CN1222888C - Cache controlling method of proxy server according to white list - Google Patents
Cache controlling method of proxy server according to white list Download PDFInfo
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- CN1222888C CN1222888C CN 02149457 CN02149457A CN1222888C CN 1222888 C CN1222888 C CN 1222888C CN 02149457 CN02149457 CN 02149457 CN 02149457 A CN02149457 A CN 02149457A CN 1222888 C CN1222888 C CN 1222888C
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Abstract
The present invention provides a high-speed buffer control method by which the high-speed buffer state of a proxy server can be synchronous with the using state of a client computer; the high-speed buffer efficiency is improved independently of the time quantum. Whether a URL required by the user of the client computer logs on to a white list is judged by the high-speed buffer control method of a proxy server, wherein the proxy server is used for forwarding data among more than one client computer which is connected with a communication network, and a data server which is connected with a communication network except the communication network; besides, the data of the URL is used as an object processed by high-speed buffer under the condition that the URL is logged on.
Description
Technical field
The present invention relates to the cache method of the data on the server that carries out data forwarding, relate in particular to the cache control method of the state synchronized of the user mode that can make client computer and high-speed cache.
Background technology
In the past, in the server of forwarding, the server with data cache function is arranged to the visit of the Internet.Be cache server, the copy of the data that servers such as its storage networking server are managed, the server of replacement user capture promptly provides the webserver of data.For example in the acting server (Proxy Server) between the communication network that is connected in in-house LAN (LAN (Local Area Network)) such as enterprise and the Internet etc., with in the tissue someone with reference to web storage certain during, when other user capture same page, with the webpage that sends on the cache server.
Have as mentioned above in the server of caching function, past, total data is carried out high-speed cache as cache object, because when the time above the maximum of the cache memory space of storage medium, to unconditionally cover later data, therefore the data that are capped are by the data that unconditionally are rewritten as other.In addition, used the cache method of index also identical, because the total data of transmitting becomes the object of rewriting, even therefore become the different data of data content of cache object, under the identical situation of index, also by the data that unconditionally are rewritten as other.
As mentioned above, in the high speed caching servers such as acting server of transmitting data, because total data is handled as cache object, cache memory space is used the low data of rate occupies, and has the problem that does not have space and data to be capped.In addition, in the cache method that uses clicking rate, though can see the raising of cache efficient, owing to clicking rate changes in time, so the problem that exists cache efficient influenced by the access frequency of time period and same data.
Summary of the invention
The present invention makes in view of above-mentioned situation, the objective of the invention is: a kind of cache control method is provided, it can make the user mode of the state of the high-speed cache on the acting server and client computer synchronous, and irrespectively improves cache efficient with the time period.
The invention provides a kind of cache control method of the acting server according to white list (white list), this cache control method is in the more than one client computer that is connected in communication network and is connected in cache control method in the acting server that carries out data forwarding between the data server of the communication network beyond the above-mentioned communication network, above-mentioned white list is to have registered user individual or the special group often tabulation of the useful URL(uniform resource locator) (URL) of use separately of using above-mentioned client computer, it is characterized in that, whether judgement is registered in white list by the URL that the user asked of above-mentioned client computer, under the situation that above-mentioned URL is registered, the high-speed cache of these data handled the data of above-mentioned URL and control as cache object by above-mentioned acting server.
And above-mentioned white list comprises the tabulation that web browser is managed and/or is used for the tabulation of the special software management of special-purpose; Be provided with above-mentioned white list in above-mentioned client-side, above-mentioned client-side carry out above-mentioned judgement and according to judged result will indicate or not the high-speed cache identifier (ID) of high-speed cache be set in the HTTP(Hypertext Transport Protocol) request and send, above-mentioned acting server is according to being set in cache ID identification in the above-mentioned HTTP request whether as cache object and control the high-speed cache of these data; The above-mentioned white list of storage on the storage medium of above-mentioned acting server side, above-mentioned acting server carries out above-mentioned judgement and controls the high-speed cache of these data; As the communication network that above-mentioned client computer connected is Local Area Network or the in-house network that above-mentioned data server connects, and the communication network that above-mentioned data server connected is LAN, in-house network or the Internet; Thus, reach better effect respectively.
Description of drawings
Fig. 1 is the synoptic diagram that expression relates to the general structure example of proxy-server system of the present invention.
