NRTM proposal
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Lu, Ping
PLu at cw.net
Tue Mar 12 18:32:57 CET 2002
I believed we are talking about two different things: In your scenario: Your client has a different serial number than RIPE's one. let's say it goes like this, RIPE:123 YOURS:111 RIPE:124 YOURS:111 (filter out) RIPE:125 YOURS:112 RIPE:126 YOURS:112 (filter out) RIPE:127 YOURS:112 (filter out) RIPE:128 YOURS:113 RIPE:129(for some reason it is lost) YOURS:113 RIPE:130 YOURS:113 (filter out) RIPE:131 YOURS:114 How can you tell there is something missing ? Also next time the client restart which serial number is it going to use ? Our scenario: The client maintain the same serial number as RIPE's. RIPE:123 OURS:123 RIPE:124 OURS:124 (dummy update) RIPE:125 OURS:125 RIPE:126 OURS:126 (dummy update) RIPE:127 OURS:127 (dummy update) RIPE:128 OURS:128 RIPE:129(for some reason it is lost) OURS:128 (client detect mismatch stop here) I want to stop discussion about different scenarios and just limit this to the current NRTM practice: NRTM server and client maintain the same serial numbers. Best Regards. Ping Lu Cable & Wireless USA Network Tools and Analysis Group W: +1-703-292-2359 E: plu at cw.net > -----Original Message----- > From: Arnd Vehling [mailto:av at nethead.de] > Sent: Tuesday, March 12, 2002 10:35 AM > To: Lu, Ping > Cc: 'Andrei Robachevsky'; Bjorn Danielsson; db-beta at ripe.net; > 'db-wg at ripe.net'; Dieken, Chris; Beaumont, Dave; Resh, Stephanie; Phil > Syskes > Subject: Re: NRTM proposal > > > "Lu, Ping" wrote: > > > me wrote.. > > > To be more precise. The data is up to date if the highest > > > serial number > > > on the mirror server matches the highest serial number on > the client. > > > > > Exactly. That's why the client can't just ignore any > private object. It will > > need to do a dummy update to advance the serial numbers. > > Nope. The only thing which the client really needs to know is > the highest > serial > number _he_, the client, did process. > > If the highest serial number internal to the datastructure of > the client > matches the one of the mirror source is of no concern. > > Please keep in mind that i can write a mirror client which > doesnt needs to > have the same structure as the ripe-db and therefore may very > well miss > a "serial" number like the ripe-server has. > > best regards, > > Arnd > -- > > NetHead Network Design and Security > Arnd Vehling av at nethead.De > Gummersbacherstr. 27 Phone: +49 221 8809210 > 50679 Cologne, Germany Fax : +49 221 8809212 >
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