for example, a service that reports on the status of a server farm may not need any parameters 字符后)在url中包含参数。比如,报告服务器场状态的服务可能不需要任何参数。
ejb technology offers several strategies for developing scalable applications including stateless session beans and server farms 针对开发包括无状态会话bean和服务器场所的可伸缩应用,ejb技术提供了几项策略。
we could be using a server farm, for example, and because the services advertise themselves, we don t need to worry about how to find them 例如,我们可以使用一个服务器农场,由于服务会广播自己的存在,因此我们不必担心如何发现这些服务。
for instance, you must use dcom if the client and server both reside within a server farm, and a transaction is created on one computer and must continue on another computer 例如,如果客户端和服务器都位于某一服务器场内,并且在一台计算机创建的事务必须在另一台计算机上继续时,则必须使用dcom。
he thinks that this concept is a novel one and will allow companies who are happy with some commercial vendors to be able to cluster with open source alternatives and make a cost-effective application server farm 他认为这是一个新概念,将允许对商业软件供应商满意的公司能够用开放源码的替代品进行集群,从而形成划算的应用服务器农场。