1
William J Bolosky, Gerald Cermak, Atul Adya, John R Douceur: On-disk file format for a serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, May 9, 2006: US07043637 (137 worldwide citation)

A file format for a serverless distributed file system is composed of two parts: a primary data stream and a metadata stream. The data stream contains a file that is divided into multiple blocks. Each block is encrypted using a hash of the block as the encryption key. The metadata stream contains a ...


2
John R Douceur, Marvin M Theimer, Atul Adya, William J Bolosky: Locating potentially identical objects across multiple computers based on stochastic partitioning of workload. Microsoft Corporation, Lee & Hayes PLLC, January 17, 2006: US06988124 (101 worldwide citation)

Potentially identical objects (e.g., files) are located across multiple computers based on stochastic partitioning of workload. For each of a plurality of objects stored on a plurality of computers in a network, a portion of object information corresponding to the object is selected. The object info ...


3
Atul Adya, Paramvir Bahl, Ranveer Chandra, Lili Qiu: Collaboratively locating disconnected clients and rogue access points in a wireless network. Microsoft Corporation, Wolf Greenfield & Sacks P C, January 8, 2008: US07317914 (83 worldwide citation)

Methods are described for using collaboration of neighboring wireless devices to enable location of disconnected wireless devices and rogue wireless access points. A central server computes the locations of the neighboring clients and uses those locations to estimate the location of a disconnected c ...


4
Atul Adya, William J Bolosky, Gerald Cermak, John R Douceur, Marvin M Theimer, Roger P Wattenhofer: Serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, June 13, 2006: US07062490 (76 worldwide citation)

A serverless distributed file system manages the storage of files and directories using one or more directory groups. The directories may be managed using Byzantine-fault-tolerant groups, whereas files are managed without using Byzantine-fault-tolerant groups. Additionally, the file system may emplo ...


5
William J Bolosky, Gerald Cermak, Atul Adya, John R Douceur: On-disk file format for a serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, July 15, 2008: US07401220 (60 worldwide citation)

A file format for a serverless distributed file system is composed of two parts: a primary data stream and a metadata stream. The data stream contains a file that is divided into multiple blocks. Each block is encrypted using a hash of the block as the encryption key. The metadata stream contains a ...


6
William J Bolosky, Gerald Cermak, Atul Adya, John R Douceur: On-disk file format for a serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, August 19, 2008: US07415608 (54 worldwide citation)

A file format for a serverless distributed file system is composed of two parts: a primary data stream and a metadata stream. The data stream contains a file that is divided into multiple blocks. Each block is encrypted using a hash of the block as the encryption key. The metadata stream contains a ...


7
Atul Adya, Sanjay Agrawal, Surajit Chaudhuri, Vivek R Narasayya: Index tuner for given workload. Microsoft Corporation, Watts Hoffmann Fisher & Heinke Co A, July 24, 2001: US06266658 (48 worldwide citation)

An index tuning wizard produces a fast and reasonable recommendation identifying database indexes to use given a specified workload. A query optimizer is used to determine the expected usefulness of potential indexes for the specified workload by taking cost of queries in the workload into account. ...


8
Miguel Oom Temudo de Castro, Atul Adya, John R Douceur, William J Bolosky: Secure recovery in a serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, September 23, 2008: US07428751 (44 worldwide citation)

Systems and methods for secure file writes after a catastrophic event are allowed over an unauthenticated channel in a serverless distributed file system if an authenticator accompanies the secure file writes. The authenticator can be a power-of-attorney certificate with time limitations, a vector o ...


9
William J Bolosky, Gerald Cermak, Atul Adya, John R Douceur: On-disk file format for a serverless distributed file system. Microsoft Corporation, Lee & Hayes PLLC, May 26, 2009: US07539867 (40 worldwide citation)

A file format for a serverless distributed file system is composed of two parts: a primary data stream and a metadata stream. The data stream contains a file that is divided into multiple blocks. Each block is encrypted using a hash of the block as the encryption key. The metadata stream contains a ...


10
John R Douceur, Atul Adya, William J Bolosky, Marvin M Theimer: Encrypted key cache. Microsoft Corporation, Lee & Hayes PLLC, December 27, 2005: US06981138 (35 worldwide citation)

A file that has been encrypted using a symmetric key and that has a corresponding access control entry with the symmetric key encrypted using the public key of a public/private key pair can be accessed. An encrypted key cache is also accessed to determine whether an access control entry to symmetric ...