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Cleversafe Assigned Eight Patents

Dispersed storage network

Dispersed storage network location information of HTML file
Cleversafe, Inc., Chicago, IL, has been assigned a patent (8,707,393) developed by Gary W. Grube, Barrington Hills, IL, and Timothy W. Markison, Mesa, AZ, for “providing dispersed storage network location information of a hypertext markup language file.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method begins by a dispersed storage (DS) processing module of a domain name system (DNS) server receiving, from a client, a request regarding dispersed storage network (DSN) location information of a hypertext markup language (HTML) file. The method continues with the DS processing module searching a DNS table for an entry regarding the HTML file based on information of the request. When the entry is found, the method continues with the DS processing module ascertaining the DSN location information regarding a plurality of sets of encoded data slices, wherein the HTML file is encoded using a DS error coding function to produce the plurality of sets of encoded data slices and wherein the plurality of sets of encoded data slices is stored in a DSN. The method continues with the DS processing module outputting the DSN location information to the client. “

The patent application was filed on April 18, 2012 (13/450,055).ya Anand.

Updating memory devices in dispersed storage network
Cleversafe, Chicago, IL, has been assigned a patent (8,707,105) developed by Gary W. Grube, Barrington Hills, IL., and Timothy W. Markison, Mesa, AZ, for “updating a set of memory devices in a dispersed storage network.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method begins by a processing module determining a memory usability indication for a set of memory devices, wherein the set of memory devices stores data as first dispersed storage error coded data using first dispersed storage error coding parameters. The method continues with the processing module comparing the memory usability indication to a memory usability level threshold. The method continues with the processing module adding one or more memory devices to the set of memory devices to produce an updated set of memory devices when the memory usability indication compares unfavorably to the memory usability level threshold. The method continues with the processing module storing the data as second dispersed storage error coded data using second dispersed storage error coding parameters in the updated set of memory devices.”

The patent application was filed on Oct. 4, 2011 (13/252,410).

Reconfiguring storage in multiple dispersed storage networks
Cleversafe, Chicago, IL, has been assigned a patent (8,707,088) developed by Jason K. Resch, Chicago, IL, Gary W. Grube, Barrington Hills, IL, and Timothy W. Markison, Mesa, AZ, for “reconfiguring storage in multiple dispersed storage networks.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ” A method begins by a processing module determining access performance to copies of dispersed storage encoded data, wherein the copies of the dispersed storage encoded data are stored in a set of a plurality of dispersed storage networks (DSNs). The method continues with the processing module modifying the set of the plurality of DSNs based on the access performance and the desired access performance level to produce a modified set of the plurality of DSNs when the access performance is not at a desired access performance level. The method continues with the processing module, for a new DSN of the modified set of the plurality of DSNs, determining error coding dispersal storage parameters based on local data retrieval accesses allocated to the new DSN and facilitating the new DSN storing another copy of the dispersed storage encoded data.

The patent application was filed on May 11, 2011 (13/105,118).

Obfuscating data stored in dispersed storage network
Cleversafe, Chicago, IL, has been assigned a patent (8,683,231) developed by Gary W. Grube, Barrington Hills, Ill., and Timothy W. Markison, Mesa, AZ, for the “obfuscating data stored in a dispersed storage network.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method begins by a processing module dispersed storage error encoding secret data in accordance with first dispersed storage error encoding parameters to produce at least one set of encoded secret slices and dispersed storage error encoding data in accordance with second dispersed storage error encoding parameters to produce a plurality of sets of encoded data slices. The method continues with the processing module determining an inter-dispersing function for outputting the sets of encoded secret slices and the plurality of sets of encoded data slices, and for a set of the plurality of encoded data slices: identifying at least one encoded data slice of the set of encoded data slices based on the inter-dispersing function, replacing the at least one encoded data slice with at least one encoded secret slice to produce a mixed set of encoded slices, and outputting the mixed set of encoded slices.”

The patent application was filed on Dec. 1, 2011 (13/309,432).

Accessing secure data in dispersed storage system
Cleversafe, Chicago, IL, has been assigned a patent (8,689,354) developed by Gary W. Grube, Barrington Hills, IL, and Timothy W. Markison, Mesa, AZ, for a “method and apparatus for accessing secure data in a dispersed storage system.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method begins by a processing module receiving, from a user device, a request to access secure data, wherein the request includes a user identification code and at least one object name for the secure data. The method continues with the processing module processing the request to determine a security level associated with the user device and to determine security parameters associated with the secure data. The method continues with the processing module determining a level of access to the secure data based on the security level associated with the user device and the security parameters. The method continues with the processing module retrieving a set of encoded data slices from dispersed storage units, wherein the set of encoded data slices includes less than a reconstruction threshold number of encoded data slices and generating a response that includes the set of encoded data slices when the level of access is a partial access level.

The patent application was filed on June 9, 2010 (12/797,165).

Modifying storage in response to detection of memory system imbalance
Cleversafe, Chicago, IL, has been assigned a patent (8,688,949) developed by Jason K. Resch, Chicago, Gary W. Grube, Barrington Hills, IL, and S. Christopher Gladwin, Chicago, IL, for “modifying storage in response to detection of a memory system imbalance.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method begins by a processing module determining an imbalance between inode memory utilization and data storage memory utilization. When the imbalance compares unfavorably to an imbalance threshold, the method continues with the processing module determining whether the inode memory utilization is out of balance with respect to the data storage memory utilization or whether the data storage memory utilization is out of balance with respect to the inode memory utilization. When the inode memory utilization is out of balance with respect to the data storage memory utilization, the method continues with the processing module transferring a set of data objects from a data object section to a data block section and transferring object mapping information of the set of data objects into block mapping information for the set of data objects.

The patent application was filed on Jan. 4, 2012 (13/343,405).

Streaming media software interface to dispersed storage network
Cleversafe, Chicago, IL, has been assigned a patent (8,694,668) developed by Greg Dhuse, and S. Christopher Gladwin, Chicago, IL, for “streaming media software interface to a dispersed storage network.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A client computer streams a digital media presentation from a dispersed data storage network including a plurality of slice servers. A dispersed data storage network access component streams data directly from the dispersed data storage network and passes data to a media player, also residing on the client computer.

The patent application was filed on May 13, 2011 (13/107,040).

Data distribution utilizing unique read parameters in dispersed storage system
Cleversafe, Chicago, IL, has been assigned a patent (8,667,371) developed by Gary W. Grube, Barrington Hills, IL, and Timothy W. Markison, Mesa, AZ, for “data distribution utilizing unique read parameters in a dispersed storage system.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A centralized DVR includes a dispersed storage error encoding module, storage nodes, and a distribution module. The dispersed storage error encoding module encodes a broadcast of data in accordance with an error coding dispersal storage function to produce a plurality of sets of encoded data slices, which is stored in the storage nodes. For a first playback request, the distribution module determines a first unique combination and retrieves, as a first unique copy of the broadcast data from the storage nodes, encoded data slices of the plurality of sets of encoded data slices in accordance with the first unique combination. For a second playback request, the distribution module determines a second unique combination and retrieves, as a second unique copy of the broadcast data from the storage nodes, encoded data slices of the plurality of sets of encoded data slices in accordance with the second unique combination.”

The patent application was filed on April 25, 2013 (13/870,138).

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