Chapter 3 covered advanced uses of ÃMQâs request-reply pattern with working examples. This chapter looks at the general question of reliability and builds a set of reliable messaging patterns on top of ÃMQâs core request-reply pattern.
In this chapter, we focus heavily on user-space request-reply patterns, which are reusable models that help you design your own ÃMQ architectures:
The Lazy Pirate pattern: reliable request-reply from the client side
The Simple Pirate pattern: reliable request-reply using load balancing
The Paranoid Pirate pattern: reliable request-reply with heartbeating
The Majordomo pattern: service-oriented reliable queuing
The Titanic pattern: disk-based/disconnected reliable queuing
The Binary Star pattern: primary backup server failover
The Freelance pattern: brokerless reliable request-reply
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