CN111092963B - 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 response parameters of a first domain name service path; judging whether the response result of the domain name service path is non-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 the wireless access point. The invention solves the technical problem that the mobile phone cannot automatically recover the network when encountering a 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 surfing operation through a mobile communication device has become a technology available to users at any time. For example, a user may browse a web page by using browser software in various brands of mobile phones and tablet computers, and obtain various information required in daily life.
At present, when a user surfs the internet through a mobile phone (a mobile communication device), if the currently used domain name service path does not respond, the symptoms displayed by the mobile phone end of the user cannot be opened (or an app is connected), but the existing technology cannot automatically recover the domain name service path under the condition that the user cannot surf the internet in the process of 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 a flight mode, a hot plug sim card, restarting the mobile phone or switching a network mode and other rough modes of the mobile phone, and the user experience on the user level is poor.
In view of the above problems, no effective solution has been proposed at present.
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 encounters a domain name server without response and cannot automatically recover a network.
According to an aspect of an embodiment of the present invention, there is provided a domain name service response method applied to a mobile communication device, wherein the method includes: acquiring response parameters of a first domain name service path; judging whether the response result of the domain name service path is non-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 the wireless access point.
Optionally, the response parameters include: response time and no response request duty cycle.
Optionally, determining whether the response result of the domain name service path is non-response according to the response parameter includes: comparing the response time with a first threshold value to obtain a first comparison result; comparing the non-response request duty 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: transmitting the response result to the mobile communication device; transmitting the response result to the modem through the mobile communication device; network attachment is carried out again according to the feedback information of the modem.
Optionally, the feedback information of the modem includes: and receiving a response result of the mobile communication device and not receiving the response result of the mobile communication device.
Optionally, before acquiring 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 comprises: 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 the priority for each domain name service path according to the value of the preset parameter includes: and setting the priority of each domain name service path from high to low according to the value of the preset parameter from high to low.
Optionally, the value of the preset parameter is calculated by the following formula: values of preset parameters = 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 in which a computer readable program is stored, which when executed by the processor, performs the method of the above embodiments.
In the embodiment of the invention, the method of judging whether the domain name service path is unresponsive is adopted by acquiring the parameters of the domain name service response, so that the technical effect of timely reselecting the domain name service path and recovering the internet function under the condition that the user mobile phone encounters the unresponsive domain name service path is achieved, and the technical problem that the mobile phone encounters the unresponsive domain name server and cannot automatically recover the network is 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 embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on 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 flow chart of a domain name service response method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram showing the substeps of step S204 in fig. 2.
Fig. 4 is a flowchart of a domain name service response method according to another embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise 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 being noted that the steps shown in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and that, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order other than that shown or described 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, where a mobile phone end of a user sends a domain name request to the DNS server and receives an IP address returned by the DNS server, and performs network access according to the IP address, but in the above process in the prior art, when the DNS server (domain name service path) has no response, the mobile phone end of the user cannot obtain the IP address, so that the mobile phone of the user cannot implement the internet surfing function. The present invention can solve the above technical problems by the following examples.
With respect to the technical terms involved in the present embodiment, the following explanation is made here:
the domain name service path (DNS), also known as a domain name server or domain name service protocol, is a distributed network directory service, mainly used for the mutual conversion of domain names and IP addresses, and for controlling the implementation of internet access.
Network attachment (attach) means that the terminal logs in the PS network, meanwhile, the location information of the network attachment is stored in the HLR, and the user means that the user normally starts up and opens GPRS service at the operator, and only if the attachment is successful, the network attachment service can be normally initiated; reattachment refers to a process of allocating an IP address to a terminal due to the need of packet data transmission, for example, a user opens a web page to start browsing by using a mobile phone, and at this time, traffic of a user plane is generated.
The wireless access point, wireless AP (Access Point), which is a wireless switch for a wireless network, is also the core of the wireless network. The wireless AP is an access point for mobile computer users to enter a wired network, is mainly used in broadband families, buildings and parks, and can cover tens of meters to hundreds of meters. A wireless AP (also called a session point or an access bridge) is a generic name that includes not only a simple wireless access point (wireless AP), but also 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 comprising the steps of:
step S202, response parameters of the first domain name service path are 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 of the domain name service path, corresponding parameters are required to be obtained according to the domain name service path information returned by the server, so as to be used in subsequent judging and processing steps.
It should be noted that, the local terminal may be a mobile phone end of the user, the obtaining manner may be that the mobile phone of the user calculates the response parameter of the current domain name service path by using the self operation function, or the mobile phone end of the user sends a response parameter request signal to the currently connected domain name service path, and meanwhile, 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 the response parameter required by the mobile phone end. For example, when the user a is surfing the internet by using the mobile phone, 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 end of the user a after receiving the response parameter request signal, so that the mobile phone end 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, i.e. when the domain name service path is paralyzed, the response parameter can be only transmitted for the judgment of the user mobile phone.
