WO2002069096A2 - Ethernet addressing via physical location for massively parallel systems - Google Patents
Ethernet addressing via physical location for massively parallel systems Download PDFInfo
- Publication number
- WO2002069096A2 WO2002069096A2 PCT/US2002/005570 US0205570W WO02069096A2 WO 2002069096 A2 WO2002069096 A2 WO 2002069096A2 US 0205570 W US0205570 W US 0205570W WO 02069096 A2 WO02069096 A2 WO 02069096A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mac address
- computing device
- assigning
- card
- midplane
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000006870 function Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
- G06F15/17356—Indirect interconnection networks
- G06F15/17368—Indirect interconnection networks non hierarchical topologies
- G06F15/17381—Two dimensional, e.g. mesh, torus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/141—Discrete Fourier transforms
- G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
- G06F9/526—Mutual exclusion algorithms
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
- G09G5/008—Clock recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
- H04L7/0338—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals the correction of the phase error being performed by a feed forward loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present invention broadly relates to a method of assigning addresses to electronic devices. More particularly, it relates to a method of assigning an encoded unique hardware address to a computational device node, where the encoding represents the physical address of the computational device node.
- OSI Open Systems Interconnection
- Data Link Layer This layer represents the transmission medium through which network devices communicate between the layer below it, the Physical Layer where the hardware is connected, and the immediate layer above it, the Network Layer.
- OSI specifies several alternate media at the Data Link Layer, one such medium is the Ethernet. Whichever medium is used at the Data Link Layer, must contain a unique hardware address for each device on the network. This unique hardware address, also known as a Medium Access Control (MAC) address is the same as a unique address for the medium used, e.g., an Ethernet address. Therefore, the MAC address of a device and its Ethernet address are the same unique number. As currently generally implemented, for Ethernet, the MAC address is a 48 bit number usually expressed as 12 hexadecimal digits. Under the well known current address mapping scheme, the most significant 6 hexadecimal digits encodes the hardware device manufacturer, e.g. 08005 A for IBM. The least significant 6 hexadecimal digits encodes a serial number for the devices manufactured by the hardware device manufacturer.
- MAC Medium Access Control
- Ethernet addresses In the massively parallel computer system described above, 162,000 different Ethernet addresses are expected to be deployed. This large number of Ethernet addresses creates a significant problem for a host computer, as well as intermediate network routers and switches, all of which must keep track of the MAC address for a variety of purposes including test, diagnostics, initial program loading, etc. For example, if a particular device's MAC address is not responding during a test, the physical location of the device must be determined for further testing and diagnostics. This problem of finding the device is magnified, when as in a massively parallel computer system, many nodes are arranged in many different locations. For example, the supercomputer nodes which are to be assigned MAC addresses are computer chips which physically reside on cards. The cards are mounted on boards called midplanes.
- the midplanes are in turn mounted in racks.
- the rack, midplane, board, card and chip must somehow be isolated when the only thing known about a failed device is its MAC address. While there is no known prior art that associates a physical location to a device's MAC address, it would be desirable to solve this problem by creating such an association.
- a further object of the present invention is to provide a method and device for uniquely assigning a physical location encoded MAC address to the device, where the MAC address is encoded by an external interface to the device.
- Yet another object of the current invention is to provide a method and device for uniquely assigning a physical location encoded MAC address to the device, where a data link medium is Ethernet, and a corresponding Ethernet address is the same as the encoded MAC address.
- a further object of the current invention is to provide a method and device for uniquely assigning a physical location encoded MAC address to the device, where the data link medium is any medium which currently exists or may be developed for communication at the Data Link Layer, and the corresponding data link medium address is the same as the encoded MAC address.
- An even further object of the current invention is to provide a method and device for determining the physical location of any of a plurality of interconnected devices for the purpose of testing, diagnostics, program loading and monitoring the devices in a massively parallel system.
- a method for uniquely assigning a MAC address to a device which comprises: configuring device interconnections to encode the MAC address to a physical location of the device; using the encoded MAC address as a unique Ethernet address; using the wiring to encode a predetermined number of unique bits in the MAC address; assigning the predetermined number of unique bits to a value representing hardware device coordinates, such as rack number, midplane number, card number, and chip number to the device physical location.
