CN111092963A - Domain name service response method - Google Patents
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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Abstract
The invention discloses a domain name service response method, which is applied to a mobile communication device and comprises the following steps: acquiring a response parameter of a first domain name service path; judging whether the response result of the domain name service path is no response or not according to the response parameters; if the response result is no response, acquiring a second domain name service path; the second domain name service path is updated to the wireless access point. The invention solves the technical problem that the mobile phone cannot automatically recover the network when encountering the non-responsive domain name server.
Description
Technical Field
The invention relates to the field of communication, in particular to a domain name service response method.
Background
With the popularization of intelligent electronic devices, internet access through mobile communication devices has become a technology available to users at any time. For example, a user may browse a web page using browser software in various brands of mobile phones and tablet computers to obtain various information required for daily life.
At present, when a user surfs the internet by using a mobile phone (mobile communication device), if a domain name service path used currently does not respond, a symptom shown by a mobile phone end of the user cannot be a webpage (or an app is connected), and the existing technology cannot automatically recover the domain name service path under the above conditions, that is, cannot automatically repair the condition that the user cannot surf the internet when using the mobile phone, so that once the user encounters the condition that the domain name service path does not respond, the problem can be solved only by switching on and off a flight mode of the mobile phone, hot plugging a sim card, restarting the mobile phone or switching a network mode and other rough modes, and thus, the user experience at the user level is very poor.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a domain name service response method, which at least solves the technical problem that a mobile phone cannot automatically recover a network when encountering a non-responsive domain name server.
According to an aspect of the embodiments of the present invention, there is provided a domain name service response method applied to a mobile communication device, the method comprising: acquiring a response parameter of a first domain name service path; judging whether the response result of the domain name service path is no response or not according to the response parameters; if the response result is no response, acquiring a second domain name service path; the second domain name service path is updated to the wireless access point.
Optionally, the response parameters include: response time and no response request.
Optionally, the determining, according to the response parameter, whether the response result of the domain name service path is no response includes: comparing the response time with a first threshold value to obtain a first comparison result; comparing the non-response request occupation ratio with a second threshold value to obtain a second comparison result; and when the first comparison result and the second comparison result both meet the corresponding conditions, judging that the response result is no response.
Optionally, if the response result is no response, acquiring the second domain name service path includes: sending the response result to the mobile communication device; transmitting the response result to the modem through the mobile communication device; and according to the feedback information of the modem, carrying out network attachment again.
Optionally, the feedback information of the modem includes: the response result of the mobile communication device is received, and the response result of the mobile communication device is not received.
Optionally, before obtaining the response parameter of the first domain name service path, the method further includes: the first domain name service path is selected according to the priority.
Optionally, selecting the first domain name service path according to the priority includes: acquiring the numerical value of a preset parameter of each domain name service path; and setting priority for each domain name service path according to the numerical value of the preset parameter.
Optionally, setting a priority for each domain name service path according to the value of the preset parameter includes: and correspondingly setting the priority of each domain name service path from high to low according to the numerical value of the preset parameter from high to low.
Optionally, the numerical value of the preset parameter is calculated by the following formula: the value of the preset parameter is query success rate/response time.
According to another aspect of the embodiments of the present invention, there is also provided a mobile communication device comprising a processor and a memory, wherein a computer readable program is stored, and when the computer readable program is executed by the processor, the mobile communication device performs the method of the above embodiments.
In the embodiment of the invention, the domain name service path is reattached by adopting a method of judging whether the domain name service path is non-responsive or not by acquiring the parameter of the domain name service response, so that the technical effects of timely reselecting the domain name service path and recovering the internet surfing function under the condition that a mobile phone of a user meets the non-responsive domain name service path are achieved, and the technical problem that the mobile phone cannot automatically recover the network when meeting the non-responsive domain name server is further solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic diagram of a mobile terminal exchanging data with a Domain Name Service (DNS) according to the prior art;
fig. 2 is a flowchart of a domain name service response method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating the sub-steps of step S204 in fig. 2.
Fig. 4 is a flowchart illustrating a domain name service response method according to another embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided an embodiment of a domain name service response method, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that herein.
