RE: draft-irtf-nmrg-snmp-tcp-08.txt
"Wijnen, Bert (Bert)" <[email protected]>
| Newsgroups | gmane.ietf.eos |
|---|---|
| Message-ID | <A451D5E6F15FD211BABC0008C7FAD7BC0DFA7B03@nl0006exch003u.nl.lucent.com> |
Thanks. I agree. see also below I will now put revision 09 on IESG agenda for approval to publish Experimental RFC. Bert > -----Original Message----- > From: Juergen Schoenwaelder [mailto:[email protected]] > Sent: Monday, May 27, 2002 10:27 AM > To: [email protected] > Cc: [email protected]; [email protected] > Subject: Re: draft-irtf-nmrg-snmp-tcp-08.txt > > > > >>>>> Wijnen, Bert (Bert) writes: > > Bert> Mmm.. I think I see what bothered me. In RFC1905 it says > Bert> "request-response transaction" which makes me think about a > Bert> transaction that sends a request and gets back a response. > > Bert> In the snmp-tcp doc I see request/response transaction where I > Bert> thought about a request transaction or a response transaction. I > Bert> guess the / confes (confuses) me. If you mean the same as in > Bert> 1905, then I am fine with it. Are there others who would confuse > Bert> the slash (/) to mean "or" ?? > > The updated ID uses request-response instead of request/response > and so I consider the problem solved. > great! > Bert> - sect 2.2 last para Does this have an impact on FRAMEWORK-MIB? > Bert> Or how does it relate to that? Might be good to explain. > >> I have no idea why you think the message size affects the > >> SNMP-FRAMEWORK-MIB. > >> > Bert> Since we do specify snmpEngineMaxMessageSize in that MIB. And > Bert> you use MUST language. Now the snmpEngineMaxMessageSize says: > > Bert> DESCRIPTION "The maximum length in octets of an SNMP > Bert> message which this SNMP engine can send or receive and process, > Bert> determined as the minimum of the maximum message size values > Bert> supported among all of the transports available to and supported > Bert> by the engine. " > > Bert> So if I have a UDP socket where I do not want fragmentation, > Bert> then maybe I want to set MaxMessageSize to 1472. But for TCP I > Bert> MUST set if it to 8191 if I read your text correctly, so the > Bert> 1472 is no longer valid according to the description clause. > Bert> Maybe I am just worrying too much here? > > The intention is to say that every SNMP over TCP implementation must > be able to accept or generate messages of a size of 8192 bytes. This > does in my view not really affect snmpEngineMaxMessageSize since it is > defined "as the minimum of the maximum message size values supported > among all of the transports available". So in your example, the value > of snmpEngineMaxMessageSize would be 1472. > > Still, an application which uses SNMP over TCP can rely on 8192 bytes > since this is what the SNMP over TCP transport mapping guarantees you. > > Can you agree with this? > Yep, after re-reading the description clause once more, I see what you say and agree. Bert > /js > > -- > Juergen Schoenwaelder <http://www.informatik.uni-osnabrueck.de/schoenw/>