Спутник технологический. Horus. [Редактировать]

КА Horus, массой 4 кг, созданн специалистами Ливерморской национальной лаборатории на базе платформы Colony II CubeSat Bus, разработанной компанией Boeing для Национального разведывательного управления США. С его помощью предполагается опробовать методики слежения за космическим мусором и провести ряд других экспериментов. Спутник имеет и другое название – STARE-B (Space-Based Telescopes for Actionable Refinement of Ephemeris-B).

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - США
2Страна производитель - США

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг4

Информация об удачном запуске

#ХарактеристикаЗначение
1Космодром Уоллопс
2Дата пуска2013-11-20
3Полезная нагрузка 1xKySat-2
4Полезная нагрузка 1xSTPSat-3
5Полезная нагрузка 1xPrometheus 1A
6Полезная нагрузка 1xPrometheus 1B
7Полезная нагрузка 1xPrometheus 2A
8Полезная нагрузка 1xPrometheus 2B
9Полезная нагрузка 1xPrometheus 3A
10Полезная нагрузка 1xPrometheus 3B
11Полезная нагрузка 1xPrometheus 4A
12Полезная нагрузка 1xPrometheus 4B
13Полезная нагрузка 1xHorus
14Полезная нагрузка 1xORSES
15Полезная нагрузка 1xORS Tech 1
16Полезная нагрузка 1xORS Tech 2
17Полезная нагрузка 1xSENSE 1
18Полезная нагрузка 1xSENSE 2
19Полезная нагрузка 1xH2 sat
20Полезная нагрузка 1xDragonSat-1
21Полезная нагрузка 1xNPS-SCAT
22Полезная нагрузка 1xFirefly
23Полезная нагрузка 1xSPA-1
24Полезная нагрузка 1xChargerSat
25Полезная нагрузка 1xLunar
26Полезная нагрузка 1xCOPPER
27Полезная нагрузка 1xBlack Knight-1
28Полезная нагрузка 1xSwampSat
29Полезная нагрузка 1xCAPE-2
30Полезная нагрузка 1xTJ3Sat
31Полезная нагрузка 1xPhoneSat 2.0
32Ракета-носитель 1xМинотавр 1

Найдено 213 документов по запросу «Horus». [Перейти к поиску]


Дата загрузки: 2017-03-09
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... used the obvious names —Hathor, Horus, Anub is, Sekh met — but... the hearthrug, with Horus sprawled across her lap. Horus was the largest... with us to Egypt, as Horus did now; but Ramses had... solid and surly bulk of Horus helped anchor Nefret to one.... You too, Ramses. Nefret, put Horus on his lead." Since it... him and Horus sprawled insolently across the remaining space. Horus put up... reclined on the divan with Horus across her feet; he was... Horus, he appears to be in a particularly evil mood this evening." Horus... fled from the room, carrying Horus. Finding he could not get... he would have taken it, Horus bit his finger. From Manuscript... getting on other persons' nerves. Horus always got on everyone else... the poor horse was nervous. Horus must have been there the... Nefret, who had to detach Horus claw by claw before she...'s meant to be Horus, I suppose. The young Horus, defender of his father...." Nefret folded the tissue around Horus, defender of his father, and... that turned out to be Horus. He had been lying or... stumbled over Horus. They swore at one another, and Horus came, limping... a royal title and a name. The Horus Netcherkhet." "Zoser," said Cyrus. "Third... the Carnarvon Tablets and to Horus, who had been shut in... who was the embodiment of Horus, with the god in shadowy... he took an interest since Horus had fathered the kittens of... by the bulky shape of Horus, who w as han gin g ov... gin with. Nefret had put Horus on the floor by the... heavily upon the tail of Horus, who had, I am convinced, spread... the rents in her skirts, Horus stormed out of the room.... Ramses was laughing; affronts to Horus generally cheered him up. "Well... there's no one here but Horus and he's not a very sympathetic..., the massive, brindled form of Horus emerged from behind a potted plant.... If a cat's jaw could drop, Horus's did. He stopped dead in... attempt to make friends with Horus. Several of us moved at... child and Nefret lunged for Horus. A scene of utter pandemonium ensued... the beast countermanded one another; Horus slipped through Nefret's hands, bit... addressed Horus in a soft cooing voice. "Come to Nefret, bad Horus. Did... and say hello. Good boy, Horus ..." The wretched beast did not... file, but it was unquestionably Horus's best attempt at a purr. "Good... corrected. "Peabody, do you think—" Horus flopped over onto his back... and reached for the cat. Horus remained as unresponsive and as... grabbed hold of one of Horus's prominent ears and tugged. "Gently... was explaining to Emerson that Horus was only vicious with adult... over your coat." He had. Horus had not only broken the... removed to the nursery, and Horus had been, with even greater... cat, it seems," she remarked. "Horus is lost to me." "In... forward to sharing quarters with Horus. He hates me." "He hates... spoon to his left hand. Horus had bit his right thumb... that hour for many years. Horus came with them. He squatted... in triumph by the nurse. Horus got up and went after... had never been fond of Horus either. "A bit longer than was... the name of the god Horus. He sat hunched and unmoving... replied. "She couldn't call him Horus, since that repellent cat had... name." "It means Horus of the Horizon," I explained. "Horus was a solar deity... flowers, and the floor, and Horus. When she saw Ramses she... look pretty. "Do you think Horus looks pretty when he is... same spoon you put in Horus's mouth." She was a distraction and... of the table — one of Horus's offerin gs, I presume d. I made the...