As shown in fig. 1, fig. 1 is a schematic diagram of data exchange between a mobile terminal and a Domain Name Service (DNS) according to the prior art, a mobile phone of a user sends a domain name request to a DNS server, receives an IP address returned by the DNS server, and performs network access according to the IP address, but in the above process of the prior art, when the DNS server (domain name service path) has no response, the mobile phone of the user cannot obtain the IP address, and thus the mobile phone of the user cannot realize the internet access function. The present invention can solve the above-described technical problems by the following embodiments.
For the terms of art referred to in this embodiment, the following explanations are made here:
the domain name service path (DNS), also known as domain name server or domain name service protocol, is a distributed network directory service that is mainly used for the interconversion of domain names and IP addresses, and the implementation of controlling internet access.
Network attachment (attach), which means that the terminal logs in the PS network, and the location information of the network attachment is stored in the HLR, and for the user, the terminal is normally powered on, the GPRS service is opened at the operator, and the network attachment service can be normally initiated only if the attachment is successful; reattachment refers to a process of allocating an IP address to a terminal due to the need of packet data transmission in a network, for example, when a user opens a web page using a mobile phone to start browsing, traffic on a user plane may be generated.
The wireless access point, namely wireless ap (access point), is used for a wireless switch of a wireless network and is also the core of the wireless network. The wireless AP is an access point for a mobile computer user to enter a wired network, is mainly used in broadband families, buildings and parks, and can cover dozens of meters to hundreds of meters. A wireless AP (also referred to as a session point or an access bridge) is a broad name, and includes not only a simple wireless access point (wireless AP), but also a generic name of a wireless router (including a wireless gateway and a wireless bridge).
Fig. 2 is a domain name service response method according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
step S202, a response parameter of the first domain name service path is acquired.
Specifically, the first domain name service path is a domain name service path connected to the current terminal, and in order to obtain the performance condition of the domain name service path, corresponding parameters need to be obtained according to domain name service path information returned by the server, so as to be used in subsequent judgment and processing steps.
It should be noted that the local terminal may be a mobile phone end of the user, and the obtaining manner may be that the mobile phone of the user calculates a response parameter of the current domain name service path by using a self-operation function, or that the mobile phone end of the user sends a response parameter request signal to the currently connected domain name service path, and the domain name service path returns a feedback signal according to the request signal sent by the mobile phone end of the user, where the feedback signal is a signal carrying a response parameter required by the mobile phone end. For example, when the user a is currently using a mobile phone to surf the internet, the mobile phone initiates a response parameter request signal to a domain name service path currently serving the user a, and the domain name service path sends a response parameter to the mobile phone of the user a after receiving the response parameter request signal, so that the mobile phone of the user a can perform subsequent processing by obtaining the response parameter.
It should be noted that the request signal for sending the response parameter to the domain name service path does not need the domain name service path to be online in real time, that is, when the domain name service path is broken down, the request signal can only transmit the response parameter for the user to determine by the mobile phone.
Optionally, the response parameters include: response time and no response request.
Specifically, the response parameter may reflect that the performance of the domain name service path is good or poor, so the embodiment of the present invention determines the response performance of the domain name service path by using a ratio of a response time to a no-response request, where the response time is a total time required for each data transmission and data reception when the terminal is connected to the domain name service path, for example, the mobile phone of the user a transmits data to the domain name service path at time T1, and when the time when the domain name service path returns data and is received by the mobile phone of the user a is T2, △ T is a response time for the operation of the domain name service path this time, and the calculation method is △ T2-T1.
Fig. 4 is a flowchart illustrating a domain name service response method according to another alternative embodiment of the present invention. As shown in fig. 4, in an optional embodiment, before obtaining the response parameter of the first domain name service path in step S202, the method may further include the following steps:
and S200, selecting a first domain name service path according to the priority.
Specifically, when the user terminal performs the initial domain name service path connection, priority ordering needs to be performed according to the performance of each domain name service path in the terminal, and the domain name service path is selected through the priority data, so that the domain name service paths with poor service quality and high non-response probability are reduced.
It should be noted that, the terminal of the user stores the priority information of the domain name service path, which may be connected, in its own memory, and when the terminal needs to perform the internet access operation, the terminal of the user performs screening according to the priority information and selects the optimal domain name service path for the terminal to access the internet. The priority selection step can greatly reduce the risk of encountering the non-response domain name service path, improve the internet access efficiency of the user terminal and save the resource use of the terminal.
