WO2006087832A1 - データ処理装置 - Google Patents
データ処理装置 Download PDFInfo
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- WO2006087832A1 WO2006087832A1 PCT/JP2005/012605 JP2005012605W WO2006087832A1 WO 2006087832 A1 WO2006087832 A1 WO 2006087832A1 JP 2005012605 W JP2005012605 W JP 2005012605W WO 2006087832 A1 WO2006087832 A1 WO 2006087832A1
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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
- H04L69/12—Protocol engines
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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
- H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
Definitions
- the present invention relates to a data processing technique, and more particularly, to a data processing apparatus that processes communication data.
- FIG. 1 shows a configuration of a conventional communication control device 1.
- the conventional communication control apparatus 1 includes a communication control unit 2 on the reception side, a packet processing unit 3, and a communication control unit 4 on the transmission side.
- Each of the communication control units 2 and 4 includes PHY processing units 5a and 5b that perform processing on the physical layer of the packet, and MAC processing units 6a and 6b that perform processing on the MAC layer of the packet.
- the packet processing unit 3 includes a protocol processing unit that performs processing according to a protocol, such as an IP processing unit 7 that performs IP (Internet Protocol) protocol processing and a TCP processing unit 8 that performs TCP (Transport Control Protocol) protocol processing.
- an AP processing unit 9 that performs application layer processing.
- the AP processing unit 9 executes processing such as filtering according to data included in the packet.
- Patent Document 1 Japanese Patent Laid-Open No. 4-180425
- the packet processing unit 3 is realized by software using a CPU that is a general-purpose processor and an OS that runs on a CPU.
- the performance of the communication control device 1 depends on the CPU performance, Even trying to implement a communication control device that can process large-capacity packets quickly has its own limitations. For example, with a 64-bit CPU, the maximum amount of data that can be processed simultaneously at one time is 64 bits, and there was no communication control device with higher performance.
- maintenance work such as OS version upgrades that would never have the possibility of security holes was required.
- the present invention has been made in view of such circumstances, and an object thereof is to provide a technique for realizing a high-speed data processing device.
- the data processing apparatus includes a first storage unit that stores reference data that serves as a reference for determining the content of processing to be performed on acquired data, and whether or not the reference data is included in the data.
- a search unit that searches the data by comparing the data with the reference data, a second storage unit that stores the search result by the search unit and the contents of the processing in association with each other, and the search result
- a processing unit that executes, on the data, processing contents associated with the search result based on the results, and the search unit is configured by a wired logic circuit.
- the search unit or the processing unit may be realized using an FPGA (Field Programmable Gate Array) or the like.
- FPGA Field Programmable Gate Array
- the wired logic circuit may include a plurality of first comparison circuits that compare the data and the reference data in bit units. By providing 64 or more first comparison circuits in parallel, for example, it is possible to realize a circuit that can compare more bits than the CPU at a time.
- the search unit may include a position detection circuit that detects a position of comparison target data to be compared with the reference data from the communication data.
- the position detection circuit compares position specifying data for specifying the position of the comparison target data and the communication data.
- a plurality of second comparison circuits to be compared, and the communication data may be input to the plurality of second comparison circuits by shifting a position by a predetermined data length and compared in parallel with the position specifying data. .
- the search unit may include a binary search circuit for searching whether or not the reference data is included in the communication data by binary search.
- the reference data is stored in descending order from the last data position of the first storage unit, and 0 is set to the remaining data. It may be stored. If the reference data is 0, the next binary search can be performed without performing the comparison, so that the binary search can be executed at a higher speed.
- the search unit divides the plurality of reference data stored in the first storage unit into three or more ranges
- the comparison target data to be compared with the reference data is any of those ranges.
- a determination circuit for determining whether the image belongs may be included.
- the determination circuit includes a plurality of third comparison circuits for comparing the reference data at the boundary of the range and the comparison target data, and the comparison target data is any one of the three or more ranges by the plurality of third comparison circuits. It may be determined in parallel whether or not they belong.
- the search speed can be improved by specifying the range prior to the research.
- the reference data stored at a predetermined position in the first storage unit may be input to the third comparison circuit as the reference data for the boundary. By making it possible to automatically set the reference data for the boundary, processing can be started immediately even if the contents of the first storage unit are changed.
