CN103168460A - Content caching with remote charging services in a radio access network - Google Patents
Content caching with remote charging services in a radio access network Download PDFInfo
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- CN103168460A CN103168460A CN2011800507769A CN201180050776A CN103168460A CN 103168460 A CN103168460 A CN 103168460A CN 2011800507769 A CN2011800507769 A CN 2011800507769A CN 201180050776 A CN201180050776 A CN 201180050776A CN 103168460 A CN103168460 A CN 103168460A
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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
- H04L12/1432—Metric aspects
- H04L12/1435—Metric aspects volume-based
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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
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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
- H04L12/1432—Metric aspects
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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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
- H04L12/1403—Architecture for metering, charging or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5603—Access techniques
Abstract
Embodiments of the invention provide a method, system and computer program product for content caching with remote filtering services in a radio access network (RAN). In an embodiment of the invention, a method for content caching with remote filtering services in a RAN can include receiving a response to a request from an end user device wirelessly coupled to a base station of the RAN, marking the response as uncacheable, and routing the response to the base station over a data communications network. In one aspect of the embodiment, the response can be received in an RNC of the RAN. Of note, the process of marking the response as uncacheable can depend upon the evaluation of a policy with respect to the response. Finally, in another aspect of the embodiment, marking the response as uncacheable, can include annotating a hypertext transfer protocol (HTTP) header of the response to indicate that the response is not to be cached in the base station.
Description
Technical field
The present invention relates to be provided in the content retrieval service in radio access network, and relate more particularly to the high-speed cache of the retrieval of content in radio access network.
Background technology
Radio access network (RAN) provides the basis of modern cellular phone.RAN is engaged to core network (CN) in order to the mobile device with the different terminals user, enjoys phone and data communication with wireless mode in the geographic area that makes individuality to cover in each base station by radio access network.By and large, RAN provides in order to both are passed to land circuit switching formula communication network and comprise both necessary basis frameworks of packet switching formula data communication network of fhe global the Internet from air medium (over-the-air medium) with voice and data service.
At present, some standards have been implemented in conjunction with RAN.Example comprises global system for mobile communications (GSM), universal mobile telecommunications system (UMTS) and GSM " Edge " RAN(GERAN).RAN generally includes a plurality of different radio network controllers (RNC), and these radio network controllers (RNC) are managed separately provides one group of base station to geographic cell with wireless connectivity.Whole different RNCs of RAN all are linked to via the gateway that is called integrated service radio packet services node (SGSN) thing that is called honeycomb fashion data core or CN.CN provides various services to the client who connects by RAN.One of major function is to cross over public switched telephone network (PSTN) to come route to call out.Another function is that packet is routed to Internet Protocol (IP) network such as fhe global the Internet, so that the service that is provided by content transmission network (CDN) can be provided the terminal use of RAN.For this reason, CN comprises the gateway that is called gateway GPRS service node (GGSN).
Typical CDN can provide the senior content delivery service such as VPN Content cache and information filtering.VPN Content cache refers to that the centre of the previous content of retrieving under following hypothesis temporarily stores: the subsequent request that content is approached in time can rather than repeat by temporary transient storage the request comparatively consuming time of content is satisfied in CDN.Comparatively speaking, information filtering refers to when content meets specific configuration file (for example, by the issue of specific source or and specific theme arranged) restriction to the transmission of institute's request content.Under these two kinds of situations, to carry out the necessary package processing of senior content service and often require those services are provided in CN, (that is, transmission control protocol (TCP)/IP) is consistent for the communication protocol of wherein utilizing in CN and the communication protocol of fhe global the Internet.