Дата загрузки: 2016-12-29
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... TECHNOLOGIES are registered trademarks of Horus Vision, LLC and may not... manner without express permission from Horus Vision, LLC. SECOND SHOT, TACTICAL... TARGETING SOLUTIONS are trademarks of Horus Vision, LLC and may not... without express permission from Horus Vision, LLC. Horus Vision software products and... manner without express permission from Horus Vision, LLC. A wide variety of... and ballistics (“Horus Vision systems”) are exclusively owned by Horus Vision, LLC... use of the Horus Vision systems requires a license from Horus Vision, LLC... on obtaining a license, please contact Horus Vision, LLC. Nothing contained herein... to use any Horus Vision, LLC intellectual property. © 2006 Horus Vision, LLC... reserved FOR INFORMATION OR SALES Horus Vision LLC 659 Huntington Ave....com Contents Page Disclaimer ……………………………………………………………………. 1 Horus Vision Reticle ………………………………………………………… 2 Horus Reticles (Model 1000 Series) ………………………………………. (A general description and specification of the Horus Reticle and what the Horus Reticle does.) 9 Limit... up the Horus System ……………………………………………… 24 How to Use the Horus Reticle ……………………………………………… 25... get going right away) 29 Horus overview of popular cartridges ……………………………………… 30... El Niño. So be careful! 1 HORUS VISION RETICLE The firearm innovation... with confidence at extended ranges. Horus Vision is a bold jump into... reticle, and patented software. The Horus Reticle is an optically precise... windage lines located on the Horus targeting grid are numbered. The... to the target is critical, Horus Reticle features a range finder calibrated... great benefits of combining the Horus Reticle with high quality optics... is different. To appreciate the Horus Reticle’s full potential, you must... performance, not empty claims. The Horus Reticle allows the tactical rifleman.... When superior optics and the Horus Reticle are combined, a lethal long... from constant usage. With the Horus Vision Reticle the rifleman can... correction feature of the Horus Reticle. The Horus Vision sighting system has... use today. “Dennis Sammut” of Horus Visioin, LLC, has invented a smart... hour. The “System” consists of a Horus Vision riflescope, a Palm PDA with... that directly correlates to the Horus Vision reticle. That number may... when your turrets are clicking”. 5 HORUS VISION TEST OF ECONOMICS For... of the above considerations? 1. The Horus system is fast and easy... range under any conditions. 2. The Horus system is totally interchangeable with.... Therefore, a Horus trained shooter can pick any rifle with the Horus system... are encountered at mixed ranges, Horus gives the shooter the tools... & Bender … just to name a few. Horus is a target aiming system that... and Horus has delivered. 6 7 8 HORUS RETICLES for MILITARY AND POLICE 9 SPECIFICATIONS Horus Reticle....0 cm @ exactly 100 meters The Horus Reticle is uniquely engineered to... without any mechanical adjustments. The Horus Reticle is user friendly: 1. The... 18 The Horus Vision® H-36TM Reticle SPOTTING SCOPE RETICLE The Horus Vision... rifleman. Range Finding with the Horus Vision® H-36 TM Reticle requires... 1st shot, the H-36 TM Horus Reticle® features a unique non-mathematical... proper line to hold-on. Horus Vision also offers specialized software.... Adjust for windage. Shoot. 29 HORUS OVERVIEW OF POPULAR CARTRIDGES Target... point data computed by the Horus TRAG1S5 desktop software that is..., we recommend our PALM software, Horus ATRAG, allowing “real time” data... range finder. Depending on the Horus Reticle you selected, the range... Factor) For speed and simplicity, Horus Vision recommends the “MIL-DOT... Shot Correction 48 WIND The Horus Reticle has a uniform targeting grid... program in combination with the Horus Reticle allows the rifleman to... to the rifleman’s position. The Horus Reticle’s uniform targeting grid allows... 55 Second-Shot Correction The Horus Reticle features a unique method for... Correction ™ A “HORUS” FIRST - A UNIQUE INNOVATION THAT GIVES THE OPERATOR USING A HORUS SCOPE...: You miss your first shot. Horus allows you to accurately correct... using identical rifles equipped with a Horus Scope/ Reticle are engaging an... the range of a target, the Horus Reticle increases the probability of... master snap shooting employing the Horus Reticle out to a range of.... Once estimating distance and the Horus Reticle is mastered, you can...... 59 60 61 USING THE HORUS SIGHTING SYSTEM ® TO INTERCHANGEABLY SHOOT... A RIFLE EQUIPED WITH A SUPRESSOR: The Horus Sighting System® gives the precision... for the entry team. The Horus Sighting System® gives precision tactical... scope. The ability of the Horus Sighting System® to instantly and... Hill 175gr match 308 Winchester). Horus Vision highly recommends using a 100... this is used in the Horus Vision® ATRAG™ PDA Computer’s ballistics... ELEVATION AND WINDAGE KNOBS. Many Horus Vision Sighting System users actually... will be made using the Horus Sighting System’s targeting grid. The... now successfully zeroed your rifle’s Horus Vision Sighting System to use...



