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- From: Michael Tuexen <Michael.Tuexen AT micmac.franken.de>
- To: Pablo Resende <pabloresende AT yahoo.com>
- Cc: discussion AT sctp.de
- Subject: Re: [SCTP-Discussion] Question abaut default values
- Date: Wed Sep 13 21:22:01 2006
- List-id: SCTP Discussions <discussion.sctp.de>
Hi Pablo,
see my comments in-line.
Best regards
Michael
On Sep 6, 2006, at 1:50 AM, Pablo Resende wrote:
Hi list,Section 2.30 of RFC 4460 says:
I have some question about default values in SCTP.
What is the default value to initial cwnd? Is it set
to 2 MTU’s of 1500 bytes each or it depends of
implementation?
o The initial cwnd before DATA transmission or after a
sufficiently long idle period MUST be set to
min(4*MTU, max (2*MTU, 4380 bytes)).
So for a MTU of 1500 bytes it becomes 4380 bytes.
That is what RFC 2960 recommends.
The destination address is declared unreachable if the
Destination Error count exceeds a threshold. It is the
default value 5?
That is what RFC 2960 recommends.
The peer is declared unreachable when Association
Error count exceeds a threshold, thus the peer is
marked as unreachable and the association is torn
down. Is it the default value 8?
Thanks,
Pablo Resende
Brazil
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- [SCTP-Discussion] Question abaut default values, Pablo Resende, 09/06/2006
- Re: [SCTP-Discussion] Question abaut default values, Michael Tuexen, 09/13/2006
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