Even so, still have some built view will the support of content service (for example, VPN Content cache and information filtering) to be placed in RAN.Thus, the people's such as Kovvali U.S. Patent Application Publication case No.20100034089 suggestion is placed in the VPN Content cache service in RAN and from the RAN agreement of RAN special use and extracts the TCP/IP payload.However, but will be placed in as the content service of high-speed cache and filtration and so on and make it in each base station is not more desired near the terminal use, because the physical surroundings that so operates due to the base station needs to solidify the calculating device of supporting this type of content service.Therefore, when carrying out content service at the place, base station, only provide minimum calculating device only to process the most basic content service.But, often need to carry out more content service, and be not only the most basic content service.For example, under many situations, need to carry out chargeable service to the terminal use to the content Service delivery.On chargeable service need to the degree than the most basic more calculating device of calculating device, for convenience's sake, the content service of chargeable service together with correspondence is provided in RAN.
Therefore, address the above problem being necessary in the art.
Summary of the invention
Embodiments of the invention solve prior art about the deficiency of the content service in RAN, and a kind of novel and non-obvious method, system and computer program of the VPN Content cache with remote filter service for RAN are provided.In one embodiment of the invention, the method that is used for the VPN Content cache with remote filter service of RAN can comprise the response that receives the request of the end user device that couples from the base station with wireless mode and RAN, be can not buffer memory with response flag, and by data communication network, response routed to the base station.In the one side of the present embodiment, can receive response in the RNC of RAN.It should be noted that response flag can be depended on evaluation about the strategy of response for process that can not buffer memory.For example, the content during strategy can will respond according to retention period, according to the constituent of content or according to the source (only giving a few examples) of content is appointed as can not buffer memory.At last, the present embodiment on the other hand in, with response flag for the HTTP(Hypertext Transport Protocol) header that can not buffer memory can comprise the note response to point out that this response will be not internally cached in the base station.
In another embodiment of the present invention, the data handling system based on RAN can be arranged to the VPN Content cache with remote filter service.System can comprise the base station, and this base station comprises antenna, receiver, transmitter, processor, local cache and arrives the network interface of data communication network.The cache module that this system can also comprise the RNC that couples via data communication network and base station and be arranged in the base station and couple with high-speed cache.At last, this system can be included in the filtering services of carrying out in RNC.This service can comprise following program code, this code be activated with: receive the request of data from the base station representing end user device, the CN that passes through to couple routes requests to the content server in computer communication network, the response of reception to request, determine according to strategy whether response is cacheable, if determine response for can not buffer memory it is labeled as can not buffer memory, and response is forwarded to the base station.
From second aspect, the invention provides a kind of method that has the VPN Content cache of remote filter service for radio access network (RAN), the method comprises: receive the response to the request of the end user device that couples from the base station with wireless mode and RAN; Be can not buffer memory with response flag; And, via data communication network, response is routed to the base station.
From second aspect, the invention provides a kind of configuration for the data handling system based on radio access network (RAN) of the VPN Content cache with remote filter service, this system comprises: base station, this base station comprise antenna, receiver, transmitter, processor, local cache and with the network interface of data communication network; Radio network controller (RNC) couples via data communication network and base station; The cache module that is arranged in the base station and couples with high-speed cache; And, the filtering services of carrying out in RNC, this service comprises:
Be used for to receive the device from the request of data of base station that is representing end user device;
Route requests to the device of the content server of computer communication network for the core network (CN) that passes through to couple; Be used for receiving the device to the response of request;
Be used for determining according to strategy whether response is cacheable device;
Be used in the situation that determine response for can not buffer memory with its be labeled as can not buffer memory device; And
Be used for response is forwarded to the device of base station.
On the other hand, the invention provides the computer program that has the VPN Content cache of remote filter service for radio access network (RAN), this computer program comprises: computer-readable recording medium, can read and store the instruction of being carried out by treatment circuit by treatment circuit, be used for carrying out the method that is used for carrying out step of the present invention.
On the other hand, the invention provides a kind of be stored on computer-readable medium and can be loaded into digital computer computer program in internal memory, comprise the software code part, when described program is moved on computers, be used for carrying out step of the present invention.
