Re: Clarification on recent comments as to ISOC being in charge of Internet
Einar Stefferud <Stef@nma.com> Thu, 28 October 1993 22:23 UTC
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To: ietf-osi-x400ops@cs.wisc.edu, Richard Colella <colella@osi.ncsl.nist.gov>
Cc: AIKEN@ccc.nersc.gov, pays@faugeres.inria.fr
Subject: Re: Clarification on recent comments as to ISOC being in charge of
Internet
In-Reply-To: ietf-osi-x400ops message of "Wed,
27 Oct 1993 07:59:09 PDT." <931027075909.218197e9@CCC.NERSC.GOV>
Reply-To: Stef@nma.com
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From: Einar Stefferud <Stef@nma.com>
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Date: Thu, 28 Oct 1993 11:19:21 -0700
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Hi All -- I do not recall making this statement. > . as said by Stef, is there any law preventing an operator to > avoid a network service falldown by advising against > offending products? I will only agree with it in the context of a specific ADMD or PRMD guarding its own QoS. Certainly each ADMD operator has so far found it important to certify interoperability, and each has set up certification programs for this purpose. No one that I know of has objected to any ADMD (or PRMD) doing this as an individual action. Also, in the US, the NIST has attempted to register claims of interoperability, which would appear to provide some of what we are seeking, but I am not sure this has become terribly productive as yet. Richard Collella can speak to this. He will be at Houston. I would expect PRMD operators to do the same for their own protection. So, I expect that it will be fine for any PRMD to announce in public which systems with which they will be willing to exchange X.400 mail. I would also map all this over to the SMTP Internet, though we do not have ADMD and PRMD entities per se in SMTPland. We do however have corporate enclaves which can and should exercise some control over their SMTP systems and the gateways there-to. We also have Commercial EMail Service Providers (who are also ADMD Operators) who should be just a fussy with their SMTP as with their X.400 (as I see it), but who often are not. As I have noted in other places, The Internet is not a Service Provider! The Internet is a Marketplace, containing Vendors and Customers who share access to each other via "public" thoroughfares, which in our Internet case are provided by the interconnected IP service providers, who are funded by their customers. A big difference that I keep pointing out between an Internet full of mail exchangers, and the X.400 model of ADMD service providers providing all the interconnections between PRMD service providers, is that in the Internet, both ends are responsible for assuring that their ends, including their IP service providers, are performing properly to provide good IP service to the backbone (soon to be NAP based). The other end is responsible for the other half of any connection. This is very different from the PTT model where the 3rd party ADMD claims a major role in the EMail interconnection, and talks a lot about QoS and Service Level Agreement enforcement, and sort of implies that they provide end-to-end delivery. Of course, we know they cannot deliver end-to-end service if they are dumping mail off to a PRMD! So, in the Internet, we only have peer pressure. What might be a good approach would be for Postmasters to monitor performance of interconnecting SMTP servers and notify poor performers of their lack of measured quality. They can also notify their own users about why certain other EMail domains/sites are not providing good service. We all know about certain domains where MSMail or cc:MAIL gateways are badly misbehaving. Postmasters might do well to post such information on local BBoards so that users can tell their correspondents about it, and stimulate local pressures on the other end to get things fixed. Surely no one can sue me to reporting to them the measured results of Email transfer transactions. The reports might even identify the software that is failing on the reported connections. I suspect that any postmaster worthy of the name will respond by doing something about a continuous stream of low quality reports. Just as I would expect an ADMD to do in the face of the same thing. Of course, there are and always will be, postmasters who are not worthy of the name;-). Cheers...\Stef