Book Image

Mastering RabbitMQ

By : Yusuf Aytas, Emrah Ayanoglu, Dotan Nahum
Book Image

Mastering RabbitMQ

By: Yusuf Aytas, Emrah Ayanoglu, Dotan Nahum

Overview of this book

RabbitMQ is one of the most powerful Open Source message broker software, which is widely used in tech companies such as Mozilla, VMware, Google, AT&T, and so on. RabbitMQ gives you lots of fantastic and easy-to-manage functionalities to control and manage the messaging facility with lots of community support. As scalability is one of our major modern problems, messaging with RabbitMQ is the main part of the solution to this problem This book explains and demonstrates the RabbitMQ server in a detailed way. It provides you with lots of real-world examples and advanced solutions to tackle the scalability issues. You’ll begin your journey with the installation and configuration of the RabbitMQ server, while also being given specific details pertaining to the subject. Next, you’ll study the major problems that our server faces, including scalability and high availability, and try to get the solutions for both of these issues by using the RabbitMQ mechanisms. Following on from this, you’ll get to design and develop your own plugins using the Erlang language and RabbitMQ’s internal API. This knowledge will help you to start with the management and monitoring of the messages, tools, and applications. You’ll also gain an understanding of the security and integrity of the messaging facilities that RabbitMQ provides. In the last few chapters, you will build and keep track of your clients (senders and receivers) using Java, Python, and C#.
Table of Contents (18 chapters)
Mastering RabbitMQ
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Messaging concepts


So far, we talked about messaging, problems solved by the message brokers, and finally, the details of the software architectures that is related or created with the message brokers. Now, we are ready to dive into the concepts of the messaging. The following screenshot describes the overall picture of messaging concepts. We have Producers, who are responsible for creation of messages; Message Brokers, who are responsible for ensuring the message sending from Producer to Consumer; Consumers, who are responsible for receiving the messages; and messages, who are the entity that will be sent and received.

Image 8: Producer, Message Broker and Consumer

Message producers

A message producer, as implied the functionality by its name, produces the messages. It just sends the message to the consumer via Message Broker. Mainly, software applications, modules, and processes form producers.

A producer doesn't have a limit for messages, so it can send a large number of messages. Moreover...