed, the accuracy of the resolution result is improved without buffering the domain name and forwarding the resolution request.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of domain name analytic method, server and system.
Background technology
Current domain name mapping normally carries out domain name mapping by this locality (Local) domain name system (DomainNameSystem, DNS) of each ISP (InternetServiceProvider, ISP).Wherein, ISP typically refers to the telecom operators comprehensively providing Internet access business, information service and value-added service to users.
Recursion resolution is a kind of conventional domain name mapping mode.In recursion resolution process, the LocalDNS of ISP can carry out buffer memory to domain name mapping result, if the IP that this domain name is corresponding in the Authoritative DNS server of this domain name changes, but the IP that LocalDNS parses be ISP before the IP of buffer memory, analysis result may be caused inaccurate.In addition, if the name server of IPS is configured such that use forward direction server, then it is by transmission recursive query to the forward direction main frame of specifying, and this main frame receiving forward direction inquiry also will be operated in recursive schema to answer inquiry.Therefore, ISP self may not carry out domain name recursion parsing, but Domain Name Service requests is forwarded to other ISP.
Therefore, when being resolved domain name by ISP, due to the forwarding of domain name buffer memory and analysis request can be carried out, all easily cause domain name mapping inaccurate, even occur that IP that LocalDNS parses is not the situation of Home Network IP.
Summary of the invention
technical problem
In view of this, the technical problem to be solved in the present invention is, how resolves domain name exactly to make user can accesses network easily.
solution
In order to solve the problems of the technologies described above, according to one embodiment of the invention, provide a kind of domain name analytic method, comprising:
Be received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved;
When domain name service request is HTTP form, in the domain name resolution server of this locality, search the IP address field corresponding with described IP address;
The service IP address corresponding with described domain name to be resolved is searched according to described IP address field.
For said method, in a kind of possible implementation, in the domain name resolution server of this locality, search the IP address field corresponding with described IP address, comprising:
Search the IP address field corresponding with described IP address in first mapping relations of preserving in advance in domain name resolution server, described first mapping relations comprise the mapping relations of each IP address and its IP address field belonged to.
For said method, in a kind of possible implementation, search the service IP address corresponding with described domain name to be resolved according to described IP address field, comprising:
The domain name mapping file corresponding with described IP address field is searched in second mapping relations of preserving in advance in domain name resolution server, described second mapping relations comprise the mapping relations of IP address field and domain name mapping file, and domain name resolution file comprises the mapping relations of domain name and service IP address;
The service IP address corresponding with described domain name to be resolved is searched in domain name resolution file.
For said method, in a kind of possible implementation, also comprise: domain name resolution server returns the service IP address corresponding with described domain name to be resolved to described terminal equipment.
For said method, in a kind of possible implementation, also comprise: when domain name service request is DNS form, the server to ISP forwards domain name service request.
In order to solve the problems of the technologies described above, according to another embodiment of the present invention, provide a kind of domain name resolution server, comprising:
Request receiving module, for being received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved;
Local parsing module, is connected with described request receiver module, for when domain name service request is HTTP form, searches the IP address field corresponding with described IP address; The service IP address corresponding with described domain name to be resolved is searched according to described IP address field.
For above-mentioned domain name resolution server, in a kind of possible implementation, also comprise:
Memory module, with described local parsing model calling, for preserving the first mapping relations of each IP address and its IP address field belonged to;
Described local parsing module also for searching the IP address field corresponding with described IP address in described first mapping relations.
For above-mentioned domain name resolution server, in a kind of possible implementation,
Described memory module also for preserving the second mapping relations of IP address field and domain name mapping file, and comprises the domain name mapping file of mapping relations of domain name and service IP address;
Described local parsing module also for searching the domain name mapping file corresponding with described IP address field in described second mapping relations, searches the service IP address corresponding with described domain name to be resolved in domain name resolution file.
For above-mentioned domain name resolution server, in a kind of possible implementation, also comprise:
Service returns module, with described local parsing model calling, for returning the service IP address corresponding with described domain name to be resolved to described terminal equipment.
For above-mentioned domain name resolution server, in a kind of possible implementation, also comprise:
Forwarding module, with described local parsing model calling, for when domain name service request is DNS form, the server to ISP forwards domain name service request.
