IP Management Tool - Minimum Requirements
Dmitry Morozovsky marck at rinet.ru
Fri Apr 20 17:35:41 CEST 2001
On Thu, 19 Apr 2001, Michael van Elst wrote: MvE> The tool will accept a number for the count of IP addresses to be assigned MvE> and search for a suitably aligned assignment. Obviously you will end with MvE> holes in your allocation whenever an assignment is returned. MvE> MvE> There are various alogrithms (coming by memory or disk space allocators) MvE> that try to get 'optimal' results by filling the holes. This tool does a MvE> two phase search, first it looks for assignments that fill holes completely MvE> and then it falls back and searches the first hole in the allocation that MvE> is large enough. MvE> MvE> MvE> > I don't want an end product that decides for you MvE> > which subnet you will be assigning. MvE> MvE> Why not ? Most assignments are completely arbitrary. There are two MvE> reasons to chose a specific subnet: aggregation and reservation. MvE> In both cases you do a bigger assignment first (which only exists MvE> privately, not in the RIPE database) and select your assignments MvE> from this block. I agreed, and we tried to first fill requests for, e.g., /24 in even blocks in /20 "reserved" for /24s, to be expanded to /23 when needed. Same algorithms for other popular block sizes, such as /27 and /26... Sincerely, D.Marck [DM5020, DM268-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru *** ------------------------------------------------------------------------
[ lir-wg Archives ]