On Jun 11, 2012, at 4:59 PM, Andy Polyakov via RT wrote:

>> This patch adds the BIO_CTRL_DGRAM_SET_DONT_FRAG option for
>> BIO_ctrl() to activate the Don't Fragment bit for the current socket,
>> if possible on the platform.
>> 
>> This a necessary feature to realize a Path MTU Discovery with
>> Heatbeats and to use SCTP over DTLS for RTCWeb (Real-time Browser to
>> Browser Communication).
> 
> Please double-check http://cvs.openssl.org/chngview?cn=22628 along with
> http://cvs.openssl.org/chngview?cn=22627. Once confirmed bss_dgram.c
> will propagate down to 1.0.2. It's hardly appropriate to go lower,
> because binaries compiled with pre-1.0.2 won't call it anyway.
Not sure I understand this... We need this to for implementing
SCTP over DTLS. Why can't we require a version of, let's say 1.0.1d
at least. But it is up to you.

Best regards
Michael
> 
> 
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