- the range may be set according to a distribution of appearance frequencies of the reference data in the communication data. Thereby, the search efficiency can be further improved, and a higher-speed search can be realized.
- the first storage unit further stores information indicating a position of comparison target data in the communication data, and the search unit extracts the comparison target data based on the information indicating the position. Also good. As a result, comparison target data can be set more flexibly, and search efficiency can be improved.
- the first storage unit or the second storage unit may be provided to be rewritable from the outside. . This makes it possible to variably set reference data and processing contents, and to use the data processing apparatus for various data processing.
- the search unit may start comparing the reference data with the data when the data to be compared with the reference data is acquired without waiting for the acquisition of all data of the communication packet. Thereby, the time required for processing can be shortened. Not only the comparison process in the search unit but also other processes should be started without waiting for the acquisition of all data.
- This data processing device includes a plurality of any of the data processing devices described above, and each of the data processing devices includes two interfaces for inputting / outputting data to / from a communication line.
- the direction of processing the data is variably controlled by switching the input and output of the interface.
- another data processing device can be operated as an alternative, and fault tolerance can be improved.
- the other data processing device can be operated as an alternative, and maintenance can be performed without stopping the operation.
- by changing the direction of the flow of data processed by each data processing device according to traffic conditions, etc. it is possible to appropriately cope with traffic increase and decrease.
- FIG. 1 is a diagram showing a configuration of a conventional communication control device.
- FIG. 2 is a diagram showing a configuration of a communication control apparatus according to the embodiment.
- FIG. 3 is a diagram showing a configuration of a packet processing circuit.
- FIG. 4 is a diagram showing a configuration of a position detection circuit.
- FIG. 5 is a diagram showing an example of internal data of a first database.
- FIG. 6 is a diagram showing another example of internal data of the first database.
- FIG. 7 is a diagram showing still another example of internal data in the first database.
- FIG. 8 is a diagram showing a configuration of a comparison circuit included in a Neuner research circuit.
- FIG. 9 is a diagram showing an example of internal data of a second database.
- FIG. 10 is a diagram showing another example of internal data of the second database.
- FIG. 11 is a diagram showing another configuration example of the communication control apparatus according to the embodiment.
- 10 communication control device 12 communication control unit, 14 switching control unit, 20 packet processing circuit, 30 search circuit, 32 position detection circuit, 33 comparison circuit, 34 index circuit, 35 comparison circuit, 36 binary search circuit, 40 processing execution circuit, 50 first database, 6 0 second database.
- FIG. 2 shows a configuration of a communication control apparatus that is an example of the data processing apparatus of the present invention.
- the communication control device 10 according to the present embodiment is a dedicated communication circuit using a wired logic circuit instead of the packet processing unit 3 realized by software including the CPU and OS in the conventional communication control device 1 shown in FIG.
- a packet processing circuit 20 composed of hardware.
- the CPU which is a general-purpose processing circuit, is equipped with a dedicated hardware circuit for processing communication data rather than processing the communication data by the operating OS and software. It is possible to overcome this limitation and realize a communication control device with high processing capability.
- the communication data and the reference are used using the CPU.
- the CPU needs to repeat the process of reading 64 bits from the communication data into the memory, comparing it with the reference data, and then reading the next 64 bits into the memory. Reading time is limited, processing speed is limited There is.
- a dedicated hardware circuit configured by a yard logic circuit is provided in order to compare communication data and reference data.
- the communication control device 1 In order to enable comparison of data lengths longer than 64 bits, for example, data lengths of 1024 bits, it includes a plurality of comparators provided in parallel. In this way, by setting up dedicated hardware, a large number of bit matching can be executed in parallel at the same time.
- the communication control device 1 using a conventional CPU can process 1024 bits at a time instead of processing only 64 bits at a time, and the processing speed can be dramatically improved.
- Increasing the number of comparators improves processing performance, but also increases cost and size, so it is only necessary to design an optimal hardware circuit in consideration of desired processing performance, cost, size, etc. .
- the communication control device 10 of the present embodiment is configured by dedicated hardware using a wired logic circuit, and therefore does not require an OS (Operating System). For this reason, it is possible to reduce costs and man-hours for management and maintenance that require operations such as OS installation, bug handling, and version upgrade.
