Microsoft Technology Licensing, LLC

Ankur Agrawal

Muralidhar Krishnaprasad

Balachandar Pavadaisamy

Hua-Jun Zeng

Lu Xun

Radhakrishnan Srikanth

Vipindeep Vangala

Venkata Seshu Kumar Kurapati

Hari Krishnan

Lakshmi Suresh Goduguluru

Vijay Amrit Agrawal

Gopal Krishan

Methods, systems, and computer-storage media for intelligently creating and using routing connections between on-premises servers within a client and nodes of a data center are provided. When routing connections being requested by the client are not presently established, a caching service within the data center is programmed to direct a client's cache request over available routing connections, thereby scaling out storage capacity across the data center. When routing connections being requested by the client are established, a load balancer within the data center is programmed to direct the cache request over a requested routing connection, thereby bypassing intervening hops within the data center, such as gateway nodes that host instances of the caching service. To bypass intervening hops, the client network is provided with access to a client-side routing table for identifying an appropriate network key and a connection table for identifying a routing connection mapped to the network key.

Caching service with client-enabled routing

Version indicators within an existing range can be associated with a data partition in a distributed data store. A partition reconfiguration can be associated with one of multiple partitions in the data store, and a new version indicator that is outside the existing range can be assigned to the reconfigured partition. Additionally, a broadcast message can be sent to multiple nodes, which can include storage nodes and/or client nodes that are configured to communicate with storage nodes to access data in a distributed data store. The broadcast message can include updated location information for data in the data store. In addition, a response message can be sent to a requesting node of the multiple nodes in response to receiving from that node a message that requests updated location information for the data. The response message can include the requested updated location information.

Location updates for a distributed data store

Systems and methods that supply poll based notification system in a distributed cache, for tracking changes to cache items. Local caches on the client can employ the notification system to keep the local objects in sync with the backend cache service; and can further dynamically adjust the 'scope' of notifications required based on the number and distribution of keys in the local cache. The server can maintain the changes in an efficient fashion (in blocks) and returns the changes to clients that perform the appropriate filtering. Notifications can be associated with a session and/or an application.

Poll based cache event notifications in a distributed cache

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Hyderabad Telangana, India

Ankur Agrawal