Other aspects of the present invention will partly be set forth in description subsequently, and will be apparent for part according to this description, perhaps can learn by practice of the present invention.Aspect of the present invention (aspect) will realize and reach by appending claims specifically noted element and combination.Should be appreciated that as desired, above-mentioned describe, in general terms and following detailed description are exemplary and indicative, and do not limit the present invention.
Description of drawings
Now, the present invention will describe with reference to preferred embodiment shown in the drawings by the mode of example (only making example):
Fig. 1 is the icon illustration of process that RAN has the VPN Content cache of remote filter service that is used for according to a preferred embodiment of the present invention;
Fig. 2 is used for having the schematic illustration based on the data handling system of RAN of the VPN Content cache of remote filter service according to the configuration of a preferred embodiment of the present invention; And
Fig. 3 is used for the process flow diagram of the VPN Content cache with remote filter service of RAN according to the illustration of a preferred embodiment of the present invention.
Embodiment
Embodiments of the invention are provided for having in RAN method, system and the computer program of the VPN Content cache of remote filter service.According to one embodiment of present invention, the content requests that receives in RNC from the different base station that couples with RNC can route to by CN the content provider of the institute's addressing in content distributed network (for example, fhe global the Internet).Received request response and filtering policy can be compared, but to determine whether buffer memory of individual response.Thus, can to come given content according to the constituent of the source of the type of the retention period of content, content, content or content be can not buffer memory to filtering policy.For be considered to can not buffer memory each response, response that can not buffer memory is mark and be forwarded to the base station that therefrom receives corresponding requests like this.And then, the cache module in the base station only high-speed cache those be labeled as can not buffer memory response.In this way, caching function can remain and be distributed in each base station, keeps filtering services simultaneously in RNC.
In another illustration, Fig. 1 has described to be used for diagramatic way the process that RAN has the VPN Content cache of remote filter service.As shown in Figure 1, honeycomb communicating network can be provided to comprise different base station 120, and these base stations 120 are arranged in order to the radio telephone access to PSTN140 to be provided to different terminals subscriber equipment 110.The cluster of base station 120 can be linked to common RNC130 by correspondence, this RNC130 and then can couple with CN150, thus form RAN.CN150 can comprise serve as at the SGSN160A of the gateway of the business between CN150, PSTN140 and each RNC130 and serve as CN150 and data communication network 100(is generally fhe global the Internet) between the GGSN160B of gateway.As known in the art, CN150 self can support numerous content services 170.
It should be noted that the data handling system 190A for information filtering can be arranged in RNC130, and can be arranged to and different VPN Content cache 190B coupled in communication, each VPN Content cache 190B is respectively in the interior execution in different base station 120.Data handling system 190A can comprise program code, when carrying out in data handling system, the content 190C that this program code processing response retrieves the content server 180 from data communication network 100 by CN150 in being derived from the content requests of end user device 110 via the base station 120 of correspondence.Especially, data handling system 190A can be according to specifying whether specific content 190C should be thought cacheable filtering policy comes filtering content 190C.For think can not buffer memory content 190C, data handling system 190A can be like this by for example just note embed in the http header of content 190C and come tag content 190C.Thereafter, data handling system 190A can route to content 190C corresponding base station 120 in order to be back to end user device 110, and if not yet be marked as can not buffer memory for content 190C, comes high-speed cache by VPN Content cache 190B.
In another illustration, Fig. 2 is the schematic illustration based on the data handling system of RAN of the configuration VPN Content cache that is used for having in packet data network (for example, 2.5G or 3G network) remote filter.This system can comprise via communication network 250(be generally IP network or ATM(Asynchronous Transfer Mode) network) the base station 200A that couples with RNC200B.Base station 200A can comprise receiver/transmitter 230, this receiver/transmitter 230 receives air communication via antenna 265 from the different terminals subscriber equipment in the transmission range of base station 200A, and via network interface 210, these air communications is routed to RNC200B.Processor 240 can be provided in order to be placed in internal memory 220 in the data that receive and these data be carried out computing when interior.Can carry out via the processor 240 of base station 200A with the cache module 280 that VPN Content cache 275 couples.But cache module 280 can be in response to from the request of the end user device that couples, content received in the 200A of base station being carried out the high-speed cache of the cache contents in high-speed cache 275.
