US 11,892,919 B1Granted

Zero downtime and zero failure cutover

AssigneeIntuit Inc.

InventorsSnezana Sahter, Shivam Dixit, Akash Sudhirbhai Shah, Satyanarayana Thirumani, Saroj Kumar Yadav, Karan Bagaria, Gokul Sarangapani, Sivaraman Sathyamurthy

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Abstract

An apparatus may include a database and a processor in communication with at least one network. The processor may be configured to instantiate an application stack comprising a data missing detector, a data source router, and a response handler. The data missing detector may be configured to receive a request for data and determine whether the data is available from the database. The data source router may be configured to identify an alternate database from which to obtain the data when the data is not available from the database and route the request for data through the at least one network to an alternate processor associated with the alternate database. The response handler may be configured identify responsive data to a routed response received from another processor in the database and send the responsive data to a requesting device. Multiple apparatuses may form a distributed system.

Claims18

Dependent claims

A system comprising:

a plurality of databases;
and
a plurality of processors in communication with one another through at least one network, each respective processor of the plurality of processors being associated with a separate respective database, of the plurality of databases, that is an assigned database for the respective processor, each respective processor being configured to instantiate a respective application stack of a plurality of application stacks, each respective application stack comprising:
a data missing detector configured to:
receive a request for data, and
determine whether the data is available from the assigned database for the respective processor;
a data source router configured to:
identify an alternate database of the plurality of databases from which to obtain the data in response to the data missing detector determining that the data is not available from the assigned database for the respective processor,
route the request for data through the at least one network to an alternate processor of the plurality of processors associated with the alternate database, and
receive a routed response from another of the plurality of processors;
and
a response handler configured to:
identify responsive data to the routed response in the assigned database for the respective processor, and
send the responsive data to a requesting device.

11 more elements

An apparatus comprising:

a database;
and
a processor in communication with at least one network and associated with the database, the processor being configured to instantiate an application stack comprising:
a data missing detector configured to:
receive a request for data, and
determine whether the data is available from the database;
a data source router configured to:
identify an alternate database available through the at least one network from which to obtain the data in response to the data missing detector determining that the data is not available from the database,
route the request for data through the at least one network to an alternate processor associated with the alternate database, wherein the request is routed with loopback protection data, the loopback protection data being configured to prevent the alternate processor from routing the request to the processor, and
receive a routed response from another processor;
and
a response handler configured to:
identify responsive data to the routed response in the database, and send the responsive data to a requesting device.

10 more elements

Dependencies are inferred from the claim text.