CN113179187A - CDN node accelerated configuration distribution method - Google Patents
CDN node accelerated configuration distribution method Download PDFInfo
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- CN113179187A CN113179187A CN202110567481.4A CN202110567481A CN113179187A CN 113179187 A CN113179187 A CN 113179187A CN 202110567481 A CN202110567481 A CN 202110567481A CN 113179187 A CN113179187 A CN 113179187A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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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
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a CDN node accelerated configuration delivery method.A user side sends domain name CNAME analysis to a CDN node, the CDN node caches when cache resources exist, and returns to the source when the cache resources do not exist, the CDN node is provided with a private DNS module, and the CDN node sends a request to a user source station through the private DNS module. The method of the embodiment can avoid the problem of low efficiency caused by the fact that the existing configuration distribution adopts a public network DNS to return the source, and directly sends the request to the user source station through the private DNS module of the CDN node, so that the efficiency and the accuracy are improved.
Description
Technical Field
The invention belongs to the technical field of computer networks, and particularly relates to a CDN node accelerated configuration distribution method.
Background
The CDN is called a ContentDeliveryNetwork, i.e., a content delivery network. The basic idea is to avoid bottlenecks and links possibly influencing data transmission speed and stability on the Internet as far as possible, so that content transmission is faster and more stable. By placing node servers at various positions of the network to form a layer of intelligent virtual network on the basis of the existing internet, the CDN system can redirect the request of a user to a service node closest to the user in real time according to network flow, connection of each node, load condition, distance to the user, response time and other comprehensive information. The method aims to enable the user to obtain the required content nearby, solve the problem of congestion of the Internet network and improve the response speed of the user for accessing the website.
The CDN server program is an application program that runs on a CDN node server and provides CDN services such as a domain name proxy and website content caching.
The configuration file is used for configuring a CDN server program to provide CDN services for domain names in what manner, and customized CDN services can be provided according to the needs of customers by the configuration file, and the more nodes of the CDN, the higher the requirements on availability and timeliness of configuration delivery are.
The global network environment is complex, the domestic mainstream operators are telecom, Unicom, Mobile, Pengpo, Length and breadth, etc., and the foreign countries mainly include SingTel (SingTel), Vodafone (Vodafone), American Mobile (America Movil), Spanish telecom (Telefonia), Bashi telecom (BhatiAirtel), Orange, Norway telecom (Telenor), Vippel telecom (Vimpelcol), Swedish telecom (Telasonera), etc. In the service of global configuration distribution, the service end and the node may cross countries and operators, and then the success rate and the timeliness of the node update configuration are greatly influenced by the network between the service end and the node.
There are mainly 2 modes of configuration distribution, PUSH and PULL. As the name suggests, PUSH is uniformly pushed to a node by a server, if a network from the server to the node is not connected or packet loss occurs, configuration may not be distributed, while a PULL manner is performed by the node to PULL configuration from the server, if a network from the node to the server has a problem, configuration may be pulled abnormally, so that the configuration cannot be updated, and the requirement of a user cannot be met.
Simple Proxy nodes can also cause network unreachability, if the network reachability is improved by increasing the number of Proxy servers, resources are wasted, manpower is needed for maintaining the Proxy servers, and the cost of whole configuration distribution is increased.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problems of low distribution efficiency and low success rate of the existing CDN configuration.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a CDN node accelerated configuration delivery method.A user side sends domain name CNAME analysis to a CDN node, the CDN node caches when cache resources exist, and returns to the source when the cache resources do not exist, the CDN node is provided with a private DNS module, and the CDN node sends a request to a user source station through the private DNS module.
Preferably, when the CDN node resolves the domain name, the domain name is resolved in the private DNS module, specifically, the request domain name is configured and resolved in the private DNS module to be the configuration management cluster IP.
Preferably, the CDN node sends the request to the user source station through the private DNS module, specifically, the CDN node directly sends the request to the local loopback address of the user side, and acceleration is performed through local CDN service of the user side.
Preferably, the user side sends a domain name CNAME resolution to the CDN node through a public network DNS.
Preferably, the method further includes that the CDN node sends an HTTPS request to the CDN, the requested domain name is configured on the CDN for acceleration, and the requested domain name is not cached.
Preferably, the number of the user terminals is one or more.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention discloses a CDN node accelerated configuration delivery method.A user side sends domain name CNAME analysis to a CDN node, the CDN node caches when cache resources exist, and returns to the source when the cache resources do not exist, the CDN node is provided with a private DNS module, and the CDN node sends a request to a user source station through the private DNS module. The method of the embodiment can avoid the problem of low efficiency caused by the fact that the existing configuration distribution adopts a public network DNS to return the source, and directly sends the request to the user source station through the private DNS module of the CDN node, so that the efficiency and the accuracy are improved.