Дата загрузки: 2017-03-10
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... schemes of today, such as Horus. Categories and Subject Descriptors C.2.1 [Network... hardware, RADAR, Place Labs and Horus [4, 6, 8] explored the feasibility of using... WiFi APs. While RADAR and Horus both rely on signal calibration... no worse than RADAR or Horus. We call our proposal PinLoc... is comparable to RADAR or Horus – we mounted a laptop on a Roomba... under mobile/dynamic environments, outperforming Horus [4], the most accurate RSSI based... may still be an issue. Horus [4], for example, incurs 4m mean... compare PinLoc with a modified Horus algorithm. The original Horus algorithm [4] interpolates RSSI... provide a fair comparison, we modify Horus to use the same war... is consistent with equation (3) in Horus [4], where the localization metric is... points. We compare the modified Horus algorithm with PinLoc by using... 0.4 0.4 PinLoc Horus−like 0.2 0 0 0.2 8 Spots 0.6 0.6 0.2 0.2 1 14 Spots 0.8 0.8 0.6 0 0 Accuracy/ False positive PinLoc Horus−like... environment: (a) Accuracy, (b) False positive against Horus (c) Per macro-location. Figure 12... spots (Figure 12(a)), consistently outperforming Horus. The false positives (FP) are... to more than 25% in Horus (Figure 12(b)). RSSI based algorithm.... Ofcourse, PinLoc’s, as well as Horus’s, performance will improve if more... devices to generate location fingerprints. Horus [4] and LEASE [19] propose enhancements..., 2000. [4] M. Youssef and A. Agrawala. The horus WLAN location determination system. In...



