There are a number of ways of delivering data in real-time but until recently it has looked like PubSubHubbub, with the backing of Google, was going to be the preferred method. However, the past couple of weeks have seen a couple of interesting developments which could indicate that the developer community may actually prefer HTTP Streaming.
According to software engineer Stein Magnus Jodal, the developer behind the open-source music server, Mopidy, online music streaming company Spotify poorly managed its libspotify SDK and APIs, resulting in broken hardware and software applications that relied on the Spotify platform.
Continuing our series on push technologies, part three looks at WebSockets and how they are appropriate for when you need a server-to-client real time interactive exchange. Part three discusses what you can do with WebSockets and how it differs from other push technologies.