This natural parse/validate activity seems natural in XML and make me wonder why this is not the case in JSON. Remember what made JSON famous: web applications with a very rich user interface written in JavaScript. JSON was perfect for that because data from the server mapped directly on JavaScript objects; hit a GET URL … Read more
There are multiple solutions (none of them are perfect) 1. Use Kaazing. They already support it. It’s open source, but they have some sort of dual license, so better to check whether you can use for your project or not. XMPP JavaScript How-To 2. Combine js.io and APE(Ajax Push Engine) APE is a Comet framework, … Read more
After hours of debugging, I eventually found the problem; as I was messing around with the configuration of my XMPP server, I had re-generated the SSL certificates for the XMPPd. Since I was using self-signed certificates, this would cause an SSL error. Because I had visited that same URI over HTTPS before, I’d already manually … Read more
The Facebook XMPP Chat API has been deprecated in v2.0 and above meaning it won’t be available after April 30th 2015. Facebook have not announced any replacement for this API, so I’d recommend not building a product which requires this functionality.
@MSalters Re ‘message queue’: RabbitMQ’s default operation is exactly what you describe: transient pubsub. But with TCP instead of UDP. If you want guaranteed eventual delivery and other persistence and recovery features, then you CAN have that too – it’s an option. That’s the whole point of RabbitMQ and AMQP — you can have lots … Read more
It depends on what you are trying to do and what hardware you are running. MQTT has very low keep-alive traffic. XMPP is a an IM protocol, and has a much, much higher overhead in handling presence messages between all the clients. If you have a small memory footprint constraint, then having to handle the … Read more
It depends what license you can use. Some popular libraries are GPL which can cause serious issues if you need to use it for work, especially if you need to keep proprietary extensions. The LGPL libraries are a little less popular, I think, but you have more flexibility with what you can use them for. … Read more
According to Wikipedia: 5222 TCP XMPP client connection (RFC 6120) Official 5223 TCP XMPP client connection over SSL Unofficial 5269 TCP XMPP server connection (RFC 6120) Official 5298 TCP UDP XMPP JEP-0174: Link-Local Messaging / Official XEP-0174: Serverless Messaging 8010 TCP XMPP File transfers Unofficial The port numbers are defined in RFC 6120 § 14.7.