Re: [Tsvwg] SCTP stream EOF

[Michael Tüxen <[e-mail]>]

On Sep 17, 2008, at 3:49 PM, Florian Niederbacher wrote:

> Hi,
> I would ask what are you thinking about a definition for an EOF on  
> streams in SCTP. My problem is that I would need a signaling method  
> to report an EOF without closing the whole SCTP association. If I am  
> right, socket connections get only an EOF if the connection will be  
> closed (no sending of EOF on socktes in another way is possible). In  
> draft-stewart-tsvwg-sctpstrrst-00 the possibility the reset of  
> streams is discussed. This would also be a solution if you can check  
> the numbering sequence in User Space.
Using the stream reset ID, you could this. There is currently no  
socket API defined for it
in an ID, but it seems to be a good idea to get a notification on the  
receiver side.
>
> A proposal would be to generate an SCTP_EVENT e.g. SCTP_STREAM_EOF  
> to signal EOF on streams. In this way you can stop receiving and  
> also reuse the stream or at least continue in multi-streamed network  
> applications, if you use different threads or processes for the  
> receiving procedure on streams. Maybe an other possibility exists to  
> signal an EOF on SCTP streams, but at the moment I can't find any  
> solution to deal with this problem. What are your proposals and  
> comments?
As said above, sctp reset with a notification should do it...
>
>
> Best regards
> Florian Niederbacher