- OS Operating System
- CPUs that require general-purpose functions they do not include unnecessary functions, so you can reduce costs without using extra resources, reduce circuit area, and increase processing speed.
- OS Operating System
- the conventional communication control device 1 processes a packet by software premised on the CPU and the OS, receives all the data of the packet, performs a powerful protocol process, and passes the data to the application. .
- processing since processing is performed by a dedicated hardware circuit, it is not necessary to start processing after receiving all the data of the packet. If received, processing can be started at an arbitrary time without waiting for reception of subsequent data. For example, position detection processing in a position detection circuit described later can be started when position specifying data for specifying the position of comparison target data is received. In this way, receiving all data Since various processes can be executed in a floating manner without waiting, the time required to process packet data can be shortened.
- FIG. 3 shows an internal configuration of the packet processing circuit.
- the packet processing circuit 20 includes a first database 50 that stores reference data serving as a reference for determining the contents of processing to be performed on communication data, and the received communication data includes reference data! Whether or not the search circuit 30 for searching by comparing the communication data with the reference data, and the search result by the search circuit 30 and the contents of the processing to be executed for the communication data are stored in association with each other.
- the second database 60 includes a processing execution circuit 40 that processes communication data based on the search result by the search circuit 30 and the conditions stored in the second database 60.
- the search circuit 30 divides the reference data stored in the first database 50 into three or more ranges, the position detection circuit 32 for detecting the position of the comparison target data to be compared with the reference data from the communication data Index circuit 34, which is an example of a determination circuit that determines to which of the ranges the comparison target data belongs, and a binary search that searches for reference data that matches the comparison target data within the determined range Circuit 36.
- the binary search method is used in the present embodiment.
- FIG. 4 shows the internal configuration of the position detection circuit.
- the position detection circuit 32 includes a plurality of comparison circuits 33a to 33f for comparing the position specifying data for specifying the position of the comparison target data with the communication data.
- six comparison circuits 33a to 33f are provided, but as will be described later, the number of comparison circuits may be arbitrary.
- Communication data is input to each of the comparison circuits 33a to 33f with a predetermined data length, for example, shifted by 1 byte.
- the plurality of comparison circuits 33a to 33f the position specifying data to be detected and the communication data are compared in parallel at the same time.
- a character string “No. # # #” included in communication data is detected, and the character string is detected.
- the number “# # #” included is compared with the reference data. If it matches the reference data, the packet is allowed to pass, and if it does not match, the packet is discarded.
- the communication data in order to detect the position specifying data “No.” for specifying the position of the number “# # #” from the communication data, the communication data “01 No. 361. "Is shifted by one character and input to the comparison circuits 33a to 33f.
- the position detection circuit 32 may be used as a circuit for detecting a character string for general purposes, not only for detecting position specifying data. It may also be configured to detect position specific data in bit units, not just character strings.
- FIG. 5 shows an example of internal data of the first database.
- the first database 50 stores the data sorted according to some sort condition, which is a reference data force used as a reference for determining the contents of processing such as knot filtering, routing, switching, and replacement.
- some sort condition which is a reference data force used as a reference for determining the contents of processing such as knot filtering, routing, switching, and replacement.
- 1000 pieces of reference data are stored.
- an offset 51 indicating the position of the comparison target data in the communication data is stored.
- the data structure in the knot is defined in bits, so the processing contents of the packet are determined. If the position of the flag information or the like for this purpose is set as the offset 51, the processing contents can be determined by comparing only the necessary bits, so that the processing efficiency can be improved. Even if the data structure of the packet is changed, it can be dealt with by changing the offset 51.
- the first database 50 may store the data length of the comparison target data. As a result, comparison can be performed by operating only the necessary comparators, so that search efficiency can be improved.
- the index circuit 34 determines to which of these ranges the comparison target data belongs.
- 1000 pieces of reference data are divided into four ranges 52a to 52d, each having 250 pieces.
- the index circuit 34 includes a plurality of comparison circuits 35a to 35c that compare the reference data at the boundary of the range with the comparison target data. By comparing the comparison target data and the boundary reference data simultaneously in parallel by the comparison circuits 35a to 35c, it is possible to determine which range the comparison target data belongs to by one comparison process.
