ZeroMQ

Preface

Part 1: Learning to Work with ØMQ
1. Basics
-Fixing the World
-Audience for This Book
-Getting the Examples
-Ask and Ye Shall Receive
-A Minor Note on Strings
-Version Reporting
-Getting the Message Out
-Divide and Conquer
-Programming with ØMQ
-Why We Needed ØMQ
-Socket Scalability
-Upgrading from ØMQ v2.2 to ØMQ v3.2
-Warning: Unstable Paradigms!

2. Sockets and Patterns
-The Socket API
-Messaging Patterns
-Handling Errors and ETERM
-Handling Interrupt Signals
-Detecting Memory Leaks
-Multithreading with ØMQ
-Signaling Between Threads (PAIR Sockets)
-Node Coordination
-Zero-Copy
-Pub-Sub Message Envelopes
-High-Water Marks
-Missing Message Problem Solver

3. Advanced Request-Reply Patterns
-The Request-Reply Mechanisms
-Request-Reply Combinations
-Exploring ROUTER Sockets
-The Load-Balancing Pattern
-A High-Level API for ØMQ
-The Asynchronous Client/Server Pattern
-Worked Example: Inter-Broker Routing

4. Reliable Request-Reply Patterns
-What Is “Reliability”?
-Designing Reliability
-Client-Side Reliability (Lazy Pirate Pattern)
-Basic Reliable Queuing (Simple Pirate Pattern)
-Robust Reliable Queuing (Paranoid Pirate Pattern)
-Heartbeating
-Contracts and Protocols
-Service-Oriented Reliable Queuing (Majordomo Pattern)
-Asynchronous Majordomo Pattern
-Service Discovery
-Idempotent Services
-Disconnected Reliability (Titanic Pattern)
-High-Availability Pair (Binary Star Pattern)
-Brokerless Reliability (Freelance Pattern)
-Conclusion

5. Advanced Publish-Subscribe Patterns
-Pros and Cons of Publish-Subscribe
-Pub-Sub Tracing (Espresso Pattern)
-Last Value Caching
-Slow Subscriber Detection (Suicidal Snail Pattern)
-High-Speed Subscribers (Black Box Pattern)
-Reliable Publish-Subscribe (Clone Pattern)

Part 2: Software Engineering Using ØMQ
6. The ØMQ Community
-Architecture of the ØMQ Community
-How to Make Really Large Architectures
-The ØMQ Process: C4
-A Real-Life Example
-Git Branches Considered Harmful
-Designing for Innovation
-Burnout
-Patterns for Success

7. Advanced Architecture Using ØMQ
-Message-Oriented Pattern for Elastic Design
-Unprotocols
-Serializing Your Data
-Transferring Files
-State Machines
-Authentication Using SASL
-Large-Scale File Publishing: FileMQ
-Getting an Official Port Number

8. A Framework for Distributed Computing
-Design for the Real World
-The Secret Life of WiFi
-Discovery
-Spinning Off a Library Project
-Point-to-Point Messaging
-Group Messaging
-Testing and Simulation
-Distributed Logging and Monitoring
-Content Distribution
-Writing the Unprotocol
-Conclusions

9. Postface
-Tales from Out There
-How This Book Happened
-Removing Friction
-Licensing

Index