CIDR and aggregation in the early 1990s was developed in response to AGS+ routers falling over under the strain of the global size back then. Since then, IPv4 has been a progressive loosing proposition and only gets worse every year. This proposal could certainly accelerate the rate at which it continues to get worse.
Owen > On Sep 28, 2023, at 19:56, Joe Hamelin <neth...@gmail.com> wrote: > > Wasn't it about 1997 or so when we ran into deployed Cisco gear (5500s back > then) running out of memory for BGP routes? Been there, done that. -Joe > > On Thu, Sep 28, 2023 at 7:41 PM Jon Lewis <jle...@lewis.org > <mailto:jle...@lewis.org>> wrote: >> On Fri, 29 Sep 2023, VOLKAN SALİH wrote: >> >> > I believe, ISPs should also allow ipv4 prefixes with length between >> > /25-/27 instead of limiting maximum length to /24.. >> > >> > I also believe that RIRs and LIRs should allocate /27s which has 32 IPv4 >> > address. considering IPv4 world is now mostly NAT'ed, 32 IPv4s are >> > sufficient for most of the >> > small and medium sized organizations and also home office workers like >> > youtubers, and professional gamers and webmasters! >> > >> > It is because BGP research and experiment networks can not get /24 due to >> > high IPv4 prices, but they have to get an IPv4 prefix to learn BGP in IPv4 >> > world. >> > >> > What do you think about this? >> >> Not going to happen any time soon (if at all). >> >> #show ip route summary | i Source|---|bgp >> Route Source Number Of Routes >> ------------------------------------- ------------------------- >> bgp 925809 >> >> Think about how much network gear is out there that is straining under the >> current size of the global table. Opening the flood gates to many more >> prefixes with /25-/27 routes in the global table would mean lots of gear >> needs to be upgraded/replaced sooner rather than later. >> >> ---------------------------------------------------------------------- >> Jon Lewis, MCP :) | I route >> StackPath, Sr. Neteng | therefore you are >> _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________ > > > -- > -- > Joe Hamelin, W7COM, Tulalip, WA, 360-474-7474
