CN107959576B - Flow charging method and system and cache device - Google Patents
Flow charging method and system and cache device Download PDFInfo
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- CN107959576B CN107959576B CN201610905781.8A CN201610905781A CN107959576B CN 107959576 B CN107959576 B CN 107959576B CN 201610905781 A CN201610905781 A CN 201610905781A CN 107959576 B CN107959576 B CN 107959576B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1425—Charging, metering or billing arrangements for data wireline or wireless communications involving dedicated fields in the data packet for billing purposes
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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
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
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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]
Abstract
The invention discloses a flow charging method and system and a cache device, and relates to the field of intelligent pipelines. The flow charging method comprises the following steps: the cache device acquires a network access request; if the cache device has access content corresponding to the network access request, the cache device judges whether the access destination address information in the network access request is matched with the directional charging service address information; if the network access request is matched with the domain name substitute address, the cache device redirects the network access request to the domain name substitute address and returns the network access request, and the domain name substitute address points to the cache device; the cache device obtains an access request of a user for accessing the domain name substitute address, so that the charging device charges the access request of the user according to the domain name substitute address. By adopting the cache device to redirect the network access request of the user aiming at the directional charging service to the domain name substitute address pointing to the cache device, the charging device can charge according to the domain name substitute address in the redirected access request, thereby improving the accuracy of flow charging.
Description
Technical Field
The present invention relates to the field of intelligent pipelines, and in particular, to a method and a system for charging traffic and a caching device.
Background
The mobile WebCache (network cache) is deployed in a mobile core network and used for storing Internet hot content, so that the access delay of a user can be reduced, the service experience of the user can be improved, and the network outlet bandwidth can be reduced.
The directional flow service is an important means for flow management, and operators realize the reduction and the avoidance of the specified content flow cost through the cooperation with application service providers.
Currently, directed traffic identification is mainly based on IP (internet protocol) quintuple and domain name. However, after the WebCache is deployed, the IP of the original content may be redirected to the IP address of the WebCache, so that the charging system cannot identify whether the access content belongs to a cooperative application service provider, and the charging is still performed according to a common charging method, which affects the accuracy of traffic charging.
For example, WebCache, a cache device in the prior art, obtains 222.65. When the WebCache finds 222.65. times.100 is a directed charging service address, the WebCache redirects the user's access to the IP address of the WebCache, 10.21. times.1. Therefore, when a user requests data content related to the directional charging service, the address in the request is 10.21 · 1, so that the charging device cannot know whether the requested flow is the directional charging service flow according to the address in the request, and charging inaccuracy is caused.
Disclosure of Invention
The embodiment of the invention aims to solve the technical problem that: an accurate flow meter billing method is provided.
According to a first aspect of the embodiments of the present invention, a traffic charging method is provided, including: the cache device acquires a network access request sent by a user; the cache device judges whether the cache device caches access content corresponding to the network access request; if the cache device caches the access content corresponding to the network access request, the cache device judges whether the access destination address information in the network access request is matched with the directional charging service address information; if the access destination address information is matched with the directional charging service address information, the cache device redirects the network access request to a domain name substitution address and returns the domain name substitution address to the user, and the domain name substitution address points to the cache device; the cache device obtains an access request of a user for accessing the domain name substitute address and returns the cached access content, so that the charging device charges the access request of the user according to the domain name substitute address.
In one embodiment, the caching apparatus redirecting the network access request to the domain name replacement address and returning to the user comprises: and after the caching device replaces the network protocol address in the access destination address information with a substitute domain name corresponding to the network protocol address, the domain name substitute address is obtained and returned to the user.
In one embodiment, the cache device obtaining the user redirected access request to the domain name substitution address comprises: the cache device acquires a domain name substitution address in a user access request; the cache device resolves the domain name substitution address; if the resolution result contains the network protocol address of the cache device, the cache device processes the access request for the substitute domain name.
In one embodiment, each directional charging service address information corresponds to a different domain name substitute address; and the cache device redirects the network access request to a domain name substitute address corresponding to the directional charging service address information matched with the access destination address information and returns the domain name substitute address to the user.
