Jeff,
Where is placed overhead? Before DBR_XXX structure or after N-1
array?
Andrei.
-----Original Message-----
From: Jeff Hill [mailto:[email protected]]
Sent: Wednesday, October 08, 2003 11:42 AM
To: Liyu, Andrei; [email protected]
Subject: RE: CA; data length before TCP level
Hi Andrei,
The data payload size for an N element array will be the size of the
DBR_XXX
type plus N-1 times the size of the value field in the DBR_XXX type. The
Channel Access overhead for data payloads less than 64k bytes is 16
bytes.
The Channel Access overhead for data payloads greater than 64k bytes is
24
bytes.
Jeff
> -----Original Message-----
> From: Liyu, Andrei [mailto:[email protected]]
> Sent: Tuesday, October 07, 2003 3:26 PM
> To: [email protected]
> Subject: CA; data length before TCP level
>
> Hi,
> Example.
> Client opens CA channel to PV. PV is big array. Client is
getting
> data 100, 1000, ... Server does data packet. Data packet consists from
> - head of data has timestamps, status, severity and so on
> - array
> - additional data for connection to client computer, to client
> program, to this channel and so on.
>
> We would like to know how we may calculate exact number bytes of data
> packet before TCP level.
> Can someone explain data structure for network?
>
> Thanks, Andrei.
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