In order to solve the problems of the technologies described above, according to another embodiment of the present invention, provide a kind of domain name analysis system, comprising:
Domain name resolution server, adopts the domain name resolution server of arbitrary structure in the embodiment of the present invention;
Terminal equipment, communicate with domain name resolution server, when user carries out access to netwoks, send domain name service request to domain name resolution server, and receive the service IP address corresponding with described domain name to be resolved from domain name resolution server.
beneficial effect
The embodiment of the present invention is directly resolved the Domain Name Service requests of HTTP form in this locality by domain name resolution server, if successfully resolved, IP address can be parsed accurately, make user based on service IP address accessed web page acquisition fast, easily service, due to the server of ISP can be walked around, without the need to carrying out domain name buffer memory and resolving request forward, improve the accuracy of analysis result.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, further feature of the present invention and aspect will become clear.
Accompanying drawing explanation
Comprise in the description and form the accompanying drawing of a part for specification and specification together illustrates exemplary embodiment of the present invention, characteristic sum aspect, and for explaining principle of the present invention.
Fig. 1 illustrates the flow chart of domain name analytic method according to an embodiment of the invention;
Fig. 2 illustrates the flow chart of domain name analytic method according to another embodiment of the present invention;
Fig. 3 illustrates the structured flowchart of domain name resolution server according to an embodiment of the invention;
Fig. 4 illustrates the structured flowchart of domain name resolution server according to another embodiment of the present invention;
Fig. 5 illustrates the structured flowchart of domain name analysis system according to an embodiment of the invention.
Embodiment
Various exemplary embodiment of the present invention, characteristic sum aspect is described in detail below with reference to accompanying drawing.The same or analogous element of Reference numeral presentation function identical in accompanying drawing.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".
In addition, in order to better the present invention is described, in embodiment hereafter, give numerous details.It will be appreciated by those skilled in the art that do not have some detail, the present invention can implement equally.In some instances, the method known for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present invention.
embodiment 1
Fig. 1 illustrates the flow chart of domain name analytic method according to an embodiment of the invention.As shown in Figure 1, this domain name analytic method, mainly based on HTML (Hypertext Markup Language) (HyperTextTransferProtocol, HTTP), can carry out domain name mapping by the domain name resolution server directly in this locality, but not carry out domain name mapping by each ISP.Specifically, this domain name analytic method mainly can comprise:
Step 101, local domain name resolution server are received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved.
Step 102, local domain name resolution server judge whether the form of domain name service request is HTTP form, when domain name service request is HTTP form, perform step 103, when domain name service request is HTTP form, perform step 106.
Step 103, in the domain name resolution server of this locality, search the IP address field corresponding with described IP address.
Step 104, local domain name resolution server search the service IP address corresponding with described domain name to be resolved according to described IP address field.
Step 105, local domain name resolution server return the service IP address corresponding with described domain name to be resolved to described terminal equipment.
Step 106, local domain name resolution server forward domain name service request to the server of ISP.
Wherein, if step 103 to step 104 can obtain this Domain Name Service requests successfully resolved, then perform step 105, if resolve unsuccessfully, also can transfer to perform step 106.
Specifically, when user carries out access to netwoks, smart machine that used terminal equipment such as computer, mobile phone etc. have a network access functions can be passed through and send Domain Name Service requests to the domain name resolution server of this locality.The IP address (that is, IP address) of the terminal equipment that user can be used by this Domain Name Service requests by terminal equipment and the domain name (that is, domain name to be resolved) of network that will access are sent to domain name resolution server.Domain name resolution server first can determine the form of this Domain Name Service requests, if this Domain Name Service requests is HTTP form, then this domain name resolution server is at this Domain Name Service requests of local parsing, if this Domain Name Service requests is DNS form, then this domain name resolution server can forward this Domain Name Service requests to the server of each ISP, adopts conventional domain name mapping mode to process by ISP.
In order to the Domain Name Service requests making the terminal equipment of user can send HTTP form, the control module of the Domain Name Service requests whether generating HTTP form can be preset in terminal equipment, when user selects to access the network address of certain Internet Service Provider, can determine whether by this control module the Domain Name Service requests generating HTTP form.Such as: the backstage of the domain name resolution server of excellent cruel potato can arrange the switch (can arrange a switch for each province) controlling certain province and whether use HTTPDNS to serve.Terminal equipment is before other servers initiation request of excellent cruel potato, first can obtain HTTPDNS on off state, when the HTTPDNS switch opens in certain province, the user of this province accesses the domain name of excellent cruel potato, all can preferentially use HTTPDNS service to carry out domain name mapping.If when HTTPDNS switch cuts out, then use conventional domain name mapping mode.