- Fig. 1 shows the physical layout of the hardware environment of the present invention
- Fig. 2 shows the compute node interconnections through an Ethernet switch
- Fig. 3 shows the prior art MAC address byte structure
- Fig. 4 shows the MAC address byte structure of the present invention.
- Fig. 5 shows an example of physical address encoding on a mounting surface of the present invention.
- An aspect of this invention applies to an external Ethernet based network.
- a preferred embodiment of this invention encodes a physical location of a node in the Ethernet "MAC" hardware address which is assigned through a combination of the particular Rack containing the Node, the particular midplane containing the node, and the particular node-card containing the node.
- every Ethernet packet sent by the supercomputer to the host machine uniquely identifies the physical location of the node generating the packet and allows that information to be used to track problems to specific nodes in the machine.
- Another aspect of this invention can also uniquely identify a geographical location as part of the physical location.
- each network addressable chip on the card represents one of a plurality of compute nodes 205.
- the predetermined number of bits needed to represent the physical location of any node is 18 bits.
- the number of bits is derived by multiplying the locations as follows:
- Fig.2 shows the network environment in which the compute nodes 205 communicate using switch 210 for Ethernet data link 215. Under these conditions, the 48 bit Ethernet MAC address is well suited for carrying the physical location information. As shown in Fig. 3, the 48 bit MAC address is broken down into a most significant part (MSP) 305 and a least significant part (LSP) 310.
- MSP most significant part
- LSP least significant part
- MSP 310 is 08005 A for IBM.
- the LSP 310 is allocated for serial numbers.
- the MSP 405 is still reserved for the manufacturer identification, e.g. IBM.
- the LSP is now allocated as a physical location descriptor 410.
- the physical location descriptor may define a device location such as the location of compute node 205, by rack, midplane, card and chip as described above.
- the example physical location descriptor 410 is shown to have a 7 R bit field to identify a rack number, a 1 m bit field to identify a midplane, a 6 a bit field to identify a card number, and a 4 h bit field to identify a computing device number.
- a 7 R bit field to identify a rack number
- a 1 m bit field to identify a midplane
- a 6 a bit field to identify a card number
- 4 h bit field to identify a computing device number.
- a preferred aspect of the present invention uses a hard wired programming technique to encode physical location, such as shown in the example in Fig. 5. It should be noted that while wiring is discussed and shown here, any means of configuring device interconnections, such as optoelectronic means, for example, may be employed within the scope of the present invention.
- a mounting surface 510 e.g., a midplane has a slot connector 515 with connections 513 going to either a positive voltage, N c0 511 or ground 512. In this manner, the voltage levels may be used to encode a predetermined number of bits corresponding to the physical topology of the interfaces. In a similar fashion, the card could be wired to encode a chip position number for each chip, i.e., node on the card.
- system level wiring connecting the racks together could be configured to encode a rack number that gets propagated through the midplane, and on to the card.
- rack level wiring is configured to encode a midplane number
- midplane wiring is configured to encode a card number.
- card level wiring could be configured to identify, i.e., encode a compute node number.
- EEPROM electrically erasable programmable read-only memory
- An alternative technique for entering the physical location encoding bits into the device or node would be to program the physical location encoded MAC address for each node by using that node's IEEE 1149.1 JTAG interface.
- a JTAG-compliant device such as any of compute nodes 205 is achieved by utilizing a host computer, such as for example, a hardware controller that has a connection to a JTAG-compliant card containing the compute nodes 205.
- the JTAG-compliant devices, e.g., compute nodes must connect to all flash memory address, data and control signals.
- Flash memory does not need to be JTAG-compliant for this programming method to function.
- the host computer sends commands and data to the JTAG-compliant device, e.g., any of compute nodes 205, then propagates the data to the flash memory for programming. In this manner, the host computer provides a communication link with any of the compute nodes 205 for accomplishing the physical location encoding of the MAC address.
