Chapter 5. Reliable Sessions, Transactions, and Queues

In This Chapter


When we build out systems and networks, we look at availability in 9s, as in 99.9xx. No one thinks it realistic that software, hardware, or the network will be available 100% of the time. Ironically, one of the key challenges of developing connected systems is connectivity itself.

In practical terms, sometimes this is the result of the network leaving us—network connectivity and hardware have temporary or extended outages. Other times, it’s a case of us leaving the network—moving ...

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