Invention Grant
- Patent Title: Routing to obtain user data in a geographically distributed data storage environment
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Application No.: US16781316Application Date: 2020-02-04
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Publication No.: US11112978B2Publication Date: 2021-09-07
- Inventor: Mikhail Danilov , Yohannes Altaye
- Applicant: EMC IP Holding Company LLC
- Applicant Address: US MA Hopkinton
- Assignee: EMC IP Holding Company LLC
- Current Assignee: EMC IP Holding Company LLC
- Current Assignee Address: US MA Hopkinton
- Agency: Amin, Turocy & Watson, LLP
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F3/06 ; G06F9/30 ; G06F13/00 ; G06F13/28

Abstract:
The described technology is generally directed towards obtaining data, such as corresponding to a read request, from a geographic zone which may not be the zone that owns the data. When a request for data (e.g., a data segment) is received by a zone that does not own the requested data, the zone evaluates statistical data to determine whether it is more efficient to obtain the requested data directly from the zone that owns the data, or indirectly from one or more zones that contain related data from which the requested data can be reconstructed. If the indirect route is deemed sufficiently more efficient, the reconstruction data (e.g., counterpart segments) are obtained, and processed into the requested data, e.g., by XOR-ing the counterpart data segments into the requested data segment for returning to the client.
Public/Granted literature
- US20210240360A1 ROUTING TO OBTAIN USER DATA IN A GEOGRAPHICALLY DISTRIBUTED DATA STORAGE ENVIRONMENT Public/Granted day:2021-08-05
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