Architecting the Next Generation of Communication
Jan 23, 2019
Since this needed to be real time in the case of IM or near-real-time in the case of SMS, websockets are the best way to go and a defacto standard for real-time operations on the web. For this, PubNub is a great choice since it already had a lot of the functionality baked in, such as different channels and mechanism to subscribe, send and receive on those channels.