Trading Technologies International, Inc.

Praveen Kannan

Jeffrey S Richards

Frederick J Anguiano

A data center, DC includes applications that are controllable by one or more computing entities external to the DC. However, when the DC becomes unavailable to the computing entities, the applications are no longer controllable by the computing entities, which is undesirable. Disclosed techniques include the DC determining, based on an indication that the apps are no longer controllable by the computing entities, that the applications are to operate in a disaster recovery mode. Disclosed techniques include causing an indication that the applications at the DC are to operate in the disaster recovery mode to be communicated to applications that are already executing at the DC when the determination is made and to applications that start to execute at the DC after the determination is made. Disclosed techniques also include a further DC providing a failover for the DC.

Actions taken by an islanded data center

Techniques for determining an availability of a data center, DC, to one or more computing entities external to the DC are described. A DC may, for example, operate one or more applications which are controllable by one or more external computing entities. Disclosed techniques include determining a first status of a first set of one or more communications connections between the DC and a second DC, and a second status of a second set of one or more communications connections between the DC and a third DC. Disclosed techniques include determining an indication of the availability of the DC based on the first status and the second status. Disclosed techniques may involve taking an action responsive to determining that the DC is unavailable, for example, causing applications running at the DC to operate in a disaster recovery mode, and/or failing over functionality of the DC to a failover DC.

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Naperville, IL, United States of America

Praveen Kannan