Optionally, the step S200 of selecting the first domain name service path according to the priority includes:
s200a, acquiring the numerical value of the preset parameter of each domain name service path;
s200b, setting a priority for each domain name service path according to the value of the preset parameter.
Optionally, in step S200b, setting a priority for each domain name service path according to the value of the preset parameter may include:
and correspondingly setting the priority of each domain name service path from high to low according to the numerical value of the preset parameter from high to low.
Specifically, in order to reflect the role of the priority in selecting the domain name service path, the user terminal needs to quantize the performance of each domain name service path that may be connected, in a quantizing manner, to obtain a preset parameter of each domain name service path, and give priority to each domain name service path according to the size of the parameter.
Optionally, the numerical value of the preset parameter is calculated by the following formula: the value of the preset parameter is query success rate/response time.
Specifically, the priority ranking process needs to be performed based on the values of the preset parameters, and the preset parameter calculation manner is query success rate/response time, where the query success rate is tentative query access performed by the user terminal and each domain name server, and the query success rate is calculated according to the number of access times and whether the access is successful, for example, a mobile phone of the user a performs 100 accesses to the domain name service path B, where 88 times are access successes, and then the query success rate of B is 88%. The response time is the waiting time from sending data to receiving data when the user terminal accesses the domain name service path, and the response time represents the speed of the response speed of the domain name service path, so that in the calculation mode of the preset parameters, the smaller the response time is, the larger the preset parameter value is, the larger the query success rate is, and the larger the preset parameter value is. In summary, the domain name service path with a large value of the preset parameter indicates that the path has a high query success rate and a high response speed, and the corresponding priority ranking is also higher. When the user is on the internet, the terminal selects the domain name service path with high priority for the user, and the experience effect of the user is greatly enhanced.
Step S204, judging whether the response result of the domain name service path is no response according to the response parameter.
Optionally, fig. 3 is a schematic diagram illustrating the sub-steps included in step S204. As shown in fig. 3, the step S204 of determining whether the response result of the domain name service path is no response according to the response parameter includes:
s2041, comparing the response time with a first threshold value to obtain a first comparison result;
s2042, comparing the non-response request ratio with a second threshold value to obtain a second comparison result; and
and S2043, judging that the response result is no response when the first comparison result and the second comparison result both meet corresponding conditions.
Specifically, since the response parameters include response time and no-response request duty, when determining whether the domain name service path is in a no-response state, the two parameters need to be determined respectively. Comparing the response time with the first threshold means that a threshold for determining whether the response time meets the condition is set in the user terminal processor, where the threshold is a time value, and when the response time is greater than the threshold, the processor generates a first comparison result, that is, the response time meets the no-response condition.
According to the judgment of the response time, the no-response request ratio is compared with a second threshold, specifically, a threshold used for judging whether the no-response request ratio meets the condition is set in the user terminal processor, the threshold is a percentage value, and when the response time is greater than the threshold, the processor generates a second comparison result, namely, the no-response request ratio meets the no-response condition. Then the first result and the second result both satisfy the no-response judgment condition, and it can be finally determined that the domain name service path is already in the no-response state.
For example, the response time threshold set in the mobile phone processor of the user a is 10s, then when the mobile phone of the user a sends data to the domain name service path, a timer in the processor starts timing, and after 10s, if the mobile phone has not received the data returned by the domain name service path, it is determined that the response time meets the condition that the domain name service path does not respond.
It should be noted that, the mobile phone processor of the user a may additionally set a longer response time threshold, and after the timer exceeds the longer response time set here, it is directly determined that the domain name service path is in a no-response state, that is, it is not necessary to perform the determination of the no-response request ratio. The technical solution of the foregoing embodiment is to avoid logic confusion by judging the ratio of the no-response requests when the number of times of connecting the domain name service path is less than the specified ratio of the no-response requests.
For another example, if the no-response-request duty threshold is set to 20% in the processor of the mobile phone of the user a, then when the mobile phone of the user a sends the domain name service path multiple times, the counter in the processor will count the no-response times, and when the no-response times of the domain name service path connected to the mobile phone are greater than the threshold, it is determined that the no-response-request duty satisfies the no-response condition of the domain name service path.
In step S206, if the response result is no response, the second domain name service path is acquired.
