[ngw] Numbers re: Zimbra vs Exchange

[Keith Larson]

right.


>>> "Joshua Pitlick" <JPitlick at acog.org> 4/23/2010 10:22 AM >>>
It was the "What's New with VMWare" presentation.
 
Joshua Pitlick
Lead Systems Engineer
American College of Ob-Gyn
409 12th Street, SW
Washington, DC 20024

>>> "Joshua Pitlick" <JPitlick at acog.org> 4/23/2010 10:19 AM >>>
I went to the VMware Forum in DC last week.  I got a follow up e-mail from them with this link to download the presentations:
 
http://info.vmware.com/content/VirtualizationForum_Post
 
 
Joshua Pitlick
Lead Systems Engineer
American College of Ob-Gyn
409 12th Street, SW
Washington, DC 20024

>>> "Keith Larson" <KLarson at K12GROUP.NET> 4/23/2010 9:07 AM >>>
I don't know if there is any way for me to get the slides.  Let me see if I can find anything more.


>>> "Barry Eriksen" <barry_eriksen at ncsu.edu> 4/23/2010 8:12 AM >>>
You caught my interest:
 
What kind of comparative stats did they have WRT Zimbra vs Exchange?
 
Thanks,
 
Barry
 
-- 
Barry Eriksen
Office of Information Technology (OIT)
NC State University
202 Avent Ferry Technology Ctr
Raleigh, NC 27695
Ph: 919-515-0126


>>> 

From: "Keith Larson" <KLarson at K12GROUP.NET>
To:"NGWList" <ngw at ngwlist.com>
Date: 4/23/2010 8:04 AM
Subject: Re: [ngw] Cloud Mentality - I disagree
I just went to VMWare's Virtualization Forum 2010 yesterday in Cincinatti.  It was heavily focused on the cloud, but emphasize that it is a journey.  They are suggesting that building a private cloud will be best for some things.  The public cloud will be appropriate for others and some things will be in a hybrid mode.  You run it privately, when you need more capacity you may augment with public cloud and then pull it back when demand goes back down.
 
I don't know if any of it has any application to my customers, but it was very interesting stuff.
 
They were really touting their new acquisition of Zimbra and SpringSource.  The numbers for Zimbra vs Exchange were impressive.  They didn't compare to Google Apps though.
 
 
Keith Larson
Franklin Computer Services - K12 Group
(614) 561-4887
klarson at k12group.net






>>> Joseph Marton <jmmarton at gmail.com> 4/23/2010 7:30 AM >>>
Ah, yes, and because the cloud is big, it can't fail, right? Let's see. About a month and a half ago a key production NetWare server here abended during the day thanks to Java. Other than that short 5-10 minute outage while the server rebooted, when's the last time it went down during the day? Oh I don't know... maybe 2008? In comparison, how many times has various portions of the Google network been down in 2010? How about 2009? I'd say many more. And for how long each time? Definitely more than 5 or 10 minutes. I'm sure Google probably has a few more resources than my company (50 person financial services company) yet that hasn't prevented outages.

Just because the cloud is big doesn't mean there can't be failures. There can and will be. So when you take that out of the equation, you now have to look at possibilities of Internet connection failures. And remember, this doesn't just mean that the connection to your ISP is down. I've had a couple of "failures" where our connection in Chicago to Verizon remained up, but an issue further upstream caused an outage. Heck not even two weeks ago there was a problem where a small Chinese ISP's router started advertising routes via BGP, which other routers accepted, causing thousands of networks to essentially go down because routers all over the world sent those networks' traffic to China instead of the appropriate locations.

http://www.h-online.com/security/news/item/Chinese-ISP-hijacks-bits-of-the-web-975344.html

 ( http://www.h-online.com/security/news/item/Chinese-ISP-hijacks-bits-of-the-web-975344.html )This is just how fragile the Internet is. Now think about it, if a company had most of its resources in the cloud and the cloud got hit by something similar to what happened recently, now suddenly the company may not have access to key systems. So why go through that risk if the cloud itself isn't necessarily any more stable than internal systems?

Joe

On Fri, Apr 23, 2010 at 1:34 AM, Richard Bliss <rbliss at gwava.com> wrote:




You second point talked about connection as another reason to avoid the cloud mentality. You ask if we have ever had Internet outages? The better questions is, how many times have you had system failures within your own organizations due to mechanical or human error compared to the number of times you haven't been able to get on the Internet when you needed to.






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