8.1 Transactionality and recovery8.2 Data integrity8.3 Timeouts8.4 CPU / Cost8.4.1 Command overhead8.4.2 Justification for additional processing8.5 Resources8.5.1 Threadsafe considerations8.5.2 Managing MXT and TRANCLASS8.6 Testing8.6.1 Testing that uses a single REST client8.6.2 Testing that uses multiple REST clients8.7 Skills8.8 Conclusion