Google Cloud Messaging vs RabbitMQ: What are the differences?
What is Google Cloud Messaging? Simple and reliable messaging to reach over a billion devices. Google Cloud Messaging (GCM) is a free service that enables developers to send messages between servers and client apps. This includes downstream messages from servers to client apps, and upstream messages from client apps to servers.
What is RabbitMQ? A messaging broker - an intermediary for messaging. RabbitMQ gives your applications a common platform to send and receive messages, and your messages a safe place to live until received.
Google Cloud Messaging belongs to "Mobile Push Messaging" category of the tech stack, while RabbitMQ can be primarily classified under "Message Queue".
Some of the features offered by Google Cloud Messaging are:
- Versatile Messaging Targets: Distribute messages to your client app in any of three ways — to single devices, to groups of devices, or to devices subscribed to topics.
- Downstream Messaging: For purposes such as alerting users, chat messaging or kicking off background processing before the user opens the client app, GCM provides a reliable and battery-efficient connection between your server and devices.
- Upstream Messaging: Send acknowledgments, chats, and other messages from devices back to your server over GCM’s reliable and battery-efficient connection channel.
On the other hand, RabbitMQ provides the following key features:
- Robust messaging for applications
- Easy to use
- Runs on all major operating systems
"Free" is the top reason why over 6 developers like Google Cloud Messaging, while over 203 developers mention "It's fast and it works with good metrics/monitoring" as the leading cause for choosing RabbitMQ.
RabbitMQ is an open source tool with 5.95K GitHub stars and 1.78K GitHub forks. Here's a link to RabbitMQ's open source repository on GitHub.
According to the StackShare community, RabbitMQ has a broader approval, being mentioned in 941 company stacks & 551 developers stacks; compared to Google Cloud Messaging, which is listed in 18 company stacks and 8 developer stacks.
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