what is the best solution for this requirement ???

[mohammed hashim]

hi

if the head office in US and there are 4 different branches in other countries ! like china and middle east ,,, etc

the database servers are in the head office and the braches should be able to connect to the server with 1 Gbps,

and also the branches should be able to communicate with each other (for example to access shared resources) 

what is the best technology to run this network ?

thanks,

[Dragan Ilic]

DMVPN or full mesh site-to-site VPN...offcourse if you want to have secured network environment...

HTH,

Dragan

[mohammed hashim]

sounds DMVPN put its self in everything nowadays,

I think that is why they have put it in CCIE v5 R&S,

thanks for your reply

[Joseph W. Doherty]

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VPN over MPLS.

PS:

You might also want to investigate WAAS.  You can obtain LAN like bandwidths, but WANs do not have LAN like latencies.

[mohammed hashim]

so does that mean before VPN , it was not possible to connect two offices (two LANs) in two different countries ?