In one embodiment, further comprising: and the cache device receives the corresponding relation between the directional charging service address and the domain name substitution address sent by the charging device.
According to a second aspect of the embodiments of the present invention, there is provided a cache apparatus, including: the access request acquisition module is used for acquiring a network access request sent by a user; the cache content viewing module is used for judging whether the cache device caches access content corresponding to the network access request; the access address matching module is used for judging whether the access destination address information in the network access request is matched with the directional charging service address information or not when the cache device caches the access content corresponding to the network access request; the request redirection module is used for redirecting the network access request to a domain name substitution address and returning the domain name substitution address to the user when the access destination address information is matched with the directional charging service address information, and the domain name substitution address points to the cache device; and the redirection request processing module is used for acquiring an access request of the user for accessing the domain name substitute address and returning the cached access content so that the charging device can charge the access request of the user according to the domain name substitute address.
In one embodiment, the request redirection module includes a domain name substitute address generation unit, configured to replace a network protocol address in the access destination address information with a substitute domain name corresponding to the network protocol address, obtain a domain name substitute address, and return the domain name substitute address to the user.
In one embodiment, the redirection request processing module includes: a domain name substitute address obtaining unit, configured to obtain a domain name substitute address in the user access request; the address resolution unit is used for resolving the domain name substitution address; and the access processing unit is used for processing the access request of the substitute domain name when the resolution result contains the network protocol address of the cache device.
In one embodiment, each directional charging service address information corresponds to a different domain name substitute address; the request redirection module is further used for redirecting the network access request to a domain name substitute address corresponding to the directional charging service address information matched with the access destination address information and returning the domain name substitute address to the user.
In one embodiment, further comprising: and the corresponding relation updating module is used for receiving the corresponding relation between the directional charging service address and the domain name substitution address sent by the charging device.
According to a third aspect of the embodiments of the present invention, there is provided a traffic charging system, including: any one of the above caching devices and the charging device are configured to charge an access request for a user to access a domain name replacement address and a directional charging service address according to a preset rule.
In one embodiment, the charging means is further configured to send the correspondence between the address of the directional charging service and the domain name replacement address to the caching means.
The invention redirects the network access request of the user aiming at the directional charging service to the domain name substitution address pointing to the cache device by adopting the cache device, so that the charging device can charge according to the domain name substitution address in the redirected access request, thereby improving the accuracy of flow charging.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario of the traffic charging method provided in the present invention.
Fig. 2 is a flowchart of an embodiment of a traffic charging method according to the present invention.
Fig. 3 is a structural diagram of an embodiment of the traffic charging system of the present invention.
Fig. 4 is a structural diagram of a cache apparatus according to an embodiment of the present invention.
Fig. 5 is a structural diagram of another embodiment of the cache apparatus of the present invention.
Detailed Description
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
Fig. 1 is a schematic view of an application scenario of the traffic charging method provided in the present invention. As shown in fig. 1, the caching device is located between the user terminal and the internet, and is used to obtain the access of the user to the internet, check whether the content requested by the user is cached locally, and redirect the user request and domain name resolution. The charging device is located between the user terminal and the cache device, and is used for distinguishing services according to the user request and the access information such as a source address, a destination address, an HTTP (hyper text Transfer Protocol) domain name, a port number, flow and the like accessed by the user, which are contained in the response data of the request, and carrying out differentiated charging on the access of the user to different services.
A flow charging method according to an embodiment of the present invention is described below with reference to fig. 2.
Fig. 2 is a flowchart of an embodiment of a traffic charging method according to the present invention. As shown in fig. 2, the method of this embodiment includes:
in step S202, the caching device obtains a network access request sent by a user.
The cache device may be, for example, WebCache.
The network access request sent by the user is an HTTP access request based on an IP address.
Step S204, the cache device judges whether the cache device caches the access content corresponding to the network access request.
Step S206, if the cache device caches the access content corresponding to the network access request, the cache device judges whether the access destination address information in the network access request is matched with the directional charging service address information.
