nanog mailing list archives

Re: Redundant Data Center Architectures


From: ChrisSerafin <chris () chrisserafin com>
Date: Wed, 28 Oct 2009 09:56:18 -0500

We are doing:

Citrix XenServer environments at both sites with NetApps for the SANs
MPLS connections with Riverbeds for WAN op.

Let me know if you wanna dig into this deeper.

Stefan Fouant wrote:
I'm wondering what are the growing trends in connecting Data Centers for redundancy in DR/COOP environments.  I imagine VPLS 
has a big play here, but I'm willing to bet there are all sorts of weirdness that such environments can create, such as the 
effect it may have on DR elections, etc.  Also, what are your experiences in replication of storage over WAN links?  Are people 
tending towards iSCSI or do trends indicate that FCoE or FCoIP may become the preferred mechanism?  Any experience with WAN 
acceleration in such environments?

Thanks in advance!

--
Stefan Fouant
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