CN105933400A - TCP acceleration method and system in content distribution network, and server - Google Patents
TCP acceleration method and system in content distribution network, and server Download PDFInfo
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- CN105933400A CN105933400A CN201610239445.4A CN201610239445A CN105933400A CN 105933400 A CN105933400 A CN 105933400A CN 201610239445 A CN201610239445 A CN 201610239445A CN 105933400 A CN105933400 A CN 105933400A
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- content information
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
-
- 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
-
- 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
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
Abstract
The invention provides a TCP acceleration method in a content distribution network, and the method comprises the steps: determining the access content information carried by a TCP access request according to the TCP access request from a client; generating a new TCP access request according to the access content information, wherein the new TCP access request at least comprises access content information and an access routing list, wherein the access content information is used for judging whether a CDN node receiving the new TCP access request stores a file corresponding to the access content information or not; and transmitting the new TCP access request to the CDN node according to the access routing list. Correspondingly, the invention also provides a system and a server therewith. After the access request from the client is received, full consideration is given to the content of the access request and a user goes to the nearest node which can provide the content of the access request, thereby guaranteeing that the access request of the user can be met and the optimal path can be provided for the user, improving the quality of the services, and guaranteeing the user experience.
Description
Technical field
It relates to Internet technical field, accelerate particularly to the TCP in a kind of content distributing network
Method, system and a kind of server.
Background technology
CDN (Content Delivery Network, content distributing network) is a kind of by each at network
On existing Internet basic one layer of intelligent virtual network that node server is constituted is placed at place.
CDN can in real time according to network traffics and the connection of each node, load state and to user away from
From with integrated informations such as response times, the request of user is re-directed on the service node that user is nearest,
Its objective is to select the content needed for user sends user of the node from user's relative close, alleviate
The situation of network congestion, improves the response speed of website.
But, in prior art, directly it is cached with content needed for user for what user sought relative close
Node is not often best to the network quality of user, i.e. only considered and can be supplied to described in user
The node of content and do not account for user's optimal path to this node, provide the user from being unable to
Excellent service, affects Consumer's Experience.
Summary of the invention
The disclosure provides the TCP accelerated method in a kind of content distributing network, system and a kind of server,
To solve above-mentioned technical problem.
According to an aspect of this disclosure, it is provided that the TCP accelerated method in a kind of content distributing network,
Including:
Access entrained in described TCP access request is determined according to the TCP access request from client
Content information；
New TCP access request, described new TCP access request is generated according to described access content information
Including at least described access content information and access routing table, described access content information is used for judging to receive
Whether the CDN node of described new TCP access request stores corresponding to described access content information
File；
Described new TCP access request is sent to CDN node according to described access routing table.
According to another aspect of the disclosure, it is provided that the TCP in a kind of content distributing network adds speed system,
Including:
Access content information and determine module, described for determining according to the TCP access request from client
Access content information entrained in TCP access request；
Access request generation module, for generating new TCP access request according to described access content information,
Described new TCP access request is including at least described access content information and accesses routing table, described access
Content information is for judging whether the CDN node receiving described new TCP access request has stored accordingly
File in described access content information；
Access request sending module, please for sending described new TCP access according to described access routing table
Ask to CDN node.
According to another aspect of the disclosure, it is provided that a kind of laid described in disclosure any embodiment
TCP in content distributing network adds the server of speed system.
TCP accelerated method, system and server in the content distributing network of disclosure embodiment,
Receive the content of the access request considering user after the access request of client and user to energy
The optimum path of the nearest node of described access request content is enough provided, thus i.e. ensure that and can expire
The access request of foot user provides again the access path of optimum to user, thus improves and provides the user
The quality of service, it is ensured that Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of disclosure embodiment, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is the disclosure
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment of the TCP accelerated method in content of this disclosure distribution network；
Fig. 2 is the flow process of another embodiment of the TCP accelerated method in content of this disclosure distribution network
Figure；
Fig. 3 is the flow process of the another embodiment of the TCP accelerated method in content of this disclosure distribution network
Figure；
Fig. 4 is the schematic diagram that the TCP in the content distributing network of the disclosure adds an embodiment of speed system；
Fig. 5 is the schematic diagram that the TCP in the content distributing network of the disclosure adds another embodiment of speed system；
Fig. 6 is the schematic diagram that the TCP in the content distributing network of the disclosure adds the another embodiment of speed system.