- the JTAG capabilities of a preferred environment of this invention are discussed in the provisional application 60/271,124 which has been incorporated by reference herein.
- a MAC address transmitted by a connected device as described above may be interrogated by switches, network monitors, and host computers to determine the exact physical location of the device. This capability provides for improved management, diagnostics and debug functionality of the parallel computing system. Additionally, when TCP/IP addresses are assigned, such as in a system running the Dynamic Host Configuration Protocol (DHCP), the TCP/IP address becomes an equally valid indicator of the device location.
- DHCP Dynamic Host Configuration Protocol
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002568152A JP3790744B2 (en) | 2001-02-24 | 2002-02-25 | Ethernet ™ addressing through physical location of massively parallel systems |
DE60236510T DE60236510D1 (en) | 2001-02-24 | 2002-02-25 | FOR SOLID PARALLEL SYSTEMS |
AU2002252085A AU2002252085A1 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
IL15750702A IL157507A0 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
KR1020037010824A KR100620833B1 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
US10/469,003 US20040083293A1 (en) | 2002-02-25 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
AT02721138T ATE469501T1 (en) | 2001-02-24 | 2002-02-25 | ETHERNET ADDRESSING VIA PHYSICAL POSITION FOR MASSIVE PARALLEL SYSTEMS |
CA2436395A CA2436395C (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
EP02721138A EP1402386B1 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
ES02721138T ES2346409T3 (en) | 2001-02-24 | 2002-02-25 | ETHERNET ADDRESS THROUGH THE PHYSICAL LOCATION FOR MASSIVELY PARALLEL SYSTEMS. |
PCT/US2002/005570 WO2002069096A2 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
CNB028054458A CN1288576C (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massive parallel systems |
IL157507A IL157507A (en) | 2001-02-24 | 2003-08-21 | Ethernet addressing via physical location for massively parallel systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27112401P | 2001-02-24 | 2001-02-24 | |
US60/271,124 | 2001-02-24 | ||
PCT/US2002/005570 WO2002069096A2 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002069096A2 true WO2002069096A2 (en) | 2002-09-06 |
WO2002069096A3 WO2002069096A3 (en) | 2002-10-17 |
Family
ID=68463257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/005570 WO2002069096A2 (en) | 2001-02-24 | 2002-02-25 | Ethernet addressing via physical location for massively parallel systems |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1402386B1 (en) |
JP (1) | JP3790744B2 (en) |
KR (1) | KR100620833B1 (en) |
CN (1) | CN1288576C (en) |
AT (1) | ATE469501T1 (en) |
AU (1) | AU2002252085A1 (en) |
CA (1) | CA2436395C (en) |
DE (1) | DE60236510D1 (en) |
ES (1) | ES2346409T3 (en) |
IL (2) | IL157507A0 (en) |
WO (1) | WO2002069096A2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8167591B1 (en) | 2008-05-19 | 2012-05-01 | Sorensen Duane A | High pressure air pump with reciprocating drive |
US8325743B2 (en) | 2007-03-29 | 2012-12-04 | Fujitsu Limited | Relay apparatus, relay program, relay method, and management system for managing devices connected to network |
CN112631986A (en) * | 2020-12-28 | 2021-04-09 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Large-scale DSP parallel computing device |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101001263B (en) * | 2006-01-09 | 2010-11-24 | 中兴通讯股份有限公司 | Method for configuring MAC address at each node in inner exchange network |
JP5309688B2 (en) * | 2008-05-19 | 2013-10-09 | 日本電気株式会社 | Slot type CPU device |
KR102468686B1 (en) * | 2017-01-17 | 2022-11-22 | 한국전자통신연구원 | Method for assigning ip automatically for distribute storage system in large-scale torus network and apparatus using the same |
