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Showing posts from May, 2011

Use Case: Delivering Digital Teaching Materials Quickly and Securely

We've been talking a lot about features lately.  Now, how to use some of them in real life.

Say you're a publisher of textbooks or other teaching materials.  You're good at selling to schools, but you need an efficient and secure way to get digital products into the hands of students after the sale.  Tizra gives you a number of ways to get this done (in addition to built-in ecommerce for self-serve credit card sales), but today we'll focus on a new option built around the batch account loader, which makes it as simple as copy and paste.  Note that second and third steps below only need to be done the first time you set up…

1. Add and Tag Users
Use the new batch account loader to load and tag email addresses for the students who should have access (if you don't have emails, there are other options we'll cover in future posts).  Pick a tag that's short and easy to remember.  For example, if you want to arrange access to a book called Knowledge 101 during the …

More Eggs in More Baskets: How the AWS Outage Made Us Stronger

Like a lot of web companies, we learned some hard lessons from the Amazon Web Services outage of a few weeks ago.   We didn't lose a single byte of data, but we resolved never again to put one service provider—no matter how large and diversified—in a position where its failure could cause a serious interruption in service for our customers.

As promised, we 've now finished setting up automated data backup and redundant server infrastructure in facilities maintained by a completely separate company: Softlayer Technologies.  Like AWS, Softlayer maintains the high security and reliability standards we require, including SAS 70 Type II Certification and PCI DSS Compliance.  And their Texas location adds geographic diversity to the Virginia and California regions Amazon gives us access to.

This is in no way the end of our efforts to improve reliability and security.  We'll keep refining backup, failover and recovery processes to ensure not only that our customers' data is s…