[infinispan-dev] Topology Id in Hotrod header

[Galder Zamarreño]

On Jul 15, 2010, at 7:08 PM, Mircea Markus wrote:

> Hi,
> 
> The header for a request is composed of: 
> 
> Magic	Message Id	Version	Opcode	Cache Name Length	Cache Name	Flags	Client Intelligence	Topology Id
>  
>  
> We send "Topology Id " even if the client is not topology aware. Wouldn't it be more effective to only expect it if the client's intelligence is 02 or 03 and not send it otherwise?

I think doing things like this starts to complicate protocol parsing. Having optional fields that are present or not depending of contents is complicating things, particularly when we're talking about the header which is common to everyone.

> 
> Cheers,
> Mircea   
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--
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache