On 31 Mar 2013, at 18:16, waynemerricks <waynemerri...@thevoiceasia.com> wrote:
> I work for a UK company with a satellite office in Northern India served by > BSNL. About 4 weeks ago our inter office latency doubled to approximately > 750ms. After some investigation on various UK ISPs I realised that they're > all being routed via London -> New York -> Palo Alto -> Tokyo -> Singapore -> > Chennai. > > The return route from India was still Mumbai -> London fairly directly as it > always has been. > > Some time on Wednesday (27th) the route changed again. Now the UK is > bouncing from London -> Egypt -> Mumbai. This is almost normal but I'm still > averaging about 100ms higher latency than normal (I could get under 250ms on > a good day but more usually it was about 300ms). > > At about the same time the return route from India changed completely (its > now going Mumbai -> Chennai -> Singapore -> Tokyo -> Palo Alto -> New York -> > London). Connectivity from Europe to Asia (and East Africa) is shafted every which way right now as a result of the multiple, severe cable cuts in the Alexandria region. As usual the Renesys blog has useful data: http://www.renesys.com/blog/2013/03/intrigue-surrounds-smw4-cut.shtml I believe all the operators are struggling with this. Will