Дата загрузки: 2017-01-10
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... Ways’, the bird (a hawk) represents Horus, and the ape, Thoth. See... characters in the Osiris myth (Horus and Seth) jointly operating a giant... of the two countries” whether Horus and Seth serve the churn... underworld to assist his son Horus in 35 the final battle... 37 brothers. Seth murders Osiris. Horus, the son of Osiris, then... of their union is born Horus the avenger. So once again... Egypt as kings, followed by Horus, 8 and lastly—for 3226 years... Osiris and the mother of Horus. In a passage addressed to Osiris... Sept [Sirius, the Dog Star]. Horus-Sept cometh forth from thee in the form of 38 Horus, dweller in Sept. Many interpretations... point of reminding us that Horus remained a ‘dweller in Sept’, presumably... of Heliopolis—Ra, Osiris, Isis, Horus, Set, and so on: These... the gods to rule being Horus, the son of Isis ... Mortals... (the Companions, or Followers, of Horus) who ruled until the time... well-known figures such as Horus and Anubis. In addition, other... of Osiris and mother of Horus) carries a strong whiff of the... (i.e., Ra, Shu, Geb, Osiris, Set, Horus, Thoth). 17 The Gods of...: the battles between Seth and Horus, and between Tezcatlipoca and Quetzalcoatl... transition to the reigns of Horus, Thoth and the later divine... descendants and living representatives of Horus, son of Osiris. As generation... successor to the throne became a ‘Horus’. This simple, refined, and stable..., p. 192, Utt. 519: ‘O Morning Star, Horus of the BC. Netherworld ... you... Shemsu Hor, the “Companions of Horus”. So, as I say, the problems... dating from the Companions of Horus.’ 434 Graham Hancock – FINGERPRINTS OF...



Дата загрузки: 2017-02-06
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... Reticle Spotting Scope System THE HORUS SYSTEM Model 2000 series User..., 2008. © Horus Vision. All rights reserved. FOR INFORMATION OR SALES Horus Vision... Edition January 24, 2008 © 2008 Horus Vision All Rights Reserved Table... Contents Page Disclaimer………………………………………… 1 Patent Information ……………………………….. 2 Horus Vision® Warranty ……………………….. 2 Spotting Scope Overview... H36TM Reticle ……………………………… 4 What Does the Horus TM H36 Reticle Do? ……….. 5 Specifications.... So Be Careful! 1 PATENT INFORMATION HORUS VISION® and the EYE OF... logo are registered trademarks of Horus Vision and may not be... manner without express permission from Horus Vision. SECOND SHOT, TACTICAL SOLUTIONS... TARGETING SOLUTIONS are trademarks of Horus Vision and may not be... manner without express permission from Horus Vision. Horus Vision software products and... manner without express permission from Horus Vision. A wide variety of scopes... and ballistics (“Horus Vision systems”) are exclusively owned by Horus Vision and... use of the Horus Vision systems requires a license from Horus Vision. For more specific information on obtaining a license, please contact Horus... to use any Horus Vision intellectual property. THE HORUS WARRANTY    30 day..., at the election of Horus Vision. Horus Vision is not liable for... observation, the Horus Vision Spotting Scope with the Patented Horus Vision Reticle... smaller objects, and use the Horus Vision H36 reticle to spot... is fitted with the new Horus Vision H36 Reticle. This reticle... 100 Meters. 3 The Horus Vision H36 Reticle The Horus Vision H36 Reticle... rifleman. Range Finding with the Horus Vision H36 Reticle requires no... are two ‘Grids’ on the Horus Vision H36 Reticle…(A) the Mil... Backward Inverted ‘L’. 4 What does the Horus Spotting Scope Reticle do? H36... the 1st shot, the H36 Horus Reticle features a unique non- mathematical... that is a ‘must’ is the Horus Vision spotting scope. These have... were completely dependent on the Horus Vision scopes for range calculations... the tanks main armament the Horus system could give very accurate... the H36 spotting scope reticle? Horus Vision’s current spotting scope reticle... using a riflescope equipped with the Horus Reticle or a conventional riflescope with... /or metric equivalent. H34 17 Horus Vision P.O. Box 616 Lewiston, ID...