Optionally, if the response result is no response, acquiring the second domain name service path includes: sending the response result to the mobile communication device; transmitting the response result to the modem through the mobile communication device; and according to the feedback information of the modem, carrying out network attachment again.
Specifically, when the domain name service path determined in S204 is non-responsive, the non-responsive result may be sent to the mobile phone end through the user terminal processor, and sent to the modem end according to a sending mechanism of the mobile phone end, where the terminal may send the non-responsive result to a modem of the terminal itself, or may send the non-responsive result to other relevant modems in the network environment, and which mode is specifically selected for sending needs to be determined according to the environment condition. After the modem receives the no-response result, the modem sends feedback information to the terminal to ensure the data between the devices to be accurate, and finally, the modem reattaches the IP address according to the no-response result so as to select a new domain name service path for the user terminal to use.
For example, when the mobile phone of the user a determines that the current domain name service path state is no response, the processor sends a no-response result to the modem, and the modem processes the no-response result, so that on one hand, whether the relevant information is received is fed back to the processor, and on the other hand, the network reattachment operation is started to select a new domain name service path, thereby realizing the process from determining that the network is no response to reestablishing the network response.
Optionally, the feedback information of the modem includes: the response result of the mobile communication device is received, and the response result of the mobile communication device is not received.
Specifically, the modem needs to feed back the received response result to ensure that no leakage occurs during data transmission, and the feedback mode is to transmit the following two types of information to the user terminal: the response result of the mobile communication device is received, and the response result of the mobile communication device is not received.
Step S208, the second domain name service path is updated to the wireless access point.
Specifically, the second domain name service path is a new domain name service path generated in S206, and after the user terminal selects the new domain name service path, the user terminal needs to update the relevant information to the wireless access point, so that the new domain name service path is adopted in subsequent network access.
According to another aspect of the embodiments of the present invention, there is also provided a mobile communication device comprising a processor and a memory, wherein a computer readable program is stored, and when the computer readable program is executed by the processor, the mobile communication device performs the method of the above embodiments.
Since the method executed by a mobile communication device in this embodiment is the technical solution described in the foregoing S202 to S208, the detailed description is omitted here.
Through the steps, the technical effect that the domain name service path is reselected in time and the internet surfing function is recovered under the condition that the mobile phone of the user encounters the non-response domain name service path can be achieved.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A domain name service response method applied to a mobile communication device, the method comprising:
acquiring a response parameter of a first domain name service path;
judging whether the response result of the domain name service path is no response according to the response parameters;
if the response result is no response, acquiring a second domain name service path;
and updating the second domain name service path to a wireless access point.
2. The method of claim 1, wherein the response parameter comprises: response time and no response request.
3. The method according to claim 2, wherein the determining whether the response result of the domain name service path is non-responsive according to the response parameter comprises:
comparing the response time with a first threshold value to obtain a first comparison result;
comparing the non-response request percentage with a second threshold value to obtain a second comparison result;
and when the first comparison result and the second comparison result both meet corresponding conditions, judging that the response result is no response.
4. The method of claim 1, wherein if the response result is no response, then obtaining the second domain name service path comprises:
sending the response result to the mobile communication device;
sending, by the mobile communication device, the response result to a modem;
and according to the feedback information of the modem, carrying out network attachment again.
5. The method of claim 4, wherein the feedback information of the modem comprises: receiving the response result of the mobile communication device, and not receiving the response result of the mobile communication device.
6. The method of claim 1, wherein prior to the obtaining the response parameter for the first domain name service path, the method further comprises:
selecting the first domain name service path according to priority.
7. The method of claim 6, wherein the selecting the first domain name service path according to priority comprises:
acquiring the numerical value of a preset parameter of each domain name service path;
and setting a priority for each domain name service path according to the numerical value of the preset parameter.
8. The method according to claim 7, wherein the setting the priority for each domain name service path according to the value of the preset parameter comprises:
and correspondingly setting the priority of each domain name service path from high to low according to the descending of the numerical value of the preset parameter.
9. The method according to claim 7, wherein the value of the preset parameter is calculated by the following formula:
the value of the preset parameter is query success rate/response time.
10. A mobile communication device, comprising:
a processor; and
memory having stored therein a computer readable program which, when executed by the processor, performs the method of any of claims 1-9.
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