- the boundary reference data input to the comparison circuits 35a to 35c of the index circuit 34 may be set by a device provided outside the communication control device 10, or may be set in advance in the first database 50.
- the reference data for the position may be entered automatically! In the latter case, even if the first database 50 is updated, the reference data at a predetermined position in the first database 50 is automatically input to the comparison circuits 35a to 35c. Processing can be executed.
- the binary search circuit 36 executes a search by the binary search method.
- the binary search circuit 36 further divides the range determined by the index circuit 34 into two, and compares the reference data at the boundary position with the comparison target data to determine which range it belongs to.
- Binary search circuit 3 6 includes a plurality of comparison circuits for comparing the reference data and the comparison target data in bit units, for example, 1024 in this embodiment, and simultaneously performs 1024-bit bit matching. If it is determined which of the two divided ranges, the reference data at the boundary position is read by dividing the range into two and compared with the comparison target data. Thereafter, the range is further limited by repeating this process, and finally the reference data that matches the comparison target data is searched.
- the comparison target data following the position specifying data “No.” is the number “361”. Since there is a space for one character between the position identification data “No.” and the comparison target data “361”, offset 51 is set to “8” to remove this space from the comparison target data. Is set.
- the Neua research circuit 36 skips “8” bits, that is, one byte from the communication data following the position specifying data “No.”, and reads “361” as the comparison target data.
- comparison circuits 35a to 35c of the index circuit 34 "361" is input as comparison target data, and the reference data “reference data” at the boundary between the ranges 52a and 52b is input to the comparison circuit 35a as reference data.
- Reference data “704” at the boundary between the ranges 52b and 52c is input to the comparison circuit 35b.
- Reference data “937” at the boundary between the ranges 52c and 52d is input to the comparison circuit 35c. Comparisons are made simultaneously by the comparison circuits 35a to 35c, and it is determined that the comparison target data “361” belongs to the range 52a. Thereafter, the binary search circuit 36 searches whether or not the comparison target data “361” exists in the reference data.
- FIG. 6 shows another example of internal data of the first database.
- the number of reference data is less than the number of data that can be held in the first database 50, here 1000.
- the first database 50 stores the reference data in descending order from the last data position.
- 0 is stored in the remaining data.
- the database is always full by allocating from the back of the loading area without allocating the leading force data, and if there is a vacancy at the beginning of the loading area, all the vacancy is zero-suppressed.
- the maximum time for binary search can be made constant.
- the binary search circuit 36 also performs reference data during the search. When “0” is read as the data, the comparison result is self-explanatory, so the range can be specified without comparison and the next comparison can be made. This can improve the search speed.
- the reference data when the reference data is stored in the first database 50, the reference data is stored in the first data position ascending order.
- the comparison process as described above cannot be omitted in the remaining data.
- the comparison technique described above is realized by configuring the search circuit 30 with a dedicated hardware circuit.
- FIG. 7 shows still another example of the internal data of the first database.
- the number of reference data belonging to the range is uneven, such as 500 for the range 52a and 100 for the range 52b, which do not divide the reference data evenly into three or more ranges. ing.
- These ranges may be set according to the distribution of the appearance frequency of the reference data in the communication data. That is, the ranges may be set so that the sum of the appearance frequencies of the reference data belonging to the respective ranges is substantially the same. This can improve the search efficiency.
- the reference data input to the comparison circuits 35a to 35c of the index circuit 34 may be capable of changing an external force. As a result, the range can be set dynamically and the search efficiency can be optimized.
- FIG. 8 shows a configuration of a comparison circuit included in the binary search circuit.
- the bin research circuit 36 includes 1024 comparison circuits 36a, 36b,. Each comparison circuit 36a, 36b,... Receives reference data 54 and comparison target data 56 one bit at a time, and compares them.
- the internal configurations of the comparison circuits 35a to 35c of the index circuit 34 are also the same. In this way, by executing the comparison process with a dedicated hardware circuit, a large number of comparison circuits can be operated in parallel and a large number of bits can be compared at the same time. be able to.
- FIG. 9 shows an example of internal data of the second database.
- the second database 60 includes a search result field 62 for storing the search result by the search circuit 30 and a process content field 64 for storing the content of the process to be executed on the communication data, and corresponds the search result to the process content Hold it.
