By George Reese
Publication offers a superb assessment of cloud architectures and most sensible practices, with a slant in the direction of architecting transactional web-based structures for safety, failure restoration, etc. Heavy emphasis on Amazon S3, EC2 and comparable choices, so when you are all for deploying to Amazon's cloud, an exceptional evaluate. great brief e-book at one hundred fifty pages, effortless to learn in a couple of settings. but when you're new to this house, an excellent assessment does not must be a thousand pages to get you going. additionally includes a couple of appendices that describe Amazon APIs and different cloud ISPs reminiscent of Rackspace. i like to recommend this publication when you are a brief review of architectures and dialogue of matters you must take into consideration to accommodate protection, info integrity, charges, catastrophe restoration. Your number of cloud supplier will not be Amazon, yet those matters have to be thought of regardless.
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Additional resources for Cloud Application Architectures: Building Applications and Infrastructure in the Cloud (Theory in Practice (O'Reilly))
Com 27 You will want to name your buckets in such a way that you will create your own virtual bucket namespace. com. It is important to note, however, that nothing guarantees that no one else will use your domain (or whatever other naming convention you use) as a prefix for their bucket names. Your applications therefore need to be intelligent when creating new buckets and should not be fixed to a particular naming scheme. When naming a bucket, Amazon suggests the following naming guidelines to enhance your ability to create valid URLs for S3 objects: • You should not name buckets using underscores (even though it is allowed).
For example, you almost certainly need a website to have a fixed IP address mapped by your DNS server. Amazon supports this need through elastic IP addresses. Com 39 A new Amazon account comes with the ability to create five elastic (static) IP addresses. You are not charged for these IP addresses until you actually create them. Even then, you are charged only for creating them without assigning them to a running EC2 instance, or for repeatedly reassigning them. Elastic IP addresses are one of the few things in life you get charged for when you do not use them.
You request virtual instances on-demand and let them go when you are done. Amazon sees one of its key benefits is a commitment to not overcommitting resources to virtualization. AppNexus represents a different approach to this problem. As with AWS, AppNexus enables you to gain access to servers on demand. AppNexus, however, provides dedicated servers with virtualization on top. You have the confidence in knowing that your applications are not fighting with anyone else for resources and that you can meet any requirements that demand full control over all physical server resources.