Search the IP address field corresponding with IP address in the domain name resolution server of this locality after, can determine that this user belongs to the information such as the position at which operator and user place according to this IP address field, thus determine the service IP address nearer apart from this user further according to IP address field and domain name to be resolved.Then, the service IP address of resolving the optimum obtained can be returned to user by this domain name resolution server, and user can based on the service IP address of this optimum accessed web page acquisition fast, easily service.
The domain name analytic method of the present embodiment, local domain name resolution server obtains service IP address by directly resolving the Domain Name Service requests of HTTP form, IP address can be parsed accurately, make user based on service IP address accessed web page acquisition fast, easily service.Owing to adopting the domain name analytic method of the present embodiment, if in the domain name resolution server successfully resolved of this locality, just can walk around the server of ISP, traditional domain name mapping is not carried out by each ISP, therefore, without the need to carrying out domain name buffer memory and resolving request forward, solve due to domain name buffer memory and resolve the inaccurate of the analysis result that brings of request forward, improve the accuracy of analysis result.
embodiment 2
Fig. 2 illustrates the flow chart of domain name analytic method according to another embodiment of the present invention.The step that in Fig. 2, label is identical with Fig. 1 has identical function, for simplicity's sake, omits the detailed description to these steps.
As shown in Figure 2, be with the main distinction of a upper embodiment, step 103 specifically can comprise:
Search the IP address field corresponding with described IP address in step 201, first mapping relations of preserving in advance in domain name resolution server, described first mapping relations comprise the mapping relations of each IP address and its IP address field belonged to.
Specifically, the first mapping relations of each IP address and its IP address field belonged to can be preserved in advance in the domain name resolution server of this locality, after receiving the Domain Name Service requests of HTTP form of user, according to the IP address in Domain Name Service requests, the IP address field that this IP address belongs to is searched in these first mapping relations, thus the information such as the position determining the terminal equipment of this user and the operator that belongs to.
In a kind of possible implementation, step 104 specifically can comprise:
The domain name mapping file corresponding with described IP address field is searched in step 202, second mapping relations of preserving in advance in domain name resolution server, described second mapping relations comprise the mapping relations of IP address field and domain name mapping file, and domain name resolution file comprises the mapping relations of domain name and service IP address.
Step 203, in domain name resolution file, search the service IP address corresponding with described domain name to be resolved.
Specifically, in the domain name resolution server of this locality, the second mapping relations of each IP address field and domain name mapping file can be preserved in advance.After step 201 resolves IP address field corresponding to acquisition IP address, corresponding domain name mapping file can be searched according to this IP address field in the second mapping relations, this domain name mapping file can comprise operator that this IP address field belongs in residing region, support the address of the Servers-all of user's required service.Then, can domain name to be resolved is corresponding in this domain name mapping file service IP address.
For example, for Shanghai telecommunication user access " www.tudou.com " domain name, the process of resolving domain name in local domain name resolution server (Httpdns) comprises the steps:
First, the real IP address of user is obtained, i.e. the IP address of the terminal equipment of user.Then search IP address in the multiple IP address field information in Httpdns and belong to which IP address field, and then judge province and the operator's informaiton at user place.Then, according to the province, user place obtained and operator's informaiton, in excellent cruel potato authority's DNS information (example of domain name mapping file) of Httpdns, search the service IP address of optimum corresponding to " www.tudou.com " domain name.Finally, then return the service IP address of the optimum after parsing according to IP address to the terminal equipment of this user.The potato video server that user adopts the IP address of this optimum to access, the IP address that in all available IP-addresses that normally this domain name is corresponding, access speed is the fastest.
The domain name analytic method of the present embodiment, local domain name resolution server obtains service IP address by directly resolving the Domain Name Service requests of HTTP form, IP address can be parsed accurately, make user based on service IP address accessed web page acquisition fast, easily service.Owing to adopting the domain name analytic method of the present embodiment, if in the domain name resolution server successfully resolved of this locality, just can walk around the server of ISP, traditional domain name mapping is not carried out by each ISP, therefore, without the need to carrying out domain name buffer memory and resolving request forward, solve due to domain name buffer memory and resolve the inaccurate of the analysis result that brings of request forward, improve the accuracy of analysis result.
embodiment 3
Fig. 3 illustrates the structured flowchart of domain name resolution server according to an embodiment of the invention.As shown in Figure 3, this domain name resolution server mainly can comprise:
Request receiving module 31, for being received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved;
Local parsing module 33, is connected with described request receiver module 31, for when domain name service request is HTTP form, searches the IP address field corresponding with described IP address; The service IP address corresponding with described domain name to be resolved is searched according to described IP address field.