- a condition is set that allows the packet to pass through and discards the packet if it is not included.
- the processing execution circuit 40 searches the second database 60 for processing contents based on the search result, and executes processing on the communication data.
- the processing execution circuit 40 may also be realized by a wired logic circuit.
- FIG. 10 shows another example of internal data of the second database.
- the processing content is set for each reference data.
- information about the route may be stored in the second database 60.
- the process execution circuit 40 executes processes such as filtering, routing, switching, and replacement stored in the second database 60 according to the search result by the search circuit 30.
- the first database 50 and the second database 60 may be integrated.
- the first database and the second database are provided to be rewritable by an external force. By exchanging these databases, various data processing and communication control can be realized using the same communication control device 10. It is also possible to set up two or more databases that store the reference data to be searched and perform multi-step search processing! At this time, more complicated conditional branches may be realized by providing two or more databases that store search results and processing contents in association with each other. In this way, if multiple databases are used to perform multi-stage searches, multiple position detection circuits 32, index circuits 34, binary search circuits 36, etc. may be provided.
- the data used for the comparison described above may be compressed by the same compression logic.
- the same comparison as usual is possible.
- the amount of data to be loaded at the time of comparison can be reduced. If the amount of data to be loaded is reduced, the time required to read data from the memory is shortened, so the overall processing time can be shortened.
- the amount of the comparator can be reduced, it is possible to contribute to the downsizing, weight saving, and cost reduction of the apparatus.
- the data used for the comparison may be stored in a compressed format, or may be compressed after being read from the memory and before the comparison.
- FIG. 11 shows another configuration example of the communication control apparatus according to the present embodiment.
- the communication control device 10 shown in this figure has two communication control units 12 having the same configuration as the communication control device 10 shown in FIG. Further, a switching control unit 14 for controlling the operation of each communication control unit 12 is provided.
- Each communication control unit 12 has two input / output interfaces 16 and is connected to two networks on the upstream side and the downstream side via the respective input / output interfaces 16.
- the communication control unit 12 inputs communication data in either network power and outputs the processed data to the other network.
- the switching control unit 14 switches the direction of the flow of communication data in the communication control unit 12 by switching the input / output of the input / output interface 16 provided in each communication control unit 12. This enables bi-directional communication control that goes beyond just one direction.
- the switching control unit 14 may control so that one of the communication control units 12 processes an inbound packet and the other processes an outbound packet, or controls both to process an inbound packet. However, both parties may control to process outbound packets. As a result, for example, the direction of communication to be controlled can be made variable according to the traffic status and purpose.
- the switching control unit 14 may acquire the operation status of each communication control unit 12, and may switch the direction of communication control according to the operation status. For example, when one communication control unit 12 is in a standby state and the other communication control unit 12 is operating, when it is detected that the communication control unit 12 has stopped due to a failure or the like, it is on standby as an alternative. The communication control unit 12 may be operated. As a result, the fault tolerance of the communication control device 10 can be improved. Further, when maintenance such as database update is performed on one communication control unit 12, the other communication control unit 12 may be operated as an alternative. Thereby, it is possible to appropriately perform maintenance without stopping the operation of the communication control device 10.
- Three or more communication control units 12 may be provided in the communication control device 10.
- the switching control unit 14 acquires the traffic status, and assigns more communication control units 12 to the communication control process in the direction with a large amount of communication.
- the direction may be controlled. As a result, even if the amount of communication in a certain direction increases, the decrease in communication speed can be minimized.
- a part of the communication control unit 2 or 4 may be shared between the plurality of communication control units 12.
- a part of the packet processing circuit 20 may be shared.
- the present invention can be used for a data processing apparatus that processes communication data and the like.