Fig. 2 is the figure of the interface example between explanation client computer and the acting server.
Fig. 3 is the process flow diagram that explanation relates to the cache control method according to white list of the present invention.
Embodiment
Method as the website on the access the Internet, because each Input Address is cumbersome, user URL (Uniform Resource Locators) that registration is often used in menu list that browser is used (for example the Netscape Navigator of the Internet Explorer of Microsoft " collection " and NetscapeCommunications company " bookmark " etc.) and the useful general employing of URL visit its webpage with selection URL from this menu list method.In addition, recently, developing in a large number and be implemented in school instruction with and the support software used of medical information network etc., use communication networks such as LAN and the Internet the read useful data and the special software of data transmit-receive for the object support with the special group.This be in the special software of purpose with the special-purpose, proposed for example to have the software of following function: use the tabulation of the URL that has registered special object to visit this data server, send useful data to this client computer, and can easily engage in the dialogue etc. by the data transmit-receive between the client computer in special group.
Among the present invention, by the menu that will use as above-mentioned browser and tabulation of special software etc., promptly registered the tabulation of the useful URL that often uses separately of user individual and special group and the control that the tabulation (hereinafter referred to as " white list ") that is used for the special software management of special-purpose is used for high-speed cache, can make the user mode of cached state on the acting server and client computer synchronous.In the present invention promptly, standard as the high-speed cache judgement of carrying out data, method except the past, also use white list, when as the object of high-speed cache clicking rate being improved the useful data of often using separately of user individual and special group, the off-capacity of cache memory space is occupied and taken place to the data of avoiding cache memory space only to be used by specific individual.In the preferred embodiment of the present invention, because the control function of high-speed cache adds with plug-in card program (plug-in) (adding software) with above-mentioned browser and special software interlock, when the visiting demand of the URL that is registered in white list, automatically carry out the high-speed cache of data.
Below, explain preferred embodiment of the present invention according to accompanying drawing.
Fig. 1 is the synoptic diagram that expression relates to the general structure example of proxy-server system of the present invention.Can connect from a plurality of client computer under the situation of the Internet, for example, as shown in Figure 1, in the following way: when each client computer 10 connects the LAN1 of Ethernets etc., between LAN1 and the Internet 2, connect acting server 20, carry out the data transmit-receive between data server such as the webserver and each client computer 10 via acting server 20 with security function and caching function.In the present embodiment, client computer 10 is provided with " white list " 3 of the useful URL that often uses separately that has registered user individual and special group separately, in the acting server 20 of transmitting data, the data that are registered in the URL of white list 3 are controlled as cache object.If the computer network that each client computer 10 connected is network, the network in the family, the network that has connected teacher and each student's personal computer, medical information network in the enterprise etc. with the client computer of special group is the communication network of the LAN of object and in-house network etc., then owing to use the frequency height of same URL, so white list can apply to high-speed cache control more effectively.
Fig. 2 has represented the example about the interface of the control of the high-speed cache between client computer 10 and the acting server 20.Have client computer 10 sides under the situation of system architecture of white list 3, the setting regions that will be used to discern the identifier (hereinafter referred to as cache ID) that whether carries out high-speed cache for example is set in the head of communication protocol, as want/do not want the interface of high-speed cache according to this cache ID notification agent server 20 sides.For example, if communication protocol is HTTP (Hyper text Transfer Protocol), in the setting regions of the extended head setting high-speed buffer memory ID of http protocol head.Then, have with reference to the cache ID set-up function of white list 3 client computer 10 sides at this zone of extended head setting high-speed buffer memory ID, the HTTP request of the cache ID that sets is sent to acting server 20 sides by client computer 10 sides, acting server 20 is instructed the mode of whether data of this URL being carried out high-speed cache.
The set-up function of above-mentioned cache ID is to realize by for example add plug-in card program (adding software) in the software (above-mentioned browser and special software etc.) that sends the HTTP request.On the other hand, acting server 20 sides, designed the following step: when judging whether the data of this visit URL are carried out the step of high-speed cache and be set with cache ID according to the cache ID of the head of communication protocol, the step that the data of this URL are handled as cache object.These acting servers 20 sides' step (function) is to assign to realize by the high-speed cache control part that the high-speed cache control of data is carried out in adding.
