[jboss-as7-dev] Add Notification support to the domain management API

[Heiko Braun]

SSE are asynchronous, but unidirectional. Whereas websockets are asynchronous and bidirectional.

Enabling push through SSE,  clients could use a combination of request/response for the main communication (i.e. execution of operations, reading the model contents, etc) and SSE for the notifications .

Using websockets we could move all client communication to one paradigm. But do we need it?

Currently have cases where clients keep polling for system state changes (i.e. server restart, deployments, etc). Typically the things that take some time to complete. So I am wondering if these cases could benefit from an asynchronous bidirectional communication channel. But I guess this depends on how the DC processes management operations and if asynchronous responses would fit into the picture. 


/Heiko


On Feb 26, 2013, at 6:37 PM, David M. Lloyd <david.lloyd at redhat.com> wrote:

> I don't know, it seems like overkill.  I think 
> http://html5doctor.com/server-sent-events/ is probably a better option 
> than web sockets or polling as it is supported in the browser with a 
> simple API and doesn't require a lot of complex server-side support.

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