Multiple wireless communication systems stream slices based on geography

• US 10,365,969 B2
• Filed: 08/25/2017
• Issued: 07/30/2019
• Est. Priority Date: 11/01/2011
• Status: Active Grant

• Current Assignee: Pure Storage, Inc.
• Original Assignee: International Business Machines Corporation
• Inventors: Grube, Gary W., Markison, Timothy W.
• Primary Examiner(s): Chase, Shelly A
• Application Number:
  US15/687,338
• Publication Number:
  US 20170357548A1
• Time in Patent Office: 704 Days
• CPC Class Codes: G06F 11/1076 Parity data used in redundant arrays of independent storages, e.g. in RAID systems
• CPC Class Codes: H04L 1/00 Arrangements for detecting or preventing errors in the information received correcting synchronisation H04L7/00
• CPC Class Codes: H04L 1/0041 Arrangements at the transmitter end
• CPC Class Codes: H04L 1/0045 Arrangements at the receiver end
• CPC Class Codes: H04L 63/08 for authentication of entities cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32
• CPC Class Codes: H04L 63/101 Access control lists [ACL]
• CPC Class Codes: H04L 67/1097 for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
• CPC Class Codes: H04W 12/02 Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
• CPC Class Codes: H04W 12/033 of the user plane, e.g. user's traffic

Abstract

A computing device includes an interface to communicate with a dispersed storage network (DSN), a memory, and a processing module. The computing device receives less than a decode threshold number of encoded data slices (EDSs) of a set of EDSs corresponding to a data object. The computing device also receives, from the second wireless communication system, at least one remaining EDS corresponding to the set of EDSs. the computing device combines the less than the decode threshold number of EDSs of the set of EDSs and the at least one remaining EDS to generate at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object. The computing device dispersed error decodes the at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object to reproduce the data segment of the plurality of data segments.

Claims

1. A computing device comprising:

an interface configured to interface and communicate with a dispersed or distributed storage network (DSN), a first wireless communication system, and a second wireless communication system;

memory that stores operational instructions; and

a processing module operably coupled to the interface and to the memory, wherein the processing module, when operable within the computing device based on the operational instructions, is configured to;

receive, from the first wireless communication system, less than a decode threshold number of encoded data slices (EDSs) of a set of EDSs corresponding to a data object, wherein the data object is segmented into a plurality of data segments, wherein a data segment of the plurality of data segments is dispersed error encoded in accordance with dispersed error encoding parameters to produce the set of EDSs, wherein a decode threshold number of EDSs are needed to recover the data segment;

receive, from the second wireless communication system, at least one remaining EDS corresponding to the set of EDSs corresponding to the data object;

combine the less than the decode threshold number of EDSs of the set of EDSs and the at least one remaining EDS to generate at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object; and

dispersed error decode the at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object to reproduce the data segment of the plurality of data segments.

2. The computing device of claim 1, wherein the processing module, when operable within the computing device based on the operational instructions, is further configured to:

receive, from the first wireless communication system, less than the decode threshold number of EDSs of another set of EDSs corresponding to the data object;

receive, from the second wireless communication system, at least one other remaining EDS of the another set of EDSs corresponding to the data object;

combine the less than the decode threshold number of EDSs of the another set of EDSs and the at least one other remaining EDS to generate another at least the decode threshold number of EDSs of the another set of EDSs corresponding to the data object;

dispersed error decode the at least the decode threshold number of EDSs of the another set of EDSs corresponding to the data object to reproduce another data segment of the plurality of data segments; and

reproduce the data object based on the data segment of the plurality of data segments that is reproduced and the another data segment of the plurality of data segments that is reproduced.

3. The computing device of claim 1, wherein:

the less than the decode threshold number of EDSs of the set of EDSs corresponding to the data object corresponds to a unique subset of EDSs of the set of EDSs corresponding to the data object and is received from a first site of the first wireless communication system; and

less than the decode threshold number of EDSs of another set of EDSs corresponding to the data object corresponds to another unique subset of EDSs of the another set of EDSs corresponding to the data object and is received from a second site of the first wireless communication system.

4. The computing device of claim 1, wherein:

the first wireless communication system includes a public wireless communication system; and

the second wireless communication system includes a private wireless communication system.

5. The computing device of claim 1, wherein:

a read threshold number of EDSs provides for reconstruction of the data segment;

a write threshold number of EDSs provides for a successful transfer of the set of EDSs from a first at least one location in the DSN to a second at least one location in the DSN;

the set of EDSs is of pillar width and includes a pillar number of EDSs;

each of the decode threshold number, the read threshold number, and the write threshold number is less than the pillar number; and

the write threshold number is greater than or equal to the read threshold number that is greater than or equal to the decode threshold number.

6. The computing device of claim 1, wherein the computing device is located at a first premises that is remotely located from at least one storage unit (SU) of a plurality of Storage units (SUs) within the DSN that distributedly store the set of EDSs.

7. The computing device of claim 1 further comprising:

a wireless smart phone, a laptop, a tablet, a personal computers (PC), a work station, or a video game device.

8. The computing device of claim 1, wherein the DSN includes at least one of a wireless communication system, a wire lined communication systems, a non-public intranet system, a public internet system, a local area network (LAN), or a wide area network (WAN).