Дата загрузки: 2016-12-29
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.... Доступно в визирных сетках Mil Dot и Horus™ H58. Mil Dot H58 FINISH... сетка Horus™ Некоторые модели Mark 4 поставляются с популярной визирной сеткой Horus™ (разработка Horus Vision). Визирные сетки Horus позволяют стрелкам на... 6,5-20x50 мм и имеющий визирные сетки Horus H27 и H58, ER/T позволяет выполнять... 24.02.13 14:01 HORUS™ СИСТЕМА ВИЗИРНОЙ СЕТКИ MIL DOT... 1mil 0.20mil Разработанная Horus Vision® система визирной сетки Horus™ является высокоточной оптической... всему миру – система визирной сетки Horus была проверена повсюду и показала высокие... Dot (без подсветки) 1 mil HORUS H37 HORUS H32 HORUS H36 представляют значение вилки... Dot (с подсветкой) Система визирной сетки Horus вытравлена на стекле передней фокальной... HORUS H27 Визирная сетка HORUS H58 детальный вид Изделия, содержащие визирные сетки Horus, изготовлены по лицензии Horus...



Дата загрузки: 2017-02-23
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.... Thus it is said that Horus (Ares), son of Hera, is... KOB – changed into a war between Horus (the second-most powerful agent... to have been the God Horus, and the leader of the...: “Ptah [a Feanorean] stopped a fight between Horus and Set: He judged between... is Su. And Geb made Horus King of Lower Egypt in...-of-the-Two-Lands”. Thus Horus stood over one region, and... Menesvi”. HorNarmer ("Fierce catfish of Horus") aka Narmer was an ancient... deposit in the temple of Horus at Hierakonpolis during the dig... of the “nursing mothers" of Horus, exploitated, meant only for milk... it was Ptah who stopped Horus and Set from fighting (by... titles “She who sees/carries Horus”, are buried in subsidiary tombs... Djer”. Thus already the BKS Horus-implanters, associated with a “human cuckoo... why Djet's Horus name means “Horus Cobra” or “Serpent of Horus”, which may... serpent, lurked “Horus”0, high agent of the BKS. Horus name was a secret...-BKS activities; though, at times, Horus could be pro-KOB, in... a legitimate king could carry the Horus name. It appears that a treachery... ascribed such activites: “Escort of Horus” and “census of cattle count... to have once again been Horus and Seth conflict, reflected in... a Sethname instead of the usual Horus-name by King Peribsen”. “In... as the actions of the Horus priesthoodxxii”. The Set animal means..., Sekhemib, or Sekhemib-Perenmaat; the Horus name of one who held... not Ninetjer. Set0 ensured that Horus and Seth were placed together... Appearxxvi", and this means that Horus and Set (a new order) combined... – who evidently were Set and Horus – ended the war by giving..., culminated by Khasekhemwy, who combined Horus and Seth above the serekh...



Дата загрузки: 2017-02-23
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...’S WEATHER METER w/HORUS® BALLISTICS 52 KESTREL HUNTER’S WEATHER METER w/ HORUS® BALLISTICS 53... Page 36 HUNTER w/HORUS Page 52 Shooter W/HORUS Page 51 Shooter W/applied.... The Kestrel Shooter’s Weather Meter w/Horus® Ballistics, with its ability to... 35 4600NV Page 45 shooter w/Horus Page 51 APPLIED BALLISTICS BLUE... 36 4500 Page 35 Shooter W/HORUS Page 51 Shooter W/applied Ballistics... Part #0846B Page 45 SHOOTER w/ HORUS® Part #0845H OLV/TAN Page... 53 HUNTER w/ HORUS® Part #0845HUOLV Page 52 SHOOTER BT w/ Horus® Part #0845HB... HUNTER BT w/ HORUS® Part #0845HUBOLV Page 52 NV NV HORUS APPLIED BALLISTICS... Data Upload Clock Ballistics Calculator HORUS Lunar Phase Predictor Wet Bulb... 49 Shooter w/Horus® Kestrel Shooter’s Weather Meter with Horus® Ballistics Make your... • Integrated Horus Ballistics targeting solutions. All the power of Horus Atrag®, without... Hunter’s Weather Meter measures with Horus® Ballistics with Wind Speed | air... Kestrel | Hunter’s Weather Meter offers Horus® Ballistics for accurate targeting Relative...



