> > When you have a large company, the company is also split > over several > > administrative sites, in some cases you might have a single > > administrative group covering several sites though, this > allows you to > > provide them with a single /48 as they are one group they will know > > how to properly divide that address space up. > > Works great, until you realize that for traffic engineering > purposes, you really want to announce your Los Angeles site > at an exchange near there, and your London site to be > announced near there, and you end up wondering whether > deaggregating the /48, or getting a second/third /48 would be > wiser.. ;)
I believe that a separate /48 per site is better regardless of whether or not the company has contracted with a single ISP for all sites, or not. As far as I am concerned if there is a separate access circuit, then it is a site and it deserves its own /48 assignment/allocation. --Michael Dillon