Specific embodiment
For making the purpose of disclosure embodiment, technical scheme and advantage clearer, below in conjunction with these public affairs
Open the accompanying drawing in embodiment, the technical scheme in disclosure embodiment be clearly and completely described,
Obviously, described embodiment is a part of embodiment of the disclosure rather than whole embodiments.Based on
Embodiment in the disclosure, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of disclosure protection.
It should be noted that in the case of not conflicting, the embodiment in the application and the spy in embodiment
Levy and can be mutually combined.
The disclosure can be used in numerous general or special purpose computing system environment or configuration.Such as: Ge Renji
Calculation machine, server computer, handheld device or portable set, laptop device, multicomputer system,
System based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-sized calculating
Machine, mainframe computer, the distributed computing environment including any of the above system or equipment etc..
The disclosure can described in the general context of computer executable instructions,
Such as program module.Usually, program module includes performing particular task or realizing specific abstract data class
The routine of type, program, object, assembly, data structure etc..Can also be in a distributed computing environment
Put into practice the disclosure, in these distributed computing environment, by by communication network connected remotely
Reason equipment performs task.In a distributed computing environment, program module may be located at and includes storage device
In interior local and remote computer-readable storage medium.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And, art
Language " includes ", " comprising ", not only include those key elements, but also other including being not expressly set out wanted
Element, or also include the key element intrinsic for this process, method, article or equipment.Do not having
In the case of more restrictions, statement " including ... " key element limited, it is not excluded that including described wanting
Process, method, article or the equipment of element there is also other identical element.
As it is shown in figure 1, the TCP accelerated method in the content distributing network of an embodiment of the disclosure, bag
Include:
S11, basis determine visit entrained in TCP access request from the TCP access request of client
Ask content information；
S12, the TCP access request new according to accessing content information generation, new TCP access request is extremely
Comprise access content information less and access routing table, accessing content information for judging that receiving new TCP visits
Ask whether the CDN node of request stores corresponding to the file accessing content information；
S13, send new TCP access request to CDN node according to accessing routing table.
In this enforcement, receiving the access request considering user after the access request of client
Content and user to the optimum path of the nearest node that can provide described access request content, from
And i.e. ensure that disclosure satisfy that the access request of user provide optimum access path to user, thus
Improve the quality of the service provided the user, it is ensured that Consumer's Experience.
As in figure 2 it is shown, in TCP accelerated method in the content distributing network of an embodiment of the disclosure,
Include according to accessing the new TCP access request of content information generation:
S21, determine that storage has corresponding to the CDN of file accessing content information according to accessing content information
Source node；
S22, determine that client is to the shortest path of CDN source node；
S23, IP address based on all CDN node in shortest path generate routing table；
S24, generate new TCP access request according at least to accessing content information and routing table.
In the present embodiment, directly determine user to CDN source node shortest path, and by this path
The IP address of all of CDN node is stored as routing table, finally according to accessing content information and routing table
Generate new TCP access request for user access storage have access content node (CDN node or
Person's CDN source node)；The CDN node comprised on shortest path certainly exists and has been cached with
The caching CDN node of content needed for user, and user is shortest path to the path of CDN source node,
So the path of the caching CDN node that user is cached with required content to this is inevitable is also shortest path, because of
This, and not necessarily this caching CDN node directly sends required content for user, it may be possible to pass through
CDN node on shortest path provides the user service, because this is as the CDN of a server
Node transmits data for user and must be provided the user by caching CDN node than the direct of distance
The quality of service to be got well, thus reaches to promote the purpose of Consumer's Experience；Since additionally, there is caching CDN
Node, is still to the IP address of all nodes on the whole path of CDN source node to be stored as route
The reason of table is, it is contemplated that it is whole that caching CDN node may not have needed for total caching user
The situation of individual file, when this happens, still can be according to described routing table Hui Yuan, to obtain use
Access content needed for family.