Дата загрузки: 2016-11-06
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... 45 Horus User Manual   Contents INTRODUCTION TO HORUS....................................................................................................................8 HORUS HARDWARE................................................................................................................................9 HORUS OPTIONAL CARDS...................................................................................................................11 HORUS CABLES ....................................................................................................................................17 HORUS KEY FEATURES .......................................................................................................................22 Key Specifications...............................................................................................................................................................23 Installing additional Horus..........................................28 HORUS POWER ON ...............................................................................................................................30 HORUS TOUCH SCREEN CONTROL INTERFACE..............................................................................31 Horus Menu... accessing the Horus Control interface remotely.........................................................................44 Horus Standalone Converter: .......................................................................................................................................47 Horus Converter... Recording..............................................................52 HORUS TROUBLESHOOTING...............................................................................................................57     www.merging.com/horus Page 2 Horus User Manual...     www.merging.com/horus Page 6 Horus User Manual   Horus Warranty Information This product....com/horus Page 7 Horus User Manual   INTRODUCTION TO HORUS Modular by Design Horus was....com/horus Page 8 Horus User Manual   HORUS HARDWARE FRONT PANEL BACK PANEL HORUS UNIT DESCRIPTION     www.merging.com/horus Page 9 Horus User Manual   HORUS BASE UNIT IOC-HORUS Specifications Case....merging.com/horus Page 10 Horus User Manual   HORUS OPTIONAL CARDS IOM-HORUS AD8....merging.com/horus Page 12 Horus User Manual   IOM-HORUS DA8/DA8P The....merging.com/horus Page 15 Horus User Manual   IOM-HORUS-MADM/MADS The...     www.merging.com/horus Page 16 Horus User Manual   HORUS CABLES Connecting the... damage the Horus unit.     www.merging.com/horus Page 17 Horus User Manual... damage the Horus unit.     www.merging.com/horus Page 18 Horus User Manual... damage the Horus unit.     www.merging.com/horus Page 19 Horus User Manual....com/horus Page 21 Horus User Manual   HORUS KEY FEATURES Modular analog interfacing Horus... Horus unit.     www.merging.com/horus Page 23 Horus User Manual   Installing additional Horus I/O Module Installing additional Horus....merging.com/horus Page 24 Horus User Manual   Installing additional Horus MADI Extension....merging.com/horus Page 25 Horus User Manual     3. Open the Horus top panel...     www.merging.com/horus Page 29 Horus User Manual   HORUS POWER ON Connecting... the Horus). 1. Ignite the Horus Back Panel Power Switch 2. Press the Horus Front....com/horus Page 30 Horus User Manual   HORUS TOUCH SCREEN CONTROL INTERFACE Horus Menu Hierarchy     www.merging.com/horus Page 31 Horus User... parameters of the Horus     www.merging.com/horus Page 36 Horus User Manual... the Horus unit     www.merging.com/horus Page 43 Horus User Manual   HORUS WEB... the Horus unit in question.     www.merging.com/horus Page 44 Horus User Manual   Figure 2 Horus Web Access All... Horus unit. Figure4 Horus Network Web menu The Horus embedded User Manual The Horus... Horus Embedded User Manual     www.merging.com/horus Page 46 Horus User Manual   HORUS SET UP EXAMPLES Horus Standalone...     www.merging.com/horus Page 48 Horus User Manual   Horus Converter with Pyramix...            www.merging.com/horus Page 51 Horus User Manual   Horus with Ravenna Pyramix...     www.merging.com/horus Page 52 Horus User Manual   Horus Firmware update procedure...     www.merging.com/horus Page 56 Horus User Manual   HORUS TROUBLESHOOTING How to...