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Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
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EP20050765488 EP1850558A1 (en) | 2005-02-18 | 2005-07-07 | Data processing device |
JP2007503569A JP4027416B2 (ja) | 2005-02-18 | 2005-07-07 | データ処理装置 |
US11/793,565 US20080270360A1 (en) | 2005-02-18 | 2005-07-07 | Data Processing Device |
CN2005800493262A CN101147381B (zh) | 2005-02-18 | 2005-07-07 | 数据处理装置 |
CA 2577283 CA2577283A1 (en) | 2005-02-18 | 2005-07-07 | Data processing device |
US11/884,526 US8336092B2 (en) | 2005-02-18 | 2005-08-25 | Communication control device and communication control system |
CA002596948A CA2596948A1 (en) | 2005-02-18 | 2005-08-25 | Communication control device and communication control system |
PCT/JP2005/015480 WO2006087837A1 (ja) | 2005-02-18 | 2005-08-25 | 通信制御装置及び通信制御システム |
KR20077021091A KR20070103774A (ko) | 2005-02-18 | 2005-08-25 | 통신 제어 장치 및 통신 제어 시스템 |
JP2007503571A JP4546998B2 (ja) | 2005-02-18 | 2005-08-25 | 通信制御システム |
CN2005800493258A CN101147138B (zh) | 2005-02-18 | 2005-08-25 | 通信控制系统 |
EP05774657A EP1850234A1 (en) | 2005-02-18 | 2005-08-25 | Communication control device and communication control system |
Applications Claiming Priority (2)
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JP2005042755 | 2005-02-18 | ||
JP2005-042755 | 2005-02-18 |
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WO2006087832A1 true WO2006087832A1 (ja) | 2006-08-24 |
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PCT/JP2005/012605 WO2006087832A1 (ja) | 2005-02-18 | 2005-07-07 | データ処理装置 |
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US (1) | US20080270360A1 (ja) |
EP (1) | EP1850558A1 (ja) |
JP (1) | JP4027416B2 (ja) |
KR (2) | KR20070068377A (ja) |
CN (4) | CN101147381B (ja) |
CA (1) | CA2577283A1 (ja) |
WO (1) | WO2006087832A1 (ja) |
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CN110875754B (zh) * | 2018-08-29 | 2021-08-27 | 瑞昱新加坡有限公司 | 可提升数据传输效能的无线通信电路 |
CN111629038B (zh) * | 2020-05-19 | 2023-08-08 | 北京达佳互联信息技术有限公司 | 虚拟资源分享处理方法、装置、服务器及存储介质 |
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- 2005-07-07 CN CN2005800493262A patent/CN101147381B/zh not_active Expired - Fee Related
- 2005-07-07 EP EP20050765488 patent/EP1850558A1/en not_active Withdrawn
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JP5380710B2 (ja) * | 2007-11-19 | 2014-01-08 | デュアキシズ株式会社 | 通信制御装置 |
CN103780659A (zh) * | 2012-10-25 | 2014-05-07 | 中国电信股份有限公司 | 处理移动用户所输入网页地址的方法与无线应用协议网关 |
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KR20170034401A (ko) * | 2014-09-22 | 2017-03-28 | 인텔 코포레이션 | 메모리 데이터에 기초하여 비교 정보를 결정하기 위한 장치, 시스템 및 방법 |
KR20210100758A (ko) * | 2014-09-22 | 2021-08-17 | 인텔 코포레이션 | 메모리 데이터에 기초하여 비교 정보를 결정하기 위한 장치, 시스템 및 방법 |
KR102289787B1 (ko) * | 2014-09-22 | 2021-08-17 | 인텔 코포레이션 | 메모리 데이터에 기초하여 비교 정보를 결정하기 위한 장치, 시스템 및 방법 |
KR102443078B1 (ko) * | 2014-09-22 | 2022-09-14 | 인텔 코포레이션 | 메모리 데이터에 기초하여 비교 정보를 결정하기 위한 장치, 시스템 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20070103774A (ko) | 2007-10-24 |
CN101176080A (zh) | 2008-05-07 |
CN101151602A (zh) | 2008-03-26 |
EP1850558A1 (en) | 2007-10-31 |
CA2577283A1 (en) | 2006-08-24 |
KR20070068377A (ko) | 2007-06-29 |
CN101147381B (zh) | 2011-07-27 |
CN101147138A (zh) | 2008-03-19 |
CN100476771C (zh) | 2009-04-08 |
US20080270360A1 (en) | 2008-10-30 |
CN101147381A (zh) | 2008-03-19 |
JPWO2006087832A1 (ja) | 2008-07-03 |
JP4027416B2 (ja) | 2007-12-26 |
CN101147138B (zh) | 2010-05-12 |
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