JP7014395B2 (en) * | 2017-03-27 | 2022-02-15 | 株式会社NejiLaw | Relative rotation suppression structure, relative movement suppression structure, relative movement suppression body of screw body |
TWI652926B (en) * | 2017-12-25 | 2019-03-01 | 緯創資通股份有限公司 | A server management system that can generate a plane position map of the rack |
CN111600970B (en) * | 2020-04-09 | 2022-08-09 | 南瑞集团有限公司 | Method and system for stably controlling device program centralized downloading |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956665A (en) | 1996-11-15 | 1999-09-21 | Digital Equipment Corporation | Automatic mapping, monitoring, and control of computer room components |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5964872A (en) * | 1996-03-15 | 1999-10-12 | Novell, Inc. | Method and system for tailoring common environments |
US5835725A (en) * | 1996-10-21 | 1998-11-10 | Cisco Technology, Inc. | Dynamic address assignment and resolution technique |
US6223149B1 (en) * | 1998-05-28 | 2001-04-24 | 3Com Corporation | Non-distributed LAN emulation server redundancy method |
US6285967B1 (en) * | 1998-10-22 | 2001-09-04 | Dell Usa, L.P. | Troubleshooting computer systems during manufacturing using state and attribute information |
JP4482236B2 (en) * | 1998-11-02 | 2010-06-16 | エアバイクイティー インコーポレイテッド | Geospatial Internet Protocol Addressing |
JP2001282655A (en) * | 2000-03-28 | 2001-10-12 | Canon Inc | Method, device, and storage medium for network device management |
-
2002
- 2002-02-25 AT AT02721138T patent/ATE469501T1/en not_active IP Right Cessation
- 2002-02-25 ES ES02721138T patent/ES2346409T3/en not_active Expired - Lifetime
- 2002-02-25 CN CNB028054458A patent/CN1288576C/en not_active Expired - Fee Related
- 2002-02-25 CA CA2436395A patent/CA2436395C/en not_active Expired - Lifetime
- 2002-02-25 WO PCT/US2002/005570 patent/WO2002069096A2/en active Application Filing
- 2002-02-25 JP JP2002568152A patent/JP3790744B2/en not_active Expired - Fee Related
- 2002-02-25 EP EP02721138A patent/EP1402386B1/en not_active Expired - Lifetime
- 2002-02-25 IL IL15750702A patent/IL157507A0/en unknown
- 2002-02-25 KR KR1020037010824A patent/KR100620833B1/en not_active IP Right Cessation
- 2002-02-25 DE DE60236510T patent/DE60236510D1/en not_active Expired - Lifetime
- 2002-02-25 AU AU2002252085A patent/AU2002252085A1/en not_active Abandoned
-
2003
- 2003-08-21 IL IL157507A patent/IL157507A/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956665A (en) | 1996-11-15 | 1999-09-21 | Digital Equipment Corporation | Automatic mapping, monitoring, and control of computer room components |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8325743B2 (en) | 2007-03-29 | 2012-12-04 | Fujitsu Limited | Relay apparatus, relay program, relay method, and management system for managing devices connected to network |
US8167591B1 (en) | 2008-05-19 | 2012-05-01 | Sorensen Duane A | High pressure air pump with reciprocating drive |
CN112631986A (en) * | 2020-12-28 | 2021-04-09 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Large-scale DSP parallel computing device |
CN112631986B (en) * | 2020-12-28 | 2024-04-02 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Large-scale DSP parallel computing device |
Also Published As
Publication number | Publication date |
---|---|
EP1402386A2 (en) | 2004-03-31 |
EP1402386B1 (en) | 2010-05-26 |
DE60236510D1 (en) | 2010-07-08 |
EP1402386A4 (en) | 2009-06-24 |
CA2436395A1 (en) | 2002-09-06 |
CN1493039A (en) | 2004-04-28 |
JP2004533139A (en) | 2004-10-28 |
WO2002069096A3 (en) | 2002-10-17 |
IL157507A0 (en) | 2004-03-28 |
ES2346409T3 (en) | 2010-10-15 |
ATE469501T1 (en) | 2010-06-15 |
JP3790744B2 (en) | 2006-06-28 |
IL157507A (en) | 2010-04-15 |
AU2002252085A1 (en) | 2002-09-12 |
CN1288576C (en) | 2006-12-06 |
KR20030074837A (en) | 2003-09-19 |
CA2436395C (en) | 2011-07-12 |
KR100620833B1 (en) | 2006-09-13 |
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