Optionally, the response parameters include: response time and no response request duty cycle.
Specifically, the response parameters may reflect the good and bad performance of the domain name service path, so embodiments of the present invention use the response time and the no-response request duty cycle to determine the response performance of the domain name service path. The response time is the total time required by the terminal to send and receive data each time when the terminal is connected to the domain name service path, for example, the mobile phone of the user a sends data to the domain name service path at time T1, and when the domain name service path returns data and is received by the mobile phone of the user a, the time is T2, and then Δt is the response time of the operation of the domain name service path, and the calculation method is as follows: Δt=t2-T1. The non-response request ratio is a statistical concept, and after the terminal performs connection of the domain name service path for several times, the number of times of non-response of the domain name service path is a percentage of the total connection times, for example, the mobile phone of the user a is connected with the domain name service path for 100 times in total, wherein 23 times are the times of non-response of the domain name service path, so the calculation method is as follows: the non-response request ratio=23/100×100%, i.e. the calculated result of the non-response request ratio of the user a mobile phone to this time is 23%.
Fig. 4 is a flow chart of a domain name service response method according to another alternative embodiment of the invention. As shown in fig. 4, in an alternative embodiment, before step S202, that is, before the response parameter of the first domain name service path is acquired, the method may further include the following steps:
s200, selecting a first domain name service path according to the priority.
Specifically, when the user terminal connects the primary domain name service paths, priority ordering is required to be performed according to the performance of each domain name service path in the terminal, and the domain name service paths are selected according to 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 into the memory of the terminal, when the terminal needs to perform the internet surfing operation, the terminal of the user screens according to the priority information, and selects the optimal domain name service path for the terminal to surf the internet. The priority selecting step can not only greatly reduce the risk of encountering a non-response domain name service path, but also improve the internet surfing efficiency of the user terminal and save the resource use of the terminal.
Optionally, step S200, that is, selecting the first domain name service path according to the priority includes:
s200a, obtaining the numerical value of a preset parameter of each domain name service path;
and S200b, setting priority for each domain name service path according to the numerical value of the preset parameter.
Optionally, step S200b, setting the priority for each domain name service path according to the value of the preset parameter may include:
and setting the priority of each domain name service path from high to low according to the value of the preset parameter from high to low.
Specifically, in order to embody the role of the priority in the domain name service path selection, the user terminal needs to quantify the performance of each domain name service path that may be connected in such a manner as to obtain a preset parameter of each domain name service path, and assign priority to each domain name service path according to the size of the parameter.
Optionally, the value of the preset parameter is calculated by the following formula: values of preset parameters = query success rate/response time.
Specifically, the prioritization process needs to be performed based on the value of the preset parameter, and the preset parameter is calculated in a query success rate/response time, where the query success rate is a 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 accesses and whether the access is successful, for example, the mobile phone of the user a performs 100 accesses to the domain name service path B, where 88 accesses are successful, and then the query success rate of B is 88%. The response time is the waiting time which passes between the sending data and the receiving data when the user terminal accesses the domain name service path, and the response time characterizes the response speed of the domain name service path, so that in the calculation mode of the preset parameter, the smaller the response time is, the larger the value of the preset parameter is, the larger the query success rate is, and the larger the value of the preset parameter is. In summary, a domain name service path with a large preset parameter value indicates that the path has high query success rate and high response speed, and the corresponding priority ranking is higher. When the user surfs the internet, the terminal selects a 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 non-response according to the response parameters.
Optionally, fig. 3 is a schematic diagram of sub-steps included in step S204. As shown in fig. 3, step S204, that is, determining whether the response result of the domain name service path is non-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 duty ratio with a second threshold value to obtain a second comparison result; and
and S2043, judging that the response result is non-response when the first comparison result and the second comparison result meet the corresponding conditions.
Specifically, since the response parameters include the response time and the no-response request duty ratio, when judging whether the domain name service path is in the no-response state, it is necessary to judge the two parameters respectively. Comparing the response time with the first threshold value means that a threshold value for judging whether the response time meets the condition is set in the user terminal processor, the threshold value is a time value, and when the response time is greater than the threshold value, the processor generates a first comparison result, namely that the response time meets the condition without response.
According to the judgment of the response time, the non-response request duty ratio is compared with a second threshold, specifically, a threshold for judging whether the non-response request duty 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 non-response request duty ratio meets the non-response condition. Then the first result and the second result both meet the non-response judgment condition, and it can be finally determined that the domain name service path is in a non-response state.
For example, if the response time threshold is set to 10s in the mobile phone processor of the user a, when the mobile phone of the user a sends data to the domain name service path, a timer in the processor starts to count, and if the mobile phone does not receive the data returned by the domain name service path after 10s, the response time is judged to meet the condition that the domain name service path is not responsive.
