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Former Member
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Google search for the words “cloud”, “anytime”, “anywhere” returns more than 12 mln results. Most cloud providers claim that your applications will be 99%+ available. But is this really the case and how do you check this?

SAP Netweaver cloud currently does not have a service for external availability monitoring and alerting but it is on our road-map. Until it is available my suggestion would be to use a 3rd party one to monitor the availability of your applications.

In order to try and to save you some time I did a research on web monitoring service offerings. There is a multitude of sites providing web sites availability monitoring from different locations, offering at least sms and email notifications which are enough for the general case of application availability monitoring. Most of them use one and the same sales model – they offer some kind of free version/free trial and an upgraded paid service. Usually the free versions offer too big check intervals or some restrictions in the notifications. I have selected 3 which stick out from the rest. My advice is to look at each of them and select the one that best suits your needs. Please share your experience with these services but most importantly the features you miss and would like to see in an availability monitoring solution.

Pingdom (http://www.pingdom.com/ ) - free or trial 30 days account. Trial account gives access to enterprise features

This is how UI looks like:

+ beautiful intuitive UI

+ lots of options and reports

+ content checks

+ shortest check interval(1min)

+ push notifications to iphone/android, twitter

+ public status link

+ exposed API

-- only one site for the free version

Uptimerobot(http://uptimerobot.com ) – free

Below is a screenshot of the UI:

+ 50 sites

+ iOS push/RSS/twitter notification

+ exposed API

-- longer check interval(5 min)

-- more basic features/UI, but enough to track availability

TagBeep(http://tagbeep.com ) – free

  This is how the dashboard looks like:

+ 50 sites

+ twitter/desktop notification

+ short check interval (1 min)

+ debugging features (like screenshots which I did not manage to see working)

+ response time monitoring

+ dynamic URLs

+ content checks

-- no option to set user/password

-- seems a bit overloaded the last days as it checks my site at 3-4 minutes intervals instead of 1 minutes

You can find more free monitoring services at:

http://mashable.com/2010/04/09/free-uptime-monitoring/

http://mashable.com/2008/08/25/free-and-cheap-website-monitoring-services/

http://www.mashgeek.com/website-uptime-monitoring-services/1078/

http://smashinghub.com/top-10-free-website-monitoring-services.htm

http://www.hongkiat.com/blog/monitor-website-up-downtime-30-free-web-services-and-tools/

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