RNC200B can comprise again the master computer with at least one processor and internal memory 260 of the execution of supporting operating system 270.Operating system 270 again can the master control information filtering execution of service 280.Information filtering service 280 can comprise program code, when carrying out in operating system 270, this program code can receive the response from the request of data communication network 250, and strategy 285 is applied to these responds to determine that whether these responses are as cacheable.For be confirmed as can not buffer memory response, the program code of information filtering service 280 can be like this by for example to these responses carry out header note (point out these responses will not by 280 high-speed caches of the cache module in the 200A of base station) come mark these can not buffer memory response.
In another illustration, Fig. 3 is that illustration is used for the flow chart of process that RAN has the VPN Content cache of remote filter service.From block 310, content requests can be received from the base station that is representing with the end user device of wireless mode access base station.In block 320, this request can be routed on CN, finally to be processed by the content provider on fhe global the Internet.In block 330, can receive via CN the response of this request, and in block 340, certain application of policies can be responded in this.The content of strategy in can specified response will be cached or be marked as can not buffer memory.For example, strategy can be illustrated: the source (only enumerating several standards) of the composition (constituency) of content-based retention period (age), content or content, content will not be cached.
In decision block 350, if once applied strategy to cause content to be confirmed as cacheable, response can be routed to the base station, with pass to end user device and at one's discretion the cache module of base station it is cached in the base station.But, if in decision block 350, determine that according to strategy this content can not buffer memory, in block 370, content that can be in this response together with mark that can not buffer memory be back to base station (block 360) before with this response flag for can not buffer memory.
As understood by those skilled in the art, aspect of the present invention can be implemented as system, method or computer program.Therefore, aspect of the present invention can adopt the embodiment of complete hardware, fully software embodiment (comprising firmware, resident software, microcode etc.) or in conjunction with the form of the embodiment of software and hardware aspect, these embodiment all can be generally called work " circuit ", " module " or " system " in this article.In addition, aspect of the present invention can adopt the form that is implemented in the computer program in one or more computer-readable mediums, and these one or more computer-readable mediums have realization computer-readable program code thereon.
Can utilize the combination in any of one or more computer-readable mediums.Computer-readable medium can be computer-readable signal media or computer-readable recording medium.For example, computer-readable recording medium can be (but being not limited to) electronics, magnetic, optics, electromagnetism, infrared ray or semi-conductive system, device or equipment, the perhaps random suitable combination of aforementioned system, device or equipment.Under comprising, the more specifically example of computer-readable recording medium (non-exhaustive list) lists: electrical connector, portable computer diskette, hard disk, random-access memory (ram), read-only memory (ROM), EPROM (Erasable Programmable Read Only Memory) (EPROM or flash memory), optical fiber, portable optic disk read-only memory (CD-ROM), optical storage apparatus, magnetic storage apparatus, the perhaps random suitable combination of aforementioned device with one or more wires.In the context of presents, computer-readable recording medium can be can contain or store for instruction execution system, device or equipment or any tangible medium program that combined command executive system, device or equipment use.
The computer-readable signal media can comprise the data-signal of propagating, and this data-signal has and be implemented in wherein the computer readable program code of (for example, in base band or as the part of carrier wave).This signal of propagating can adopt any in various ways, and these forms include, but is not limited to electromagnetism, optics or above various forms of random suitable combination.The computer-readable signal media can be not computer-readable recording medium and can pass on, propagate or carry any computer-readable medium of the program of using for instruction execution system, device or equipment or combined command executive system, device or equipment.
