[Vortex] Compression of payload

[Jens Alfke]

On 30 Mar '08, at 8:11 AM, Robert M. Münch wrote:

> Hi, does vortex contain anything to use compression for network  
> messages?
> If not, would it make sense to add this option?

I'm pretty certain it doesn't. I haven't seen any code related to  
compression, and it doesn't link against zlib or anything like that.

Compression would be a good option for larger payloads, provided they  
weren't already in a compressed format (like most graphics / audio /  
video files). I suspect it wouldn't provide any measurable benefit for  
small requests and responses, though.

It's easy enough to add it yourself. Just use zlib to compress the  
payloads, and make sure to declare a MIME type like application/zip in  
the VortexMessages you send.

Having Vortex compress automatically would be a bit problematic  
because the BEEP standard doesn't say anything about how to indicate  
that a frame is compressed. So at that level it's something that's up  
to the profile designer to specify.

—Jens
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