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bean currently resides in crashes, a clustered, load-balanced, and failed-over set of servers
means that you'll be transparently rerouted to the next available machine on the cluster and
it'll still have the up-to-date state of the bean. Clustering is an essential feature for mission-
critical systems that must guarantee reliability.
3.3.4. Bidder account creator bean example
The process to create an ActionBazaar bidder account is too involved to be implemented
as a single-step action. As a result, account creation is implemented as a multistep process.
At each step of the workflow, the bidder enters digestible units of data. For example, the
bidder may enter username/password information first; then the biographical information
such as a name, address, and contact information; then billing information such as credit
card and bank account data; and so forth. At the end of the workflow, the bidder account is
created or the entire task is abandoned. This workflow is depicted in
figure 3.8
.