The charging service address information may include, for example, IP five-tuple information, i.e., a source IP address, a source port number, a destination IP address, a destination port number, and a transport layer protocol, and may also include UR L (Uniform Resource L locator) information.
The cache device may receive a correspondence between the directional charging service address and the domain name substitute address sent by the charging device. Meanwhile, the charging device also stores the corresponding relation so as to carry out accurate charging. The charging system may send the change condition to the caching device after the corresponding relationship is changed or increased or deleted.
Step S208, if the access destination address information is matched with the directional charging service address information, the cache device redirects the network access request to a domain name substitution address and returns the domain name substitution address to the user, and the domain name substitution address points to the cache device.
The method for determining whether the access destination address information matches with the directional charging service address information may be, for example, if each item of the access destination address information is consistent with each item of the directional charging service address information, determining that the access destination address information matches with the directional charging service address information. Other matching conditions may also be employed as desired, and are not described further herein.
The domain name substitute address refers to a preset address expressed in a domain name form, and the domain name substitute address points to the cache device, that is, the cache device can resolve the domain name substitute address into an IP address of the cache device.
When the charging rule is simple and it is not necessary to distinguish different services for special charging, for example, when the traffic generated by all the cooperative application service providers is free, the cache device may set only one domain name substitute address and redirect all the different access destination address information to the same domain name substitute address.
However, when the charging rules are complex and it is necessary to distinguish different services for special charging, a plurality of domain name substitute addresses may be set, that is, each directional charging service address information corresponds to a different domain name substitute address, for example, a plurality of URs L may be set, each UR L corresponds to a specific service.
If the access destination address information is matched with the address information of the directional charging service, the access of the user is the access needing special charging. In order to avoid the problem of inaccurate charging caused by the redirection of the IP address by adopting a cache device in the prior art, the invention redirects the network access request to the domain name substitution address.
Step S210, the cache device obtains an access request for the user to access the domain name substitute address, and returns the cached access content, so that the charging device charges the access request of the user according to the domain name substitute address.
The processing procedure of the access request of the cache device for the user to access the domain name substitute address may be: the cache device firstly obtains the domain name substitution address in the user access request and then resolves the domain name substitution address. If the resolution result contains the IP address of the cache device, the cache device processes the access request for the substitute domain name. For example, to look up the cached data based on the access request and return it to the user. Wherein, the caching device will return the IP address of the caching device obtained by analysis to the user before the DNS (Domain Name System) in the network responds.
The cache device is set in advance, and the domain name substitute address can be resolved into the IP address of the cache device.
The redirected access request contains the domain name substitute address, and the charging device stores the charging rule corresponding to the domain name substitute address, so that the charging device can correctly identify the flow needing special charging.
By adopting the cache device to redirect the network access request of the user aiming at the directional charging service to the domain name substitute address pointing to the cache device, the charging device can charge according to the domain name substitute address in the redirected access request, thereby improving the accuracy of flow charging.
For example, if the IP address of the caching device is 10.21. 1. the user initiates an access to 222.65. 100. in the case where the content requested by the user is cached in the caching device, the caching device searches a locally stored list of directed charging service addresses, finds 222.65. 100 is in the list, i.e., 222.65. 100 is an address corresponding to a service requiring special charging, and the address corresponds to a substitute domain name address of xxx.dx LL. then, the caching device returns a redirection result to the user, redirects the user's request to xxx.dx LL. the user initiates an access to xxx.dx LL in response to the content sent by the caching device.
For example, in the request process, in addition to the address information, the path name and the file name of the access destination resource may also be included, for example, the requested UR L may be "http:// 222.65. 100/tu/". if the substitute domain name is "xxx.dx LL", then only "222.65. 100" may be replaced, and the obtained domain name substitute address is "http:// xxx.dx LL/tu/", so that the user can still accurately obtain the resource to be obtained after redirection.
A flow charging system according to an embodiment of the present invention is described below with reference to fig. 3.
Fig. 3 is a structural diagram of an embodiment of the traffic charging system of the present invention. As shown in fig. 3, the traffic charging system of this embodiment includes: charging means 30 and caching means 40. The charging device 30 is used for charging the access request of the user for accessing the domain name substitute address and the directional charging service address according to the preset rule.
