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From: tvest@eyeconomics.com To: Benjamin Billon <bbillon-ml@splio.fr> In-Reply-To: <4ADF5DB0.5030909@splio.fr> Date: Wed, 21 Oct 2009 15:56:29 -0400 Cc: nanog@nanog.org Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org Very interesting rundown of current infrastructure option -- thanks! On Oct 21, 2009, at 3:14 PM, Benjamin Billon wrote: > Hi, > > if you're talking about Mainland China in general (not Hong Kong =20 > specifically), indeed IPSEC VPN may not provide desired level of =20 > service. > During the time I spent there, we opted for: > - CNC MPLS for 4 sites in China > - Equant MPLS between Beijing and other worldwide sites > - Then replaced at high price Equant by Verizon MPLS in order to =20 > connect worldwide sites through Pacific links instead of Suez Canal > - Then replaced Verizon by higher bandwidth Equant MPLS because =20 > Verizon's service was seriously bad. Not the link, but the service =20 > around it. > > At that time, Verizon used China Telecom as contractor, and I think =20= > Equant used CNC. Not sure about that, though. Verizon =3D CT: also consistent with my memory (and an easy guess since =20= there is no alternative) Equant =3D CNC: Perhaps you mean China Unicom =3D) TV > Between each site (Beijing to three others in China, and Beijing to =20= > others worldwide), there was backup IPSEC VPN set up "just in case". =20= > Hopefully we didn't had to use them, because they was down from time =20= > to time and bandwidth was inconsistent. > > "Great Firewall buddy" is not to charge this time. > > ChrisSerafin a =E9crit : >> I have a client in the US looking to connect up an office in China =20= >> and I'm wondering what type of connections are avilable and wether =20= >> IPSEC VPNs can be established through the 'Great firewall of China'. >> >> I talked to a China Telcom rep in the US that says that the network =20= >> congestion even in China makes VPN's difficult. =46rom their website, = =20 >> I see that the majority of the country is using xDSL, or 2MB =20 >> dedicated lines. >> >> Can anyone shed any light on this topic? Thanks! >> >> chris@chrisserafin.com >> >
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