With reference to the process flow diagram of Fig. 3, the action example of the proxy-server system of having used the cache control method by white list of the present invention in above-mentioned structure is described.And, judged the high-speed cache control of the acting server that cache object is later, with kind of the storage time on clicking rate, update date, the high-speed cache, size of data, high-speed cache medium etc. is identical as the control method in the past of key element, in this description will be omitted.
When having specified the URL (hereinafter referred to as " visit URL ") of visit destination according to user or special software, client computer 10 will judge whether this visit URL is registered in white list (step S1).Then, be registered under the situation of white list, set the cache ID that high-speed cache (or wanting/do not want high-speed cache) carried out in expression, send the visiting demand (HTTP request and visit URL) (step S2) of obtaining data in the protocol headers of HTTP request.Receive the acting server 20 of visiting demand, inspection is had or not cache ID in the protocol headers of HTTP request (step S3 S4), has under the situation of cache ID, has or not the data (step S5) of visiting URL with judging in high-speed cache.
In high-speed cache, have under the data conditions of visit URL, from high-speed cache, obtain these data (step S6), send to and require Source client 10 (step S7).On the other hand, in above-mentioned steps S5, in high-speed cache, do not visit under the data conditions of URL, setting data is as the mark (step S8) of cache object, obtain the data (step S9) of visit URL from the Internet, among the above-mentioned steps S4, in protocol headers, do not have to transfer to above-mentioned steps S9 under the situation of cache ID, obtain the data of visit URL from the Internet.Then, that judges cache object marks whether to be set (step S10), under the situation that mark is not set, transfers to above-mentioned steps S7, and the data that will obtain from the Internet send to and require Source client 10, finish the acquisition processing of request to these data.
In addition, among the step S10, set under the situation of mark of cached data, promptly in the visiting demand cache ID has been arranged, and in high-speed cache, do not visit under the situation of URL, the data that obtain from the Internet will be stored, write high speed buffer memory usefulness storage mediums 21 (step S11) such as magnetic disk media, transfer to above-mentioned steps S6, from high-speed cache, obtain the data of visit URL, send data to and require Source client 10, finish acquisition processing of request these data.
Below, other embodiment according to the cache control method of white list is described.
In the above-mentioned embodiment, be that example is illustrated with the situation that has been provided with white list in client-side, but also can be provided with white list in acting server side.And, also can be provided with white list in client-side and acting server side both sides, if visit URL is registered on arbitrary white list, then become cache object.In addition, also can will be registered in the URL of white list according to user's appointment optionally as cache object.And, being applied to compare with the mode that the client computer that is equipped with white list in each client computer manages respectively under the situation of in-house client server system of school and enterprise etc., the mode that is provided with white list as the shared data of each client computer is better.But even be provided with as shared data under the situation of server at white list, white list also can be more than one, also can prepare and register by groups such as different purposes and different departments.
Below, to being provided with white list in acting server side, describe with reference to the method for the high-speed cache of its white list control data.
Above-mentioned embodiment, promptly be to be provided with in the mode of white list client computer 10 sides, by the head setting high-speed buffer memory ID of client computer 10 in communication protocol, represented to want/do not want the example of high-speed cache by cache ID instruction acting server 20, but be provided with in the mode of white list acting server 20 sides, unnecessary softwares such as browser to client computer 10 sides append special function, can directly use the software of selling on the market.Below, acting server 20 sides' action example is described.And, the control of high-speed cache, since identical with the processing of step S5～S11 of above-mentioned Fig. 3, explanation omitted.
From the acting server of client-side reception visiting demand, judge whether this URL (address of visit destination) is registered in white list, just appends this judgment processing on acting server, and later processing is identical with above-mentioned embodiment.That is, visit URL is registered under the situation of white list, and the data of this URL are carried out the control of high-speed cache as cache object, is registered in the absence of white list, obtains the data of visit URL from the Internet and sends data to the client computer that requires the source.So, also can be provided with white list in acting server side and control the high-speed cache of the data of this URL.
And, in the above-mentioned embodiment, as the server of having used cache control method of the present invention, with the acting server is that example is illustrated, but be not limited only to acting server, the also computing machine of gateway server and node (Node) usefulness etc. is so long as in the more than one client computer that is connected in communication network with connect the server of transmitting data between the data server of the communication network beyond this communication network and get final product.In addition, the data server of request destination is not limited only to the webserver on the Internet, also can be the data server that is connected in the Internet communication network (LAN, in-house network, EXTRA net etc.) in addition.