The program code that is implemented on computer-readable medium can transmit with any suitable medium, includes, but is not limited to wireless, wired, Connectorized fiber optic cabling, radio frequency and fellow, perhaps above-mentioned every random suitable combination.The computer program code that is used for the operation of execution each side of the present invention can be write with the combination in any of one or more programming languages, and these one or more programming languages comprise Subject-oriented programming language and conventional process type programming language.Program code can be carried out on user's computer fully, partly carry out on user's computer, carry out as the stand alone software bag, partly carry out on user's computer, and partly carrying out on remote computer or carrying out on remote computer or server fully.In the situation of carrying out on remote computer or server fully, remote computer can be connected to (comprising Local Area Network or wide area network (WAN)) user's computer via the network of any type, perhaps (for example can be connected to outer computer, use the ISP, via the internet).
Below with reference to flow chart illustration and/or the calcspar of method, device (system) and computer program have been described each aspect of the present invention according to an embodiment of the invention.Thus, the flow chart in accompanying drawing and calcspar show the framework that may implement, function and the operation of system, method and computer program according to each embodiment of the present invention.For example, module, section or part that each block in flow chart or calcspar can the representation program code, the module of program code, section or part comprise be used to one or more executable instructions of implementing specified logic function.Shall also be noted that in some interchangeable embodiment, the function of mentioning in block can be not according to occurring in sequence that accompanying drawing is mentioned.For example, depending on related function, in fact two blocks showing continuously can be carried out basically simultaneously, and perhaps these blocks can be carried out by opposite order sometimes.Should also be noted that, the combination of the block in each block in calcspar and/or flow chart illustration and calcspar and/or flow chart illustration can be implemented by the system based on specialized hardware that carries out appointed function or action, perhaps implements by the combination of specialized hardware and computer instruction.
It is also understood that each block in flow chart illustration and/or calcspar and the combination of the block in flow chart illustration and/or calcspar can implement by computer program instructions.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer or other programmable data processing unit to produce machine, make the instruction of carrying out via the processor of computer or other programmable data processing unit create out device for the specified function of the block of implementing procedure figure and/or calcspar/action.
These computer program instructions can be stored in computer-readable medium equally, this computer-readable medium can instruct computer, other programmable data processing unit or other equipment to function in a particular manner, make the instruction that is stored in computer-readable medium produce manufacture, this manufacture comprises the instruction for the specified function of the block of realization flow figure and/or calcspar/action.Computer program instructions can be loaded on computer, other programmable data processing unit or other equipment equally, carry out on computer, other programmable devices or other equipment to impel the sequence of operations step, thereby produce computer-implemented process, make the instruction of carrying out on this computer or other programmable devices be provided for the process of the specified function of the block of realization flow figure and/or calcspar/action.
At last, term used herein is only for the purpose of describing specific embodiment, and is not intended to limit the present invention.As used herein, unless context clearly indication in addition, singulative " " and " being somebody's turn to do " mean to comprise equally plural form.It should also be understood that, term " comprises " and/or " comprising " appointment when being used for this specification exists feature, integer, step, operation, element and/or the member of stating, but does not get rid of existence or separately add one or more other features, integer, step, operation, element, member and/or above every group.
Counter structure, material, action and the equivalent that all devices in the following claim book or step add function element means to comprise for carry out any structure, material or the action of function in conjunction with the element of other prescriptions of special requirement right.Purpose for illustration and description has provided description of the invention, but this description is not to mean as detailed or the present invention is defined in disclosed form.Without departing from the scope of the invention, to those skilled in the art, many modifications and variations should be apparent.Embodiment is for principle of the present invention and practical application are done best explanation and selected and describe, and makes those skilled in the art understand the present invention for each embodiment of the various modifications with the special-purpose that is suitable for containing.
Therefore at length and the inventive embodiment of REFERENCE TO RELATED the application's invention is described, what should understand is that in the situation that do not break away from the scope of the present invention that the back appending claims defines, modifications and variations are all possible.
Claims (13)
1. one kind is used for the method that radio access network RAN has the VPN Content cache of remote filter service, and described method comprises:
The response of reception to the request of the end user device that couples from the base station with wireless mode and described RAN;
Be can not buffer memory with described response flag; And
Via data communication network, described response is routed to described base station.
