Hi all, As you know when using PUB/SUB model the order of arrival of messages at SUB-side cannot be garantueed and generally speaking, the SUB will receive messages out of order. This is a well known problem, see e.g.: https://cloud.google.com/pubsub/docs/ordering
My question is: in case in the SUB you need strict time ordering, are you aware of any good C++ implementation of a reordering queue? I used for other purposes moodycamel's queue ( http://moodycamel.com/blog/2013/a-fast-lock-free-queue-for-c++) which is thread-safe but it does not perform time-reordering. Thanks! Francesco
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