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Cloud computing is mainly storing and accessing data in the Internet instead of the hard disk of your computer. With an online connection, cloud computing can be done anywhere. Google Cloud Dataflow, the successor to the much acclaimed MapReduce service, is a managed service that enables the android developers to create data pipelines that analyze data in both batch and streaming modes. MapReduce was processing the massive data sets using distributed computing. But now MapReduce stands outdated.
Google has introduced cloud dataflow which will give you actionable insights from your data. There are no problems regarding deploying, maintaining or scaling infrastructure. Google cloud monitoring system will assist you to discover and fix strange behaviour of your application stacks. Constant error showing in app engine module and sluggish query times from cassandra database with minimal configuration, will be solved by Cloud Monitoring.
Google Cloud Messaging (GCM) was a replacement for Cloud to Device Messaging (C2DM). With GCM, app developers can develop their mobile apps on devices and web browsers and can get easy communication whatever be the location or kind of network. With this android platform API, sending and receiving push notifications are possible. Thus GCM is a boon to every android app developer. Server application for google cloud messaging can be written in both Java and PHP. GCM is a lone file application in PHP. You can put it in Apache.
GCM android app prerequisites are google play services in SDK, Google APIs, Google Play Services Lib project as Android dependency, Google Project ID and Register/login with a Google account in the AVD.
App developers can use google cloud messaging as a notification engine. Unlike a send-to-sync message, notification of up to 4 kb of payload can be sent to an android app. The app will get this message from google cloud messaging server. Now with the new feature Return receipts, you can be sure that a message is sent to a device. For this upstream messaging is to be used.