Дата загрузки: 2016-12-28
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... for large datasets. Our approach, Horus, encrypts large datasets using keyed... used to access another region. Horus also reduces key management and... operators or cloud service providers. Horus requires little modification to existing..., we present a full design for Horus, describe an implementation and its..., and give a thorough performance discussion. Horus provides fine-grained encryption-based... the same HPC nodes. Furthermore, Horus confines the server-side key... nodes doing file I/O. In 1 Private 2 Horus communication. is the god of... file remains safe. Deployment of Horus is straightforward because only small... first describes the design of Horus. We then discuss the implementation.... In the BTIO Class C benchmark, Horus write performed much better than... Compute node node node node Horus Horus KDS Horus KDS KDS network MDS... I/O nodes and/or MDS. The Horus key distribution servers are shown...] described an initial design for Horus, which uses a keyed hash tree... from other nodes. 3 System Design Horus employs a simple client-server model... barrier to intrusions. 3.1 Key calculation Horus uses KHTs to derive unique... algorithm has computational advantages. In Horus, a client node can be given... example, in our prototype implementation, Horus works on block level and... card information stored in a database, Horus can encrypt each record by... key k. decryption using key k. the Horus key calculation operation. a metadata server... application must then prepare the Horus 11th USENIX Conference on File... node. The application stores this Horus configuration in a lockbox in the... (2). First, the KDS obtains the Horus configuration EKU KDS (KR ), BS... stateless. File root keys in Horus must be protected carefully— disclosure... compromises the entire file— so, Horus uses lockboxes [25, 19] to... metadata or as files. If Horus is implemented as a client library...) code. 3.5 Client implementation Ideally, the Horus client functions should be implemented... Technologies (FAST ’13) USENIX Association Horus can easily be implemented as... key. For write access, however, Horus alone cannot prevent unauthorized clients... We have implemented a prototype of Horus. The KDS is implemented as... intercepts POSIX I/O system calls. The Horus configuration is stored in file... of security impractical for HPC. Horus’s ability to prevent disclosure to... encrypted file systems, data in Horus is vulnerable to threats such... and weaknesses in encryption algorithms. Horus is also vulnerable to attacks... all encrypted storage systems. However, Horus is more resistant to stolen... the high scalability of our Horus design. 5.2 KHT branch and depth... a Horus KHT configuration for different applications. The flexible configuration of Horus can... client, the flexible configuration of Horus can balance the computation resources... 7(a) illustrates the read performance of Horus. The read operation with AES...”. In the best case of Horus labeled “Horus read”, when only one... line in the figure labeled “Horus read w/o Aggr” shows the performance... at merely 12 MB/s. Comparatively, “Horus read” has a 533% performance improvement... 64 keys in advance (labeled “Horus read w/o Aggr (prefetch)”), the performance... performance of Horus read. This shows the efficiency of Horus over current... writing, Horus write’s performance was on par with non-Horus raw AES... cases, this is because the Horus overhead was negligible comparing to... “Horus w/o Aggr” and “Horus” include AESXTS encryption/decryption. The na¨ıve “Horus w/o Aggr... 250 ext4+AES read Horus read Horus read w/o Aggr Horus read w/o Aggr (prefetch... 50 0 ext4+AES write Horus write Horus write w/o Aggr Horus write w/o Aggr (prefetch...). 80 100 PVFS2 PVFS2+AES Horus w/o Aggr Horus I/O bandwidth (MB/s) I/O bandwidth (MB... 20 0 80 PVFS2 PVFS2+AES Horus w/o Aggr Horus 60 40 20 0 4 9 16... We tested the I/O performance of Horus using the IOR [20], benchmark...%. For reads, Figure 9(a) shows that Horus has about 20% overhead in..., IOR benchmark results showed that Horus is highly scalable and had... Horus (level-6) Horus (level-7) Horus w/o Aggr 1400 1200 I/O Bandwidth MB/s PVFS2 PVFS2+AES Horus (level-6) Horus (level-7) Horus... varied from 20% to 50%. Horus, when properly configured, accounts for... process sensitive data. Our design, Horus, provides such fine-grained security... are compromised. By keeping the Horus KDC as an independent component... also simplifies the deployment of Horus because the changes to the..., gathering a lot of range keys. Horus uses encryption and unavoidably would... files, Horus’s scalable key management and delegation capability are beneficial. Horus can... performance evaluation have demonstrated that Horus is a versatile and light-weight... solutions. The performance overhead of Horus is small because KHTs provide... in large-scale HPC storage, Horus can greatly improve storage security.... [28] R. Rajendran, E. L. Miller, and D. D. E. Long. Horus: Fine-Grained Encryption-Based Security...