In a kind of possible implementation, this domain name resolution server can also comprise:
Memory module 35, is connected with described local parsing module 33, for preserving the first mapping relations of each IP address and its IP address field belonged to;
Described local parsing module 33 also for searching the IP address field corresponding with described IP address in described first mapping relations.
In a kind of possible implementation, described memory module 35 also for preserving the second mapping relations of IP address field and domain name mapping file, and comprises the domain name mapping file of mapping relations of domain name and service IP address;
Described local parsing module 33 also for searching the domain name mapping file corresponding with described IP address field in described second mapping relations, searches the service IP address corresponding with described domain name to be resolved in domain name resolution file.
The domain name resolution server of the present embodiment can perform any one domain name analytic method in above-described embodiment.Specifically, after the request receiving module 31 of domain name resolution server receives Domain Name Service requests from terminal equipment, this Domain Name Service requests is sent to local parsing module 33.Local parsing module 33 judges the form of Domain Name Service requests, when this Domain Name Service requests is HTTP form, local parsing module 33 searches the IP address field corresponding with the IP address in this Domain Name Service requests in the first mapping relations of memory module 35, and in the second mapping relations of memory module 35, search domain name mapping file corresponding to this IP address field according to found IP address field, then in found domain name mapping file, search the service IP address corresponding with the domain name to be resolved in this Domain Name Service requests.
The domain name resolution server of the present embodiment directly to be resolved the Domain Name Service requests of HTTP form by local parsing module and is obtained service IP address, IP address can be parsed accurately, make user based on service IP address accessed web page acquisition fast, easily service.If successful in local parsing by the local parsing module of domain name resolution server, just can walk around the server of ISP, traditional domain name mapping is not carried out by each ISP, therefore, without the need to carrying out domain name buffer memory and resolving request forward, solve due to domain name buffer memory and resolve the inaccurate of the analysis result that brings of request forward, improve the accuracy of analysis result.
embodiment 4
Fig. 4 illustrates the structured flowchart of domain name resolution server according to another embodiment of the present invention.The assembly that in Fig. 4, label is identical with Fig. 3 has identical function, for simplicity's sake, omits the detailed description to these assemblies.
As shown in Figure 4, be with the main distinction of a upper embodiment, this domain name resolution server can also comprise: service returns module 41, is connected with described local parsing module 33, for returning the service IP address corresponding with described domain name to be resolved to described terminal equipment.
In a kind of possible implementation, this domain name resolution server can also comprise: forwarding module 43, be connected with described local parsing module 33, for when domain name service request is DNS form, the server to ISP forwards domain name service request.
Specifically, in a kind of situation, if local parsing module 33 is resolved obtain service IP address corresponding to domain name to be resolved, can return by service the terminal equipment that resolved service IP address is returned to the request of sending domain name analysis by module 41.In another kind of situation, if local parsing module 33 cannot be resolved obtain service IP address, then by forwarding module 43, Domain Name Service requests can be transmitted to the server of ISP.In addition, if when local parsing module 33 judges that the form of Domain Name Service requests is DNS form, also by forwarding module 43, Domain Name Service requests can be transmitted to the server of ISP.The server of ISP can carry out traditional dns resolution to this Domain Name Service requests.
The domain name resolution server of the present embodiment directly to be resolved the Domain Name Service requests of HTTP form by local parsing module and is obtained service IP address, IP address can be parsed accurately, make user based on service IP address accessed web page acquisition fast, easily service.If successful in local parsing by the local parsing module of domain name resolution server, just can walk around the server of ISP, traditional domain name mapping is not carried out by each ISP, therefore, without the need to carrying out domain name buffer memory and resolving request forward, solve due to domain name buffer memory and resolve the inaccurate of the analysis result that brings of request forward, improve the accuracy of analysis result.
embodiment 5
Fig. 5 illustrates the structured flowchart of domain name analysis system according to an embodiment of the invention.As shown in Figure 5, this domain name analysis system mainly can comprise:
Domain name resolution server 51, can adopt the domain name resolution server 51 of any one structure in the above embodiment of the present invention;
Terminal equipment 53, communicate with domain name resolution server 51, when user carries out access to netwoks, to domain name resolution server 51 send domain name service request, and receive the service IP address corresponding with described domain name to be resolved from domain name resolution server 51.