As it is shown on figure 3, in TCP accelerated method in the content distributing network of an embodiment of the disclosure,
Include to CDN node according to accessing the new TCP access request of routing table transmission:
S31, from accessing routing table the IP address reading CDN node；
S32, the IP address of CDN node is deleted from accessing routing table；
Access request is forwarded to CDN node by S33, IP address according to CDN node.
In the present embodiment, by reading the IP address of next CDN node that will be forwarded to, rear the most vertical
I.e. delete when the method for this IP address makes to forward each time new access request and can directly read route
First IP address in table, and need not carry out unnecessary calculating and compare (if repeating process
In, from start to finish routing table does not the most change, all must be by counting when reading next CDN node the most each time
Calculate the IP address reading next CDN node described from whole routing table, for example, it is desired to record is next
Read from the beginning of the n-th byte, so should count and calculate again, cause the waste of room and time),
And have only to from the gauge outfit of routing table suitable when turning to next CDN node by the process of the present embodiment
Sequence reads first IP address, not only saves time and space, it is thus also avoided that owing to calculating and meter
The mistake that number may bring, such as, jump directly to farther node or jump back to a node etc..
In TCP accelerated method in the content distributing network of an embodiment of the disclosure, by shortest path
In the IP address of all CDN node be stored as routing table and include:
The IP address of the CDN node in described shortest path based on client to CDN source node direction
Storage generates described routing table.
In the present embodiment, by by all CDN node IP sequence of addresses in shortest path in queue,
Further simplify the operation forwarding new access request to read IP address each time, because the feature of queue is just
It is, can only write from one end of queue, read from the other end of queue and delete.
Disclosure embodiment can be passed through hardware processor (hardware processor) realize being correlated with
Functional module.
It should be noted that for aforesaid each method embodiment, in order to be briefly described, therefore by its all table
Stating and merge for a series of action, but those skilled in the art should know, the disclosure is by being retouched
The restriction of the sequence of movement stated because according to the disclosure, some step can use other orders or with
Shi Jinhang.Secondly, those skilled in the art also should know, embodiment described in this description all belongs to
In preferred embodiment, necessary to involved action and the module not necessarily disclosure.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.
As shown in Figure 4, the TCP in the content distributing network of an embodiment of the disclosure adds speed system,
Including:
Access content information and determine module, for determining TCP according to the TCP access request from client
Access content information entrained in access request；
Access request generation module, for the TCP access request new according to accessing content information generation, newly
TCP access request including at least access content information and access routing table, access content information be used for sentencing
Whether the CDN node surely receiving new TCP access request stores corresponding to the literary composition accessing content information
Part；
Access request sending module, for the TCP access request new according to access routing table transmission to CDN
Node.
In this enforcement, receiving the access request considering user after the access request of client
Content and user to the optimum path of the nearest node that can provide described access request content, from
And i.e. ensure that disclosure satisfy that the access request of user provide optimum access path to user, thus
Improve the quality of the service provided the user, it is ensured that Consumer's Experience.
As it is shown in figure 5, the TCP in the content distributing network of an embodiment of the disclosure adds in speed system,
Access request generation module includes:
Source node determines unit, for determining that storage has corresponding in described access according to access content information
The CDN source node of the file of appearance information；
Shortest path determines unit, for determining that client is to the shortest path of CDN source node；
Routing table signal generating unit, generates for IP addresses based on all CDN node in shortest path
Routing table；
New access request signal generating unit, for generating new according at least to access content information and routing table
TCP access request.
In the present embodiment, directly determine user to CDN source node shortest path, and by this path
The IP address of all of CDN node is stored as routing table, finally according to accessing content information and routing table
Generate new TCP access request for user access storage have access content node (CDN node or
Person's CDN source node)；The CDN node comprised on shortest path certainly exists and has been cached with
The caching CDN node of content needed for user, and user is shortest path to the path of CDN source node,
So the path of the caching CDN node that user is cached with required content to this is inevitable is also shortest path, because of
This, and not necessarily this caching CDN node directly sends required content for user, it may be possible to pass through
CDN node on shortest path provides the user service, because this is as the CDN of a server
Node transmits data for user and must be provided the user by caching CDN node than the direct of distance
The quality of service to be got well, thus reaches to promote the purpose of Consumer's Experience；Since additionally, there is caching CDN
Node, is still to the IP address of all nodes on the whole path of CDN source node to be stored as route
The reason of table is, it is contemplated that it is whole that caching CDN node may not have needed for total caching user
The situation of individual file, when this happens, still can be according to described routing table Hui Yuan, to obtain use
Access content needed for family.