According to the present invention, because with reference to the user individual who has registered the use client computer and the useful URL white list that often uses separately of special group, the URL that is registered in this white list is handled as cache object, can make the user mode of cached state and client computer synchronous.Therefore, can irrespectively improve cache efficient, can reduce simultaneously that the space is occupied, do not had to cache memory space by low utilization rate data and situation that data are capped with the time period.
Claims (5)
1. cache control method according to the acting server of white list, this cache control method is in the more than one client computer that is connected in communication network and is connected in cache control method in the acting server that carries out data forwarding between the data server of the communication network beyond the above-mentioned communication network, above-mentioned white list is to have registered user individual or the special group often tabulation of the useful URL(uniform resource locator) of use separately of using above-mentioned client computer, it is characterized in that, whether judgement is registered in white list by the URL(uniform resource locator) that the user asked of above-mentioned client computer, under the situation that above-mentioned URL(uniform resource locator) is registered, the high-speed cache of these data handled the data of above-mentioned URL(uniform resource locator) and control as cache object by above-mentioned acting server.
2. the cache control method of the acting server according to white list as claimed in claim 1 is characterized in that, above-mentioned white list comprises the tabulation that web browser is managed and/or is used for the tabulation that the special software of special-purpose is managed.
3. the cache control method of the acting server according to white list as claimed in claim 1, it is characterized in that, be provided with above-mentioned white list in above-mentioned client-side, above-mentioned client-side is carried out above-mentioned judgement, and according to judged result will indicate or not the high-speed cache identifier of high-speed cache be set in the hypertext transfer protocol requests and send, whether be cache object and the high-speed cache of controlling this data to above-mentioned acting server according to being set in high-speed cache identifier in the above-mentioned hypertext transfer protocol requests if discerning these data.
4. the cache control method of the acting server according to white list as claimed in claim 1, it is characterized in that, the above-mentioned white list of storage on the storage medium of above-mentioned acting server side, above-mentioned acting server carries out above-mentioned judgement and controls the high-speed cache of these data according to judged result.
5. the cache control method of the acting server according to white list as claimed in claim 1, it is characterized in that, the communication network that above-mentioned client computer connected is LAN (Local Area Network) or the in-house network that is connected with above-mentioned data server, and the communication network that above-mentioned data server connected is LAN (Local Area Network), in-house network or the Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02149457 CN1222888C (en) | 2002-11-19 | 2002-11-19 | Cache controlling method of proxy server according to white list |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02149457 CN1222888C (en) | 2002-11-19 | 2002-11-19 | Cache controlling method of proxy server according to white list |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1501266A CN1501266A (en) | 2004-06-02 |
| CN1222888C true CN1222888C (en) | 2005-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02149457 Expired - Fee Related CN1222888C (en) | 2002-11-19 | 2002-11-19 | Cache controlling method of proxy server according to white list |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012931A (en) * | 2010-12-01 | 2011-04-13 | 北京瑞信在线系统技术有限公司 | Filter cache method and device, and cache system |
| JP5783152B2 (en) * | 2012-09-13 | 2015-09-24 | コニカミノルタ株式会社 | Browser device, browser program, browser system, and image forming apparatus |
| CN103856294A (en) * | 2012-11-29 | 2014-06-11 | 北京千橡网景科技发展有限公司 | Method and device for automatically checking link in real time |
| CN103631891A (en) * | 2013-11-15 | 2014-03-12 | 北京奇虎科技有限公司 | Method for processing browser disk caching and browser |
| CN114390107B (en) * | 2022-01-14 | 2024-03-01 | 中国工商银行股份有限公司 | Request processing method, apparatus, computer device, storage medium, and program product |
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- 2002-11-19 CN CN 02149457 patent/CN1222888C/en not_active Expired - Fee Related
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Owner name: QIAILU CO., LTD. Free format text: FORMER OWNER: ALPS SYSTEMS INTEGRATION CO., LTD. Effective date: 20061215 |
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Effective date of registration: 20061215 Address after: Tokyo, Japan Patentee after: Enterprise Corporation Address before: Tokyo, Japan Patentee before: Alps System Integration Co., Ltd. |
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