In the domain name analysis system of the present embodiment, if directly to be resolved the Domain Name Service requests of HTTP form by domain name resolution server and obtain service IP address, if successfully resolved, IP address can be parsed accurately, make user quick based on service IP address, accessed web page obtains the server that service just can walk around ISP easily, and do not carry out traditional domain name mapping by each ISP, therefore, without the need to carrying out domain name buffer memory and resolving request forward, solve due to domain name buffer memory and resolve the inaccurate of the analysis result that brings of request forward, improve the accuracy of analysis result.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (11)
1. a domain name analytic method, is characterized in that, comprising:
Be received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved;
When domain name service request is HTTP form, in the domain name resolution server of this locality, search the IP address field corresponding with described IP address;
The service IP address corresponding with described domain name to be resolved is searched according to described IP address field.
2. method according to claim 1, is characterized in that, searches the IP address field corresponding with described IP address, comprising in the domain name resolution server of this locality:
Search the IP address field corresponding with described IP address in first mapping relations of preserving in advance in domain name resolution server, described first mapping relations comprise the mapping relations of each IP address and its IP address field belonged to.
3. method according to claim 2, is characterized in that, searches the service IP address corresponding with described domain name to be resolved, comprising according to described IP address field:
The domain name mapping file corresponding with described IP address field is searched in second mapping relations of preserving in advance in domain name resolution server, described second mapping relations comprise the mapping relations of IP address field and domain name mapping file, and domain name resolution file comprises the mapping relations of domain name and service IP address;
The service IP address corresponding with described domain name to be resolved is searched in domain name resolution file.
4. according to the method in any one of claims 1 to 3, it is characterized in that, also comprise: domain name resolution server returns the service IP address corresponding with described domain name to be resolved to described terminal equipment.
5. method according to any one of claim 1 to 4, is characterized in that, also comprises: when domain name service request is DNS form, and the server to ISP forwards domain name service request.
6. a domain name resolution server, is characterized in that, comprising:
Request receiving module, for being received in the Domain Name Service requests sent when user carries out access to netwoks from terminal equipment, domain name service request comprises IP address and domain name to be resolved;
Local parsing module, is connected with described request receiver module, for when domain name service request is HTTP form, searches the IP address field corresponding with described IP address; The service IP address corresponding with described domain name to be resolved is searched according to described IP address field.
7. domain name resolution server according to claim 6, is characterized in that, also comprises:
Memory module, with described local parsing model calling, for preserving the first mapping relations of each IP address and its IP address field belonged to;
Described local parsing module also for searching the IP address field corresponding with described IP address in described first mapping relations.
8. domain name resolution server according to claim 7, is characterized in that,
Described memory module also for preserving the second mapping relations of IP address field and domain name mapping file, and comprises the domain name mapping file of mapping relations of domain name and service IP address;
Described local parsing module also for searching the domain name mapping file corresponding with described IP address field in described second mapping relations, searches the service IP address corresponding with described domain name to be resolved in domain name resolution file.
9. the domain name resolution server according to any one of claim 6 to 8, is characterized in that, also comprises:
Service returns module, with described local parsing model calling, for returning the service IP address corresponding with described domain name to be resolved to described terminal equipment.
10. the domain name resolution server according to any one of claim 6 to 9, is characterized in that, also comprises:
Forwarding module, with described local parsing model calling, for when domain name service request is DNS form, the server to ISP forwards domain name service request.
11. 1 kinds of domain name analysis system, is characterized in that, comprising:
Domain name resolution server, adopts the domain name resolution server according to any one of claim 6 to 10;
Terminal equipment, communicate with domain name resolution server, when user carries out access to netwoks, send domain name service request to domain name resolution server, and receive the service IP address corresponding with described domain name to be resolved from domain name resolution server.
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| CN106797410A (en) * | 2016-12-23 | 2017-05-31 | 深圳前海达闼云端智能科技有限公司 | Domain name analytic method and device |
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| CN106953941A (en) * | 2017-04-17 | 2017-07-14 | 甘肃省科学技术情报研究所 | A kind of multi-line intelligent DNS resolver and method |
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| CN111866206A (en) * | 2020-06-24 | 2020-10-30 | 北京金山云网络技术有限公司 | Distributed domain name resolution method, device and equipment |
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