9. A computing device comprising:

an interface configured to interface and communicate with a dispersed or distributed storage network (DSN), a first wireless communication system, and a second wireless communication system;

memory that stores operational instructions; and

a processing module operably coupled to the interface and to the memory, wherein the processing module, when operable within the computing device based on the operational instructions, is configured to;

receive, from the first wireless communication system, a plurality of unique subsets of less than a decode threshold number of encoded data slices (EDSs) per set of a plurality of sets of EDSs corresponding to a data object, wherein the data object is segmented into a plurality of data segments, wherein a data segment of the plurality of data segments is dispersed error encoded in accordance with dispersed error encoding parameters to produce a set of the plurality of sets of EDSs, wherein a decode threshold number of EDSs are needed to recover the data segment;

receive, from the second wireless communication system, at least one remaining EDS for each of the plurality of unique subsets of less than the decode threshold number of EDSs per set of the plurality of sets of EDSs corresponding to the data object;

combine EDSs from the plurality of unique subsets of less than the decode threshold number of EDSs per set of the plurality of sets of EDSs corresponding to the data object and the at least one remaining EDS for each of the plurality of unique subsets of less than the decode threshold number of EDSs per set of the plurality of sets of EDSs corresponding to the data object to generate at least the decode threshold number of EDSs for each of the plurality of sets of EDSs corresponding to the data object; and

dispersed error decode the at least the decode threshold number of EDSs of the set of EDSs for each of the plurality of sets of EDSs corresponding to the data object to reproduce the plurality of data segments to reproduce the data object.

10. The computing device of claim 9, wherein:

a first unique subset of less than the decode threshold number of EDSs per set of the plurality of sets of EDSs of the data object is received from a first site of the first wireless communication system; and

a second unique subset of less than the decode threshold number of EDSs per set of the plurality of sets of EDSs corresponding to the data object is received from a second site of the first wireless communication system.

11. The computing device of claim 9, wherein:

a read threshold number of EDSs provides for reconstruction of the data segment;

a write threshold number of EDSs provides for a successful transfer of the set of EDSs from a first at least one location in the DSN to a second at least one location in the DSN;

the set of EDSs is of pillar width and includes a pillar number of EDSs;

each of the decode threshold number, the read threshold number, and the write threshold number is less than the pillar number; and

the write threshold number is greater than or equal to the read threshold number that is greater than or equal to the decode threshold number.

12. The computing device of claim 9 further comprising:

a wireless smart phone, a laptop, a tablet, a personal computers (PC), a work station, or a video game device.

13. The computing device of claim 9, wherein the DSN includes at least one of a wireless communication system, a wire lined communication systems, a non-public intranet system, a public internet system, a local area network (LAN), or a wide area network (WAN).

14. A method for execution by a computing device, the method comprising:

receiving, from a first wireless communication system and via an interface configured to interface and communicate with a dispersed or distributed storage network (DSN), the first wireless communication system, and a second wireless communication system, less than a decode threshold number of encoded data slices (EDSs) of a set of EDSs corresponding to a data object, wherein the data object is segmented into a plurality of data segments, wherein a data segment of the plurality of data segments is dispersed error encoded in accordance with dispersed error encoding parameters to produce the set of EDSs, wherein a decode threshold number of EDSs are needed to recover the data segment;

receiving, from the second wireless communication system and via the interface, at least one remaining EDS corresponding to the set of EDSs corresponding to the data object;

combining the less than the decode threshold number of EDSs of the set of EDSs and the at least one remaining EDS to generate at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object; and

dispersed error decoding the at least the decode threshold number of EDSs of the set of EDSs corresponding to the data object to reproduce the data segment of the plurality of data segments.

15. The method of claim 14 further comprising:

receiving, from the first wireless communication system and via the interface, less than the decode threshold number of EDSs of another set of EDSs corresponding to the data object;

receiving, from the second wireless communication system and via the interface, at least one other remaining EDS of the another set of EDSs corresponding to the data object;

combining the less than the decode threshold number of EDSs of the another set of EDSs and the at least one other remaining EDS to generate another at least the decode threshold number of EDSs of the another set of EDSs corresponding to the data object;

dispersed error decoding the at least the decode threshold number of EDSs of the another set of EDSs corresponding to the data object to reproduce another data segment of the plurality of data segments; and

reproducing the data object based on the data segment of the plurality of data segments that is reproduced and the another data segment of the plurality of data segments that is reproduced.

16. The method of claim 14, wherein:

the less than the decode threshold number of EDSs of the set of EDSs corresponding to the data object corresponds to a unique subset of EDSs of the set of EDSs corresponding to the data object and is received from a first site of the first wireless communication system; and

less than the decode threshold number of EDSs of another set of EDSs corresponding to the data object corresponds to another unique subset of EDSs of the another set of EDSs corresponding to the data object and is received from a second site of the first wireless communication system.

17. The method of claim 14, wherein:

the first wireless communication system includes a public wireless communication system; and

the second wireless communication system includes a private wireless communication system.

18. The method of claim 14, wherein:

a read threshold number of EDSs provides for reconstruction of the data segment;

a write threshold number of EDSs provides for a successful transfer of the set of EDSs from a first at least one location in the DSN to a second at least one location in the DSN;

the set of EDSs is of pillar width and includes a pillar number of EDSs;

each of the decode threshold number, the read threshold number, and the write threshold number is less than the pillar number; and

the write threshold number is greater than or equal to the read threshold number that is greater than or equal to the decode threshold number.

19. The method of claim 14, wherein the computing device includes a wireless smart phone, a laptop, a tablet, a personal computers (PC), a work station, or a video game device.

20. The method of claim 14, wherein the DSN includes at least one of a wireless communication system, a wire lined communication systems, a non-public intranet system, a public internet system, a local area network (LAN), or a wide area network (WAN).