Furthermore, the charging apparatus 30 may be further configured to send the corresponding relationship between the directional charging service address and the domain name replacement address to the caching apparatus 40.
A caching apparatus according to an embodiment of the invention is described below with reference to fig. 4.
Fig. 4 is a structural diagram of a cache apparatus according to an embodiment of the present invention. As shown in fig. 4, the cache apparatus 40 of this embodiment includes: an access request obtaining module 41, configured to obtain a network access request sent by a user; a cache content checking module 42, configured to determine whether the cache device caches access content corresponding to the network access request; an access address matching module 43, configured to, when the access content corresponding to the network access request is cached in the cache device, determine whether access destination address information in the network access request matches with directional charging service address information; a request redirection module 44, configured to redirect the network access request to a domain name replacement address and return the domain name replacement address to the user when the access destination address information matches the directional charging service address information, where the domain name replacement address points to the cache device; and a redirection request processing module 45, configured to obtain an access request for the user to access the domain name substitute address, and return the cached access content, so that the charging device charges the access request of the user according to the domain name substitute address.
Wherein, each directional charging service address information can correspond to different domain name substitution addresses. The request redirection module 44 may be further configured to redirect the network access request to a domain name substitute address corresponding to the directional charging service address information matching the access destination address information and return the domain name substitute address to the user.
By adopting the cache device to redirect the network access request of the user aiming at the directional charging service to the domain name substitute address pointing to the cache device, the charging device can charge according to the domain name substitute address in the redirected access request, thereby improving the accuracy of flow charging.
A cache apparatus according to another embodiment of the present invention is described below with reference to fig. 5.
Fig. 5 is a structural diagram of another embodiment of the cache apparatus of the present invention. As shown in fig. 5, the request redirection module 44 of this embodiment may include a domain name replacement address generation unit 541, configured to obtain a domain name replacement address and return the domain name replacement address to the user after replacing the network protocol address in the access destination address information with a replacement domain name corresponding to the network protocol address.
The redirection request processing module 45 may include: a domain name substitute address obtaining unit 551, configured to obtain a domain name substitute address in the user access request; an address resolution unit 552 for resolving a domain name substitute address; an access processing unit 553, configured to process the access request for the alternative domain name when the resolution result includes the network protocol address of the caching device.
Furthermore, the caching apparatus 40 may further include: and a correspondence updating module 56, configured to receive a correspondence between the directional charging service address and the domain name substitute address sent by the charging device.
Furthermore, the method according to the invention may also be implemented as a computer program product comprising a computer readable medium having stored thereon a computer program for performing the above-mentioned functions defined in the method of the invention. Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (12)
1. A traffic charging method is characterized by comprising the following steps:
the cache device acquires a network access request sent by a user;
the cache device judges whether the cache device caches the access content corresponding to the network access request;
if the cache device caches the access content corresponding to the network access request, the cache device judges whether the access destination address information in the network access request is matched with the directional charging service address information;
if the access destination address information is matched with the directional charging service address information, the cache device redirects the network access request to a domain name substitution address and returns the domain name substitution address to the user, and the domain name substitution address points to the cache device;
the cache device obtains an access request of a user for accessing the domain name substitute address and returns the cached access content, so that the charging device charges the access request of the user according to the domain name substitute address.
2. The method of claim 1, wherein the caching device redirecting the network access request to a domain name replacement address and returning the network access request to the user comprises:
and after the caching device replaces the network protocol address in the access destination address information with a substitute domain name corresponding to the network protocol address, obtaining a domain name substitute address and returning the domain name substitute address to the user.
3. The method of claim 1, wherein the caching device obtaining the user redirected request for accessing the domain name substitute address comprises:
the cache device acquires a domain name substitution address in a user access request;
the cache device resolves the domain name substitution address;
and if the resolution result contains the network protocol address of the cache device, the cache device processes the access request for the substitute domain name.
