Andhika Yuana | yuana@qiscus.net
Real-time communications (RTC) is any mode of telecommunications in which all users can exchange information instantly or with negligible latency. In this context, the term "real-time" is synonymous with "live."
http://searchunifiedcommunications.techtarget.com/definition/real-time-communications
MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. It was designed as an extremely lightweight publish/subscribe messaging transport. It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.
http://mqtt.org/
to be continued . . .