From Asia region (Bhutan): > On 10 Nov 2018, at 1:03 am, im <na...@netfront.jp> wrote: > > I heard that OSPF is only famous in asia region…
Not necessarily :-) > 1. what is your backbone's IGP protocol? IS-IS > 2. why you choose it? OSPFv3 was quite flaky (could have been OS bugs), and there wasn’t v4 support until rfc5838, so migrated to IS-IS when deploying v6 (with Philip Smith’s help). But preferred multi topology to allow for incremental v6 deployment (without affecting v4). — Tashi