North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: The Mathematical Reality of IP Addressin in IPv4...
> > 10010000 00000001 00000000 00000000 > > Or, in other words everyhting starting with 144.1 as the first two octets > is on the same network. > > What this proposal appears to be proposing is to permit NON-CONTIGUOUS > netmasks such as: > > 255.128.127.0 It was obvious, through the author did a lot to mascarade this simple idea amongs the heap of words -:). Just as the resume - it's not problem to use broadcast bits, it's not a problem to propose non-contiguous network masks, but (1) hosts do not know masks at all, IP address only, and (2) 99% existing routing protocols and ip forwarding software can't work with non-contiguous masks at all. But I think it is nessesary to establish some aware for the such works - when so plain idea is described by so complex way -:). > > In all reality, I think that the IP address problem is solving itself. > The majority of the customers I deal with have a SINGLE ip address for all > of their internal machines. I have actually allocated LESS space than I > have reclaimed over the past year and a half from customers who have moved > to Private Address space. To facilitate this I sell them a $250 "iGate No doubt. Using private address space + NAT decrease the address needs and (important) increase your security a lot (except, of course, L4/L7 viruses, trojans, etc... - usial student's mistake is to forgot about this levels). > Junior" which is basically a 486 with some software I've put together in > house (shameless plug). The iGate Jr. basically takes all of the inside > requests and NAT's them into a single outside address. It also takes > inbound connections for Mail and other services and routes them to the > appropriate inside box. As a result, a typical small-to-medium sized > company only needs ONE real ip address in most circumstances. JUst as I'v wrote yesterday - if you allow to assign WWW addresses (or exactly, SERVICE addresses) to the _IP:PORT_ instead of _IP_ (and ask _give the port from your local _service_ table_, you'll be free in usage the same IP address even for the incoming services, not for the clients only (as todays). > > - Forrest W. Christian ([email protected]) KD7EHZ > ---------------------------------------------------------------------- > iMach, Ltd., P.O. Box 5749, Helena, MT 59604 http://www.imach.com > Solutions for your high-tech problems. (406)-442-6648 > ---------------------------------------------------------------------- > > > Aleksei Roudnev, Network Operations Center, Relcom, Moscow (+7 095) 194-19-95 (Network Operations Center Hot Line),(+7 095) 230-41-41, N 13729 (pager) (+7 095) 196-72-12 (Support), (+7 095) 194-33-28 (Fax)
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