It should be noted that, the mobile phone processor of the user a may additionally set a response time threshold for a longer time, and when the timer exceeds the response time set herein, it directly determines that the domain name service path is in a non-response state, that is, it does not need to determine the duty ratio of the non-response request. The technical solution of the foregoing embodiment is to avoid logic confusion by not requiring judgment of the no-response request ratio when the number of times of connecting the domain name service path is not more than the no-response request ratio.
For another example, the threshold value of the no-response request is set to be 20% in the mobile phone processor of the user a, so that when the mobile phone of the user a sends out the no-response request to the domain name service path for multiple times, the counter in the processor counts the no-response times, and when the no-response times of the domain name service path connected with the mobile phone is greater than the threshold value, it is judged that the no-response request ratio meets the condition of no-response of the domain name service path.
Step S206, if the response result is no response, acquiring a second domain name service path.
Optionally, if the response result is no response, acquiring the second domain name service path includes: transmitting the response result to the mobile communication device; transmitting the response result to the modem through the mobile communication device; network attachment is carried out again according to the feedback information of the modem.
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 by the user terminal processor and sent to the modem end according to the sending mechanism of the mobile phone end, where the terminal may send the non-responsive result to the modem of the terminal itself, or may send the non-responsive result to other related modems in the network environment, and specifically select which mode to send, which needs to be determined according to the environmental situation. After the modem receives the non-response result, the modem itself will send feedback information to the terminal to ensure that the data between the devices is accurate, and finally, according to the non-response result, the modem reattaches the IP address to select a new domain name service path for the user terminal.
For example, when the mobile phone of the user a determines that the current domain name service path state is non-responsive, the processor sends a non-responsive result to the modem, and the modem processes the non-responsive result, so as to feed back to the processor whether related information is received or not, and start the network reattachment operation so as to select a new domain name service path, thereby realizing the process from determining that the network is non-responsive to reestablishing the network response.
Optionally, the feedback information of the modem includes: and receiving a response result of the mobile communication device and not receiving the response result of the mobile communication device.
Specifically, the modem needs to feed back the received response result to ensure no omission in the data transmission process, and the feedback mode is to transmit the following two kinds of information to the user terminal: and receiving a response result of the mobile communication device and not receiving the response result of the mobile communication device.
Step S208, the second domain name service path is updated to the wireless access point.
Specifically, the second domain name service path is the new domain name service path generated in S206, and after the user terminal selects the new domain name service path, the relevant information needs to be updated to the wireless access point, so that the new domain name service path is adopted in the 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 in which a computer readable program is stored, which when executed by the processor, performs the method of the above embodiments.
Since the method executed by the mobile communication device in this embodiment is the technical solutions described in S202 to S208, a detailed description is omitted here.
Through the steps, the technical effect of timely reselecting the domain name service path and recovering the internet surfing function can be realized under the condition that the user mobile phone encounters the non-response domain name service path.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform 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, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A domain name service response method applied to a mobile communication device, the method comprising:
acquiring response parameters of a first domain name service path;
judging whether the response result of the domain name service path is non-response according to the response parameters;
if the response result is no response, a second domain name service path is acquired;
updating the second domain name service path to a wireless access point;
the response parameters include: response time and no response request duty cycle;
the step of judging whether the response result of the domain name service path is non-response according to the response parameter comprises the following steps:
comparing the response time with a first threshold value to obtain a first comparison result;
comparing the non-response request duty ratio with a second threshold value to obtain a second comparison result;
when the first comparison result and the second comparison result both meet the corresponding conditions, judging that the response result is non-response;
and if the response result is no response, acquiring the second domain name service path comprises:
transmitting the response result to a modem;
and re-attaching the network according to the feedback information of the modem to obtain a second domain name service path.
2. The method of claim 1, wherein the modem feedback information comprises: and receiving a response result of the mobile communication device, and not receiving the response result of the mobile communication device.
3. The method of claim 1, wherein prior to the obtaining the response parameters for the first domain name service path, the method further comprises:
and selecting the first domain name service path according to the priority.
4. A method according to claim 3, wherein said selecting said 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 priority for each domain name service path according to the numerical value of the preset parameter.
5. The method according to claim 4, wherein said prioritizing said each domain name service path according to the value of said preset parameter comprises:
and setting the priority of each domain name service path from high to low correspondingly according to the value of the preset parameter from high to low.
6. The method of claim 4, wherein the value of the predetermined parameter is calculated by the following formula:
values of preset parameters = query success rate/response time.
7. A mobile communication device, comprising:
a processor; and
a memory in which a computer readable program is stored which, when executed by the processor, performs the method of any of claims 1-6.
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