Chen Yang

Author:

Chen Ning Yang

ISBN #:

0716714078

Author:

Chen Ning Yang

ISBN #:

3110036312

US Patent:

20210144206, May 13, 2021

Filed:

Nov 13, 2019

Appl. No.:

16/683121

Inventors:

- Redmond WA, US
Chen Yang - Redmond WA, US
Raman Nagaraj Chikkamagalur - Sammamish WA, US
Ayse Nil Onalan - Kirkland WA, US
Ashutosh Agarwal - Redmond WA, US

International Classification:

H04L 29/08

Abstract:

A distributed storage system including a server is configured to accept a request including a consistency indicator that flags for the server that cross datacenter consistency is desired. The server may be required to detect the consistency indicator and in response, to determine a consistency key based at least in part on the request. In an example aspect, the consistency key may comprise a hash value determined by a hash function shared across datacenters, whereby every datacenter may determine the same consistency key for a given resource and datacenter combination. The server may be further configured to determine a preferred datacenter for handling the request based at least in part on the consistency key, and thereafter to redirect the request to the preferred datacenter. In embodiments, the consistency indicator may also denote a scope of the strong consistency required by the calling client.