[Sbs] SRS update by Jessie Twigger

Ole Hansen ole at jlab.org
Wed Jul 2 12:09:00 EDT 2014


My recommendation: Before you reinvent the wheel, just use TCP. Everyone
else does, unless they really, really know what they are doing.

Ole

On 07/02/2014 12:06 PM, Alexandre Camsonne wrote:
> We will have a dedicated board for that. But yes I need to look if there
> are any handshaking and error protocols.
> We will figure that out since I am starting to look at the data transfer
> part.
> 
> Alexandre
> 
> On Jul 2, 2014 12:03 PM, "Ole Hansen" <ole at jlab.org
> <mailto:ole at jlab.org>> wrote:
> 
>     On page 3: "data transfer via UDP"
> 
>     That worries me. UDP is by definition "unreliable", i.e. dropped packets
>     are not detected. Even if you allow packet loss, you wouldn't be able to
>     determine dead time, for example. Is there any sort of handshake for
>     data transfers, or do the front ends just send and forget?
> 
>     Just some thoughts.
> 
>     Ole
> 

-- 
Jens-Ole Hansen <ole at jlab.org> +1-757-269-7627
Staff Physicist
Jefferson Lab, Suite 4, Room 12/C107
12000 Jefferson Avenue, Newport News, VA 23606, USA

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