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Google vs Microsoft: why you should switch to Gmail

How make the jump from Exchange to Gmail

Some large enterprises are seriously considering jumping from Exchange to Gmail, or already have. Here's why.

Availability and uptime

With regard to availability and uptime, Google, like other cloud providers, does offer a service level agreement that guarantees 'three nines' availability - in other words, it's up 99.9% of the time.

One way Google achieves that is by writing data simultaneously to multiple servers within its data center and synchronously copying that data to a second data center.

If the service goes offline, however, Google's liability is limited to refunding part of the subscription fee.

Business losses as a result of downtime aren't part of the deal.

Google has had its share of outages in the past year, but that doesn't seem to have dissuaded users of Google Apps for Business so far.

Temple's Stahler recalls an outage in September that lasted a couple of hours.

Her users noticed the problem right away, but she says her team wasn't under fire because everyone realised that it was Google's problem.

"Before, we would have been scrambling and would have had to drop everything," she says. But with Gmail, people simply accepted it.

"They realised that Google had thousands of people working on it and that this was unusual."

Wright says downtime hasn't gone unnoticed, but the small amount of it hasn't been a big concern for him.

While email is mission-critical, it's doesn't require extremely high availability.

"Our environment doesn't demand five nines," he says.

The city of Los Angeles had many privacy concerns as it was considering going with Gmail, says Randi Levin, general manager and chief technology officer.

But Google's approach of breaking apart data and encrypting the pieces helps to allay fears of unauthorised access.

As to what Google knows about individual users, city assistant general manager Crawford says he's satisfied with Google's controls.

"Google doesn't have the right to read the data ever, unless we give them that right by request," he says.

In addition, he says, "We can audit to see who's touched our stuff."

NEXT PAGE: Proceed with due dilligence

  1. What you need to know jumping from exchange to Gmail
  2. The Google proposition
  3. A quick rollout
  4. The calendar question
  5. Sticking points
  6. Classic cloud worries
  7. Availability and uptime
  8. Proceed with due dilligence


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