4. The method of claim 1, wherein each directional charging service address information corresponds to a different domain name substitute address;
and the cache device redirects the network access request to a domain name substitute address corresponding to the directional charging service address information matched with the access destination address information and returns the domain name substitute address to the user.
5. The method of claim 1, further comprising:
and the cache device receives the corresponding relation between the directional charging service address and the domain name substitution address sent by the charging device.
6. A cache apparatus, comprising:
the access request acquisition module is used for acquiring a network access request sent by a user;
the cache content viewing module is used for judging whether the cache device caches the access content corresponding to the network access request;
the access address matching module is used for judging whether the access destination address information in the network access request is matched with the address information of the directional charging service when the cache device caches the access content corresponding to the network access request;
the request redirection module is used for redirecting the network access request to a domain name substitution address and returning the domain name substitution address to a user when the access destination address information is matched with the directional charging service address information, wherein the domain name substitution address points to the cache device;
and the redirection request processing module is used for acquiring an access request of a user for accessing the domain name substitute address and returning the cached access content so that the charging device can charge the access request of the user according to the domain name substitute address.
7. The caching device according to claim 6, wherein the request redirection module includes a domain name substitute address generation unit, configured to replace a network protocol address in the access destination address information with a substitute domain name corresponding to the network protocol address, obtain a domain name substitute address, and return the domain name substitute address to the user.
8. The caching apparatus of claim 6, wherein the redirection request processing module comprises:
a domain name substitute address obtaining unit, configured to obtain a domain name substitute address in the user access request;
the address resolution unit is used for resolving the domain name substitution address;
and the access processing unit is used for processing the access request to the substitute domain name when the resolution result contains the network protocol address of the cache device.
9. The caching device of claim 6, wherein each piece of directional charging service address information corresponds to a different domain name substitute address;
the request redirection module is further used for redirecting the network access request to a domain name substitute address corresponding to the directional charging service address information matched with the access destination address information and returning the domain name substitute address to the user.
10. The caching apparatus of claim 6, further comprising:
and the corresponding relation updating module is used for receiving the corresponding relation between the directional charging service address and the domain name substitution address sent by the charging device.
11. A traffic charging system, comprising:
the caching apparatus of any one of claims 6 to 10, and,
and the charging device is used for charging the access request of the user for accessing the domain name substitute address and the directional charging service address according to a preset rule.
12. The system of claim 11, wherein the charging device is further configured to send a correspondence between the address of the directional charging service and the domain name replacement address to the caching device.
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| CN109547222A (en) * | 2018-11-07 | 2019-03-29 | 斑马网络技术有限公司 | The flow statistical method and device of network request |
| CN111225389B (en) * | 2018-11-23 | 2023-05-02 | 中国移动通信集团有限公司 | Mobile data flow processing method and device |
| CN109560940B (en) * | 2018-12-26 | 2021-08-27 | 网宿科技股份有限公司 | Charging method and device for content delivery network CDN service |
| CN111953616B (en) * | 2019-05-17 | 2023-01-31 | 贵州白山云科技股份有限公司 | Load balancing scheduling method, device, system, medium and equipment |
| CN112543207A (en) * | 2019-09-20 | 2021-03-23 | 中国联合网络通信集团有限公司 | Data processing method and device |
| CN114884820A (en) * | 2022-06-02 | 2022-08-09 | 北京亿安天下科技股份有限公司 | Method and device for actively pairing and detecting network information, electronic equipment and storage medium |
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| DE102004026140A1 (en) * | 2004-05-26 | 2005-12-22 | Siemens Ag | Arrangement for creating service-oriented charge data in a communication network |
| GB2503990B (en) * | 2012-05-24 | 2014-12-03 | Seven Networks Inc | Wireless network traffic routing through traffic optimization and tracking of destination address to facilitate service provider billing |
| CN104023092B (en) * | 2014-04-29 | 2017-09-26 | 中国联合网络通信集团有限公司 | A kind of method and system for realizing orientation flow bag |
| CN105099803B (en) * | 2014-05-15 | 2019-01-08 | 中国移动通信集团公司 | A kind of method for recognizing flux, application server and network element device |
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