As shown in Figure 6, the TCP in the content distributing network of an embodiment of the disclosure adds in speed system,
Access request sending module includes:
Address reading unit, for from accessing the IP address reading CDN node routing table；
Access routing table update unit, for being deleted from access routing table the IP address of CDN node；
Request transmitting unit, sends access request to CDN joint for the IP address according to CDN node
Point.
In the present embodiment, by reading the IP address of next CDN node that will be forwarded to, rear the most vertical
I.e. delete when the method for this IP address makes to forward each time new access request and can directly read route
First IP address in table, and need not carry out unnecessary calculating and compare (if repeating process
In, from start to finish routing table does not the most change, all must be by counting when reading next CDN node the most each time
Calculate the IP address reading next CDN node described from whole routing table, for example, it is desired to record is next
Read from the beginning of the n-th byte, so should count and calculate again, cause the waste of room and time),
And have only to from the gauge outfit of routing table suitable when turning to next CDN node by the process of the present embodiment
Sequence reads first IP address, not only saves time and space, it is thus also avoided that owing to calculating and meter
The mistake that number may bring, such as, jump directly to farther node or jump back to a node etc..
TCP in the content distributing network of an embodiment of the disclosure adds in speed system, by described the shortest
The IP address of all CDN node in path is stored as routing table and includes:
The IP address of the CDN node in shortest path based on client to CDN source node direction generates
Described routing table.
In the present embodiment, by by all CDN node IP sequence of addresses in shortest path in queue,
Further simplify the operation forwarding new access request to read IP address each time, because the feature of queue is just
It is, can only write from one end of queue, read from the other end of queue and delete.
Additionally, embodiment of the disclosure and also provide for a kind of server, this server is laid with appointing of the disclosure
TCP in the content distributing network of one embodiment adds speed system, and the server in the present embodiment can be interior
Control centre in content distributing network.
Embodiment of the method described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
By the description of above embodiment, those skilled in the art is it can be understood that arrive each enforcement
Example can add the mode of required general hardware platform by software and realize, naturally it is also possible to pass through hardware.
Based on such understanding, the part that prior art is contributed by technique scheme the most in other words can
Embodying with the form with software product, this computer software product can be stored in computer-readable and deposit
In storage media, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a calculating
Machine equipment (can be personal computer, server, or the network equipment etc.) perform each embodiment or
The method described in some part of person's embodiment.
Those skilled in the art it should be appreciated that embodiment of the disclosure the method that can be provided as, system or
Computer program.Therefore, the disclosure can use complete hardware embodiment, complete software implementation,
Or combine the form of embodiment in terms of software and hardware.And, the disclosure can use one or more
The computer-usable storage medium wherein including computer usable program code (includes but not limited to disk
Memorizer and optical memory etc.) form of the upper computer program implemented.
The disclosure is with reference to method, equipment (system) and the computer program product according to disclosure embodiment
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart
And/or flow process in each flow process in block diagram and/or square frame and flow chart and/or block diagram and
/ or the combination of square frame.Can provide these computer program instructions to general purpose computer, special-purpose computer,
The processor of Embedded Processor or other programmable data processing device is to produce a machine so that logical
The instruction of the processor execution crossing computer or other programmable data processing device produces for realizing at stream
The function specified in one flow process of journey figure or multiple flow process and/or one square frame of block diagram or multiple square frame
Device.