2. method according to claim 1, the response that wherein receives the request of the end user device that couples from the base station with wireless mode and described RAN comprises: receive the response to the request of the end user device that couples from the base station with wireless mode and described RAN in radio network controller RNC.
3. the described method of arbitrary claim according to claim 1 and 2, wherein with described response flag for can not buffer memory comprise: in response to described response application strategy with described response flag for can not buffer memory.
4. method according to claim 3, the content during wherein said strategy will respond according to retention period are appointed as can not buffer memory.
5. the content during method according to claim 3, wherein said strategy will respond according to the constituent of described content is appointed as can not buffer memory.
6. the content during method according to claim 3, wherein said strategy will respond according to the source of described content is appointed as can not buffer memory.
7. according to the described method of above-mentioned arbitrary claim, wherein with described response flag for can not buffer memory comprise: the HTML (Hypertext Markup Language) http header of the described response of note is to indicate the described response will be not at described base station high speed buffer memory.
8. a configuration is used for having the data handling system based on radio access network RAN of the VPN Content cache of remote filter service, and described system comprises:
The base station, comprise antenna, receiver, transmitter, processor, local cache and with the network interface of data communication network;
The radio network controller RNC that couples via described data communication network and described base station;
The cache module that is arranged in described base station and couples with high-speed cache; And
The filtering services of carrying out in described RNC, described service comprises:
Be used for to receive the device from the request of data of described base station that is representing end user device;
The core network CN that is used for passing through to couple routes to described request in the device of the content server of computer communication network;
Be used for receiving the device to the response of described request;
Be used for determining whether cacheable device of described response according to strategy;
Be used in the situation that determine described response can not buffer memory with its be labeled as can not buffer memory device; And
Be used for described response is forwarded to the device of described base station.
9. system according to claim 8, the content during wherein said strategy will respond according to retention period are appointed as can not buffer memory.
10. system according to claim 8, the content during wherein said strategy will respond according to the constituent of described content are appointed as can not buffer memory.
11. system according to claim 8, the content during wherein said strategy will respond according to the source of described content are appointed as can not buffer memory.
12. one kind is used for the computer program that radio access network (RAN) has the VPN Content cache of remote filter service, described computer program comprises:
The computer-readable recording medium of the instruction that can be read by treatment circuit and storage is carried out by described treatment circuit in order to carry out the described method of arbitrary claim according to claim 1 to 7.
13. computer program that is stored in internal memory on computer-readable medium and that can be loaded on digital computer, comprise the software code part, when described program is moved on computers, be used for carrying out the described method of arbitrary claim of according to claim 1 to 7.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
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| US12/910,252 | 2010-10-22 | ||
| US12/910,359 US9560155B2 (en) | 2010-10-22 | 2010-10-22 | Ensuring content filtering through a specialized tier of proxy caches at the base station |
| US12/910,359 | 2010-10-22 | ||
| US12/910,252 US9294895B2 (en) | 2010-10-22 | 2010-10-22 | Caching at the wireless tower with remote charging services |
| PCT/EP2011/067858 WO2012052342A1 (en) | 2010-10-22 | 2011-10-13 | Content caching with remote filtering services in a radio access network |
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| CN103168460A true CN103168460A (en) | 2013-06-19 |
| CN103168460B CN103168460B (en) | 2016-10-05 |
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| CN201180050776.9A Active CN103168460B (en) | 2010-10-22 | 2011-10-13 | There is in radio access network the VPN Content cache of remote filter service |
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| WO2019129300A1 (en) * | 2017-12-29 | 2019-07-04 | 华为技术有限公司 | Cache decision method and device |
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| CN104168317B (en) * | 2014-08-12 | 2018-01-19 | 华为技术有限公司 | Cache contents hit method and communication system |
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| BR112013009815A2 (en) | 2018-05-02 |
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| CN103168460B (en) | 2016-10-05 |
| WO2012052342A1 (en) | 2012-04-26 |
| CA3022251C (en) | 2020-08-25 |
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