-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Chris Lonvick
Sent: Thursday, December 01, 2005 8:36 PM
To: David B Harrington
Cc: [EMAIL PROTECTED]
Subject: RE: [Syslog] #2, max message size - Need to resolve this
Hi David,
On Thu, 1 Dec 2005, David B Harrington wrote:
Hi Chris,
You have framed the question incorrectly.
That became evident when people started responding. :)
It appears that we have consensus that:
- Rainer will place a recommendation of lengths into
syslog-protocol so
that recievers will have some expectations and,
- transport documents will contain a not-to-exceed length requirement.
Thanks,
Chris
This discussion is about the "minimum maximum message
length", not the
"maximum message length". This is about "at least this big" and not
about "no bigger than".
All receivers MUST be able to handle the minimum maximum
message size
X, and it is RECOMMENDED that all receivers be able to
handle messages
of size Y, and receivers MAY choose to support sizes larger than Y.
Senders can rest assured that any standard-compliant
receiver WILL be
able to handle messages of size X, so the sender can send a
message of
that size or less and not worry about it being truncated or dropped
(so if it is a critical message, keep the message shorter than X).
Senders can rest assured that most, but not all, compliant receivers
WILL be able to handle messages of size Y, but there is a chance of
the message being truncated or dropped, so if the message
is important
but you can live with it being dropped, then keep the
message shorter
than Y, and it will usually work. Senders can try to send messages
larger than Y, but many receivers will be unable to handle such a
size.
Transport mappings may apply different constraints, but
regardless of
the transport, a compliant implementation MUST support the
transport-independent limit X, and it is RECOMMENDED that the
transport-independent limit Y be supported for improved
interoperability. If desired an implemntation MAY allow
larger sizes.
Writers of transport mappings should pay attention to these limits.
All transport mappings MUST support at least size X. If the
transport
can support size Y, then the transport mapping contraint
should be set
to no less than size Y, and for consistency with the
transport-independent recommendation, SHOULD RECOMMEND support for
size Y (rather than for size Y+1 or Y+2 or Y-7 or ...). If
a transport
mapping can handle sizes larger than Y, then the transport
mapping can
support larger messages, and MAY choose to set transport-specific
contraints larger than Y.
Is this strictly about which transport mapping is used? No,
it is not!
It establishes some standards that should be followed regardless of
the transport used, if possible - all implementations MUST support
size X, SHOULD support size Y, and MAY support larger sizes.
Dbh
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Chris Lonvick
Sent: Wednesday, November 30, 2005 2:08 PM
To: [EMAIL PROTECTED]
Subject: [Syslog] #2, max message size - Need to resolve this
Hi Folks,
We need to resolve this one. I've heard from Rainer and a very few
others. I'd like to hear from more people on this. Choose one:
__ The maximum message length needs to be defined in
syslog-protocol.
__ The maximum message length should be defined in the transport
documents.
__ I have a different idea....
Please VOTE NOW!
Thanks,
Chris
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