Re: [HACKERS] Re: inet/cidr/bind
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Re: inet/cidr/bind |
Дата | |
Msg-id | 199810201653.MAA08173@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] Re: inet/cidr/bind (Paul A Vixie <paul@vix.com>) |
Список | pgsql-hackers |
> > > There is an argument for another, completely separate type, called MACADDR, > > > which is an IEEE 48-bit address (suitable for ethernet or fddi arp tables). > > > > Nothing to do with our current discussion, right? You are just mentioning > > it for completeness and we shall never speak of it again, or at least not > > till after 6.4? > > I'd thought that the fellow who wrote ip_and_mac had already submitted the > MACADDR type. If not, then clearly it is way too late to consider it for 6.4. > >From psql's \dT command: macaddr |MAC address inet |IP address > > > ... -- has anybody got a specific application they want to build which > > > requires a CIDR-like host address which is of fixed size, has the ability > > > to preserve the "unset"-ness of the prefix length from input through > > > storage to output, and also has the ability to preserve a particular prefix > > > length from input through storage to output? > > > > Radius server for Ascend terminal servers. > > Is there no way to accomplish this without efficiency loss using a pair of > IHOSTs, one for the host address and one for the netmask? > > I note that polymorphism of the supernet/subnet tests between (a) and (b) as > denoted in the top of the text I've quoted in this message is a lot more work > than the inherent polymorphism of supernet/subnet tests between an INET and > an IHOST as I've proposed them here. I can't comment on the rest of this, because I don't understand it. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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