CN113179187B - CDN node acceleration configuration distribution method - Google Patents
CDN node acceleration configuration distribution method Download PDFInfo
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- CN113179187B CN113179187B CN202110567481.4A CN202110567481A CN113179187B CN 113179187 B CN113179187 B CN 113179187B CN 202110567481 A CN202110567481 A CN 202110567481A CN 113179187 B CN113179187 B CN 113179187B
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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)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
According to the CDN node acceleration configuration distribution method, the user side sends the domain name CNAME to analyze to the CDN node, caching is conducted when the CDN node has cache resources, source returning is conducted when the CDN node does not have the cache resources, the CDN node is provided with the private DNS module, and the CDN node sends a request to the 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 conventional configuration distribution adopts the public network DNS to carry out source returning, and the private DNS module of the CDN node directly sends the request to the user source station, so that the efficiency and accuracy are improved.
Description
Technical Field
The invention belongs to the technical field of computer networks, and particularly relates to a CDN node acceleration configuration distribution method.
Background
The full name of CDN is contentdeiverynetwork, i.e., the content delivery network. The basic idea is to avoid the bottleneck and link on the internet which possibly affects the data transmission speed and stability as much as possible, so that the content transmission is faster and more stable. Through a layer of intelligent virtual network formed by node servers placed everywhere in the network and based on the existing internet, the CDN system can redirect the user's request to the service node nearest to the user in real time according to the network flow and the comprehensive information of the connection of each node, the load condition, the distance to the user, the response time and the like. 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 running on a CDN node server and providing CDN services such as domain name proxy, website content caching, etc.
The configuration file is used for configuring a CDN server program, and provides CDN service for domain names in what mode, and customized CDN service according to the requirements of clients can be provided through the configuration file, so that the more nodes of the CDN, the higher the requirements on the usability and timeliness of configuration distribution.
The global network environment is complex, and the main operators in China are telecom, unicom, mobile, peng doctor, length, square width and the like, and foreign mainly include Singapore telecom (SingTel), vodafone (Vodafone), american mobile (American movil), spanish telecom (Telefonica), butty telecom (BhartiAirtel), orange, norway telecom (Telenor), vimpel telecom (Vimpel com), swedish telecom (Teliasonera) and the like. In the global configuration distribution service, the service end and the node may cross the country and cross operators, so the success rate and the time of updating the configuration of the node are greatly affected by the network between the service end and the node.
There are mainly 2 modes of configuration distribution, PUSH and PULL. As the name implies, PUSH is uniformly pushed to the node by the server, if the network from the server to the node is not available or the packet is lost, the configuration may not be distributed, but the PULL mode is actively pulled to the server by the node, if the network from the node to the server has a problem, the PULL configuration may be abnormal, so that the configuration cannot be updated, and the requirement of the user cannot be met.
Simple Proxy nodes can also render the network unreachable, which can waste resources if the number of Proxy servers is increased to increase network reachability, and require human labor to maintain the Proxy servers, increasing the cost of the overall configuration distribution.
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 conventional CDN configuration.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
according to the CDN node acceleration configuration distribution method, the user side sends the domain name CNAME to analyze to the CDN node, caching is conducted when the CDN node has cache resources, source returning is conducted when the CDN node does not have the cache resources, the CDN node is provided with the private DNS module, and the CDN node sends a request to the user source station through the private DNS module.
Preferably, when the CDN node resolves the domain name, the domain name resolves in the private DNS module, specifically, the configuration resolving of the request domain name in the private DNS module is configured and managed as the configuration management cluster IP.
Preferably, the CDN node sends a request to the user source station through a private DNS module, specifically, the CDN node directly sends the request to a local loopback address of the user side, and accelerates through a local CDN service of the user side.
Preferably, the user side sends the domain name CNAME to the CDN node through the public network DNS.
Preferably, the method further includes the CDN node sending an HTTPS request to the CDN, the requested domain name being configured to be accelerated on the CDN and the requested domain name not being cached.
Preferably, the number of the user terminals is one or a plurality of.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the CDN node acceleration configuration distribution method, the user side sends the domain name CNAME to analyze to the CDN node, caching is conducted when the CDN node has cache resources, source returning is conducted when the CDN node does not have the cache resources, the CDN node is provided with the private DNS module, and the CDN node sends a request to the 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 conventional configuration distribution adopts the public network DNS to carry out source returning, and the private DNS module of the CDN node directly sends the request to the user source station, so that the efficiency and accuracy are improved.
Drawings
Fig. 1 is a schematic diagram of a system framework adopted by a CDN node acceleration configuration delivery method of the present invention.
Detailed Description
In order that the invention may be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the invention may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on 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 are used herein 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; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, in the method for accelerating configuration and delivery of a CDN node in this embodiment, a user terminal sends a domain name CNAME to the CDN node, the CDN node caches when there are cache resources, and returns to a source when there are no cache resources in the CDN node, and the CDN node is provided with a private DNS module and 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 conventional configuration distribution adopts the public network DNS to carry out source returning, and the private DNS module of the CDN node directly sends the request to the user source station, so that the efficiency and accuracy are improved.
When the CDN node analyzes the domain name, the domain name is analyzed in the private DNS module, and specifically, the request domain name is configured and analyzed in the private DNS module to be configured and managed as the 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 the local loopback address of the user terminal, and the acceleration is carried out through the local CDN service of the user terminal.
And the user side sends the domain name CNAME to analyze to CDN nodes through a public network DNS.
The method further comprises the steps that the CDN node sends an HTTPS request to the CDN, the requested domain name is configured to be accelerated on the CDN, and the requested domain name is not cached. All configurations can be guaranteed to be up-to-date rather than cached, efficiency and accuracy are further improved, and the number of the user terminals is one or a plurality of. Different requests sent by different user terminals are directly sent to a target server terminal through the CDN, so that the service and the network can be isolated, the network problem is not needed to be considered, the safety problem is avoided, and the quick response of the request is realized.
The foregoing examples merely illustrate certain embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the invention, all of which fall within the scope of protection of the invention; accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (2)
1. A CDN node acceleration configuration distribution method is characterized in that:
the method comprises the steps that a user terminal sends a domain name CNAME to analyze to a CDN node, caching is conducted when the CDN node has cache resources, a source is returned when the CDN node does not have the cache resources, a private DNS module is arranged on the CDN node, and the CDN node sends a request to a user source station through the private DNS module;
when the CDN node analyzes the domain name, the domain name is analyzed in a private DNS module, and specifically, the request domain name is configured and analyzed in the private DNS module to be configured and managed as a cluster IP;
the CDN node sends a request to a user source station through a private DNS module, specifically, the CDN node directly sends the request to a local loopback address of a user, and the acceleration is carried out through local CDN service of the user;
and the user side sends the domain name CNAME to analyze to CDN nodes through a public network DNS.
2. The CDN node acceleration configuration delivery method of claim 1, wherein:
the number of the user terminals is one or a plurality of.
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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 |
| CN115174479B (en) * | 2022-07-19 | 2023-10-13 | 天翼云科技有限公司 | Flow control method and device |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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