you do not have to go up and down 2.5M times/sec - unles you are batching messages. but have to take care about latency big care. btw on zeromq website is nice

you do not have to go up and down 2.5M times/sec - unles you are batching messages. but have to take care about latency big care. btw on zeromq website is nice chart latency vs. throughput - worth to have a look.