These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
In instruction produce and include the manufacture of command device, this command device realize in one flow process of flow chart or
The function specified in multiple flow processs and/or one square frame of block diagram or multiple square frame.These computer programs
Instruction also can be loaded in computer or other programmable data processing device so that computer or other
On programmable device, execution sequence of operations step is to produce computer implemented process, thus at computer
Or the instruction performed on other programmable devices provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Last it is noted that above example is only in order to illustrate the technical scheme of the disclosure, rather than to it
Limit；Although the disclosure being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of the disclosure each embodiment technical scheme.
Claims (9)
1. the TCP accelerated method in content distributing network, including:
Access entrained in described TCP access request is determined according to the TCP access request from client
Content information；
New TCP access request, described new TCP access request is generated according to described access content information
Including at least described access content information and access routing table, described access content information is used for judging to receive
Whether the CDN node of described new TCP access request stores corresponding to described access content information
File；
Described new TCP access request is sent to CDN node according to described access routing table.
Method the most according to claim 1, wherein, described according to the generation of described access content information
New TCP access request includes:
Determine that storage has the file corresponding to described access content information according to described access content information
CDN source node；
Determine the shortest path of described client extremely described CDN source node；
IP addresses based on all CDN node in described shortest path generate routing table；
Described new TCP access request is generated according at least to described access content information and described routing table.
Method the most according to claim 1, wherein, described according to described access routing table send institute
State new TCP access request to include to CDN node:
The IP address of described CDN node is read from described access routing table；
The IP address of described CDN node is deleted from described access routing table；
Described access request is forwarded to described CDN node by the IP address according to described CDN node.
The most according to the method in claim 2 or 3, wherein, described by the institute in described shortest path
The IP address having CDN node is stored as routing table and includes:
Save based on the CDN in along described client to the described shortest path in described CDN source node direction
The IP address of point generates described routing table.
5. the TCP in content distributing network adds a speed system, including:
Access content information and determine module, described for determining according to the TCP access request from client
Access content information entrained in TCP access request；
Access request generation module, for generating new TCP access request according to described access content information,
Described new TCP access request is including at least described access content information and accesses routing table, described access
Content information is for judging whether the CDN node receiving described new TCP access request has stored accordingly
File in described access content information；
Access request sending module, please for sending described new TCP access according to described access routing table
Ask to CDN node.
System the most according to claim 5, wherein, described access request generation module includes:
Source node determines unit, for determining that storage has corresponding to described visit according to described access content information
Ask the CDN source node of the file of content information；
Shortest path determines unit, for determining the shortest path of described client extremely described CDN source node
Footpath；
Routing table signal generating unit, for IP addresses based on all CDN node in described shortest path
It is generated as routing table；
New access request signal generating unit, for raw according at least to described access content information and described routing table
Become described new TCP access request.
System the most according to claim 5, wherein, described access request sending module includes:
Address reading unit, for reading the IP address of described CDN node from described access routing table；
Access routing table update unit, for the IP address of described CDN node is accessed route from described
Table is deleted；
Request transmitting unit, for sending described access request according to the IP address of described CDN node
To described CDN node.
8. according to the system described in any one of claim 5-7, wherein, described by described shortest path
The IP address of all CDN node be stored as routing table and include:
Save based on the CDN in along described client to the described shortest path in described CDN source node direction
The IP address of point generates described routing table.
9. a server, described server is laid with the system described in any one of claim 5-8.
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| CN108124504A (en) * | 2017-12-12 | 2018-06-05 | 深圳前海达闼云端智能科技有限公司 | TFO transmission methods, proxy server and system |
| CN108124504B (en) * | 2017-12-12 | 2021-05-07 | 达闼机器人有限公司 | TFO transmission method, proxy server and system |
| CN110971640A (en) * | 2018-09-30 | 2020-04-07 | 北京国双科技有限公司 | CDN acceleration service distribution method and device |
| CN110971640B (en) * | 2018-09-30 | 2022-10-11 | 北京国双科技有限公司 | CDN acceleration service distribution method and device |
| CN113158109A (en) * | 2021-04-28 | 2021-07-23 | 郑州悉知信息科技股份有限公司 | Information processing method and server node |
| CN113158109B (en) * | 2021-04-28 | 2023-08-29 | 郑州悉知信息科技股份有限公司 | Information processing method and server node |
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