Google Inc.

Infiswift Technologies, Inc.

Jayendran Srinivasan

Ryan Tyler Cairns

Paul Allan Covell

Chris Brian Sosa

Sumit Gwalani

Glenn Wilson

Mark Larson

Saravanan Thulasingam

Venkatesa Prasannaa Selvaraj

Methods for bridging computers functioning as Publish/Subscribe brokers are provided to build a distributed cluster for scalability by enabling publishers to connect to one broker and subscribers to that publisher to connect to a different broker. In one aspect, a method includes listening to an internal bridge port on one broker for receiving bridge connections from other brokers in the cluster, and in parallel, connecting to the internal bridge ports of each of the other brokers in the cluster, waiting for all such incoming and outgoing bridge connections to be completed, and then opening up the external port for serving actual clients. The method also includes creating separate bridges for each direction of traffic to make the broker code completely symmetric and also supporting the creation of an arbitrary number of bridge connections between each pair of brokers for each direction to reduce latency.

Method for bridging publish/subscribe brokers for guaranteed low-latency delivery

Methods for returning a computing system to a previous state are provided. In one aspect, a method includes loading a second system state of a second operating system partition, and receiving a request to return to a first system state of a first operating system partition while operating in a second system state of the second operating system partition. The method also includes loading the first system state of the first operating system partition. Systems and machine-readable media are also provided.

User initiated data rollback using operating system partitions

Methods for scheduling data download requests for a device are provided. In one aspect, a method includes assigning to a device a first wait period of a random length below a first pre-determined maximum value, and receiving a notification that data is available for download to the device. The method also includes determining whether an amount of time elapsed since the data was made available for download to the device exceeds the first wait period, and when the determination indicates that the amount of time elapsed since the data was made available for download exceeds the first wait period, downloading the data available for the device. Systems and machine-readable media are also provided.

Automatic update distribution for managed devices

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Milpitas, CA, United States of America

Jayendran Srinivasan