Drawings
Fig. 1 is a schematic diagram of a system framework adopted by a CDN node accelerated configuration delivery method of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, in the method for accelerated configuration and delivery of a CDN node of this embodiment, a user sends a domain name CNAME resolution to the CDN node, the CDN node caches the domain name CNAME resolution when cache resources exist, and returns to the source when cache resources do not exist in the CDN node, the CDN node is provided with a private DNS module, and the CDN node sends a request to a user source station through the private DNS module. The method of the embodiment can avoid the problem of low efficiency caused by the fact that the existing configuration distribution adopts a public network DNS to return the source, and directly sends the request to the user source station through the private DNS module of the CDN node, so that the efficiency and the accuracy are improved.
When the CDN node resolves the domain name, the domain name is resolved in the private DNS module, and specifically, the request domain name is configured and resolved in the private DNS module to be a configuration management cluster IP.
The CDN node sends a request to the user source station through the private DNS module, specifically, the CDN node directly sends the request to a local loopback address of the user side, and acceleration is carried out through local CDN service of the user side.
And the user side sends domain name CNAME analysis to the CDN node through a public network DNS.
The method further comprises the step that the CDN node sends an HTTPS request to the CDN, the requested domain name is accelerated in configuration on the CDN, and the requested domain name is not cached. All configurations can be guaranteed to be up-to-date instead of cached, efficiency and accuracy are further improved, and one or a plurality of user sides are set. Different requests sent by different user sides are directly sent to a target server side through the CDN, services and a network can be isolated, the network problem and the safety problem do not need to be considered, and the quick response of the requests is realized.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A CDN node accelerated configuration distribution method is characterized in that: the method comprises the steps that a user side sends domain name CNAME analysis to a CDN node, the CDN node carries out caching when cache resources exist, source return is carried out when the cache resources do not exist in the CDN node, the CDN node is provided with a private DNS module, and the CDN node sends a request to a user source station through the private DNS module.
2. The method for accelerated configuration and delivery of CDN nodes as recited in claim 1, wherein: when the CDN node resolves the domain name, the domain name is resolved in the private DNS module, and specifically, the request domain name is configured and resolved in the private DNS module to be a configuration management cluster IP.
3. The method for accelerated configuration and delivery of CDN nodes as recited in claim 1, wherein: the CDN node sends a request to the user source station through the private DNS module, specifically, the CDN node directly sends the request to a local loopback address of the user side, and acceleration is carried out through local CDN service of the user side.
4. The method for accelerated configuration and delivery of CDN nodes as recited in claim 1, wherein: and the user side sends domain name CNAME analysis to the CDN node through a public network DNS.
5. The method for accelerated configuration and delivery of CDN nodes as recited in claim 1, wherein: the method further comprises the step that the CDN node sends an HTTPS request to the CDN, the requested domain name is accelerated in configuration on the CDN, and the requested domain name is not cached.
6. The method for accelerated configuration and delivery of CDN nodes as recited in claim 1, wherein: the number of the user sides is one or a plurality of the user sides.
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Cited By (3)
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CN114448787A (en) * | 2021-12-27 | 2022-05-06 | 天翼云科技有限公司 | CDN system channel configuration method, device, equipment and storage medium |
CN115174479A (en) * | 2022-07-19 | 2022-10-11 | 天翼云科技有限公司 | Flow control method and device |
CN115396302A (en) * | 2022-08-11 | 2022-11-25 | 臻乐尔科技服务(上海)有限公司 | Multi-node high-availability configuration distribution system and working method thereof |
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CN106790704A (en) * | 2017-02-27 | 2017-05-31 | 网宿科技股份有限公司 | A kind of method and system for accessing cloud storage file |
CN112422702A (en) * | 2020-08-10 | 2021-02-26 | 上海哔哩哔哩科技有限公司 | CDN back-to-source method, system and computer equipment |
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Patent Citations (3)
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CN106230942A (en) * | 2016-08-01 | 2016-12-14 | 中国联合网络通信集团有限公司 | A kind of method and system of time source access |
CN106790704A (en) * | 2017-02-27 | 2017-05-31 | 网宿科技股份有限公司 | A kind of method and system for accessing cloud storage file |
CN112422702A (en) * | 2020-08-10 | 2021-02-26 | 上海哔哩哔哩科技有限公司 | CDN back-to-source method, system and computer equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114448787A (en) * | 2021-12-27 | 2022-05-06 | 天翼云科技有限公司 | CDN system channel configuration method, device, equipment and storage medium |
CN115174479A (en) * | 2022-07-19 | 2022-10-11 | 天翼云科技有限公司 | Flow control method and device |
CN115174479B (en) * | 2022-07-19 | 2023-10-13 | 天翼云科技有限公司 | Flow control method and device |
CN115396302A (en) * | 2022-08-11 | 2022-11-25 | 臻乐尔科技服务(上海)有限公司 | Multi-node high-availability configuration distribution system and working method thereof |
CN115396302B (en) * | 2022-08-11 | 2024-01-30 | 臻乐尔科技服务(上海)有限公司 | Multi-node high-availability configuration distribution system and working method thereof |
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