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CloudCheckr : Amazon Complexity Challenges Many Users

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     A recently released infographic from CloudCheckr (https://cloudcheckr.com/) sheds quite a bit of light on the importance of expert advice when an enterprise decides to deploy to the cloud.  When AWS made Trusted Advisor free for the month of March, they took that opportunity to conduct an internal survey of their customers’ usage. CloudCheckr compared the initial scans of 400 users against a list of 125+ best practice checks. The survey was limited to users with over 10 EC2 instances. In aggregate, the users represent a total of just over 16,000 EC2 instances.



     They categorized survey results into 3 main categories: Cost, Availability, and Security; and that over 99% of their users were operating with at least one serious best practice exception. Their primary conclusion was that although cost often grabs the headlines, users suffer from a large number of availability and security issues.

  

     When considering availability, there were numerous serious configuration issues. Users repeatedly failed to optimally configure Auto Scaling and ELB. The failure to create sufficient EBS snapshots was an almost universal issue. When looking at security, they saw a smaller number of issues. However, the ones that did arise were very serious. Specifically, in S3, they saw nearly 1 in 5 users allowed unfettered access to their buckets through “Upload /Delete” or “Edit Permissions” set to everyone. As we explained in an earlier whitepaper, anyone using a simple bucket finder tool could locate and access these buckets.

     In short, typical Amazon Web Services users are not following relatively well know best practices when they deploy to the cloud.  This is not an indictment of the cloud computing model, but rather a realization that most cloud users can benefit greatly from the advice and support of a professional cloud deployment team. 

      Specific conclusion as provided by CloudChekr, are :

  • 96% of all users experienced at least 1 cost related exception(with many experiencing multiple exceptions).  
  • Price optimization remains a large hurdle for AWS users 
  • Nearly 98% suffered from at least 1 availability related exception. 
  • 44% of our users had at least one serious security related exception present  

Additional observations:
COST
  •  Spot instances worry users – there is a general concern of: “what if the price spikes and my instance is terminated?” This fear exists despite the fact that spikes occur very rarely, warnings are available, and proper configuration can significantly mitigate this “surprise termination” risk.
  • It is difficult and time consuming to map the cost scenarios for purchasing reserved instances. The customers who did make this transition had cobbled together home grown spreadsheets as a way of supporting this business decision.
  • The intricacies of matching the configurations between on demand instances and reserved instances while taking into consideration autoscaling and other necessary configurations were daunting. Many felt it was not worth the effort.
  • Amazon’s own process for regularly lowering the costs is a deterrent to purchasing RIs. This is especially true for RIs with a 3 year commitment. In fact, within the customers who did purchase RI, none expressed a desire to commit to 3 year commitments. All supported their refusal by referencing the regular AWS price drops and the fact that they could not accurately predict their business requirements 3 years out.

 
 AVAILABILITY

  • Users were generally surprised with the exceptions. They believed that they “had done everything right” but then realized that they underestimated the complexity of AWS.
  • Users were often unsure of exactly why something needed to be remedied. The underlying architecture of AWS continues to unfold and users are not always familiar with the latest AWS twist.
  • AWS dynamism played a large role in the number of exceptions. Users commented that they often fixed exceptions and, after a week of usage, found new exceptions had arisen.
  • Users remained very happy with the overall level of service from AWS. Despite the exceptions which diminish overall functionality, the users still found that AWS offered tremendous functionality advantages.

SECURITY

  • The AWS management console offered little functionality for helping with S3 security. It does not present a useful means of monitoring and controlling S3 inventory and usage. In fact, we found that most of our users were surprised when the inventory was reported. They often had 300-500% more buckets, objects and storage than they expected.
  • S3 is often an afterthought for users. EC2 commands more user attention. Users often failed to create and implement formal policies.
  • S3 cost was contributing to factor to the problems. Given the low cost, team members throw up objects and buckets at will while secure in the knowledge that they can store huge amounts of data at a minimal cost. Similarly, the low costdisincentives users to perform inventories from each region and perform an audit of objects and policies/configurations.  Since users did not know what they had stored, they could not determine the level of security.

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1 Comment

  1. Anonymous on March 26, 2013 at 5:32 pm

    Hi Everyone,

    I'm Aaron Klein a co-founder of CloudCheckr. I hope you found the results of our survey interesting and informative. If you are curious to see how well your AWS account is configured, we'd like to invite you to set up a free account on CloudCheckr. You just need to enter read only credentials from your AWS account into CloudCheckr, and within a few minutes, you can see how well you scored against our best practice checks: https://app.cloudcheckr.com/LogOn/Registration

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