Japan aftermath: Google, Microsoft

Japan aftermath: Google, Microsoft

Carol Ko  |   March 28, 2011
Asia Cloud Forum
This article continues from the Japan aftermath story on AWS and Equinix, which provides a quick performance check on the services of Google App Engine and Windows Azure delivered from Japan. Google App Engine's performance was benchmarked against Compuware's CloudSleuth, a Web-based performance visualizer that measures a cloud service provider's response times and availability.
 
Google
 
According to a Google spokesperson, "Google's networking and data center infrastructures have not been materially affected by the [Japan] earthquake."
 
Indeed, the averaged response times of Google App Engine in the Asia-Oceania region on March 12 (the day after the Japan Earthquake struck) was 4.47 seconds -- the best recorded in the past 30 days. But note the huge variation of Google App Engine response times in different cities: Sydney (11.3 seconds), Tokyo (11.61 seconds), Mumbai (12.69 seconds), and Beijing (87.55 seconds), which 'averaged out' the figure at 14.02 seconds (See Figure 1).
 
Figure 1. Response times of Google App Engine in the Asia-Oceania Region between Feb 21 and March 21 2011

(Source: CloudSleuth; annotations by Asia Cloud Forum staff)
 
Google declined to detail its disaster recovery measures in relation to the Japan earthquake, as "it is the company's policy not to comment specifically on data centers." According to the Google spokesperson, the company has been maintaining a "diverse networking and data center infrastructure which allows us to tolerate point failures without disruption to our overall service."
 
In terms of availability in the Asia-Oceania region, Google App Engine has the lowest overall availability among the 18 cloud service providers being monitored at CloudSleuth, averaging at 82.88% in the past 30 days. But again, note the huge variations among the four cities where CloudSleuth collected these rates of availability -- Tokyo (99.9%), Mumbai (100%), Sydney (99.88%), and Beijing (7.26%), which consistently remained 0% since March 12 (See Figure 2) (Contrast this with Microsoft Azure's 99.8% availability in Beijing in the past 30 days).
 
Figure 2. Availability of Google App Engine from Tokyo and Beijing
(Source: CloudSleuth; annotations by Asia Cloud Forum staff)
 
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