for example, a service that reports on the status of a server farm may not need any parameters 字符后)在url中包含參數(shù)。比如,報(bào)告服務(wù)器場(chǎng)狀態(tài)的服務(wù)可能不需要任何參數(shù)。
ejb technology offers several strategies for developing scalable applications including stateless session beans and server farms 針對(duì)開(kāi)發(fā)包括無(wú)狀態(tài)會(huì)話bean和服務(wù)器場(chǎng)所的可伸縮應(yīng)用,ejb技術(shù)提供了幾項(xiàng)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,我們可以使用一個(gè)服務(wù)器農(nóng)場(chǎng),由于服務(wù)會(huì)廣播自己的存在,因此我們不必?fù)?dān)心如何發(fā)現(xiàn)這些服務(wù)。
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,如果客戶(hù)端和服務(wù)器都位于某一服務(wù)器場(chǎng)內(nèi),并且在一臺(tái)計(jì)算機(jī)創(chuàng)建的事務(wù)必須在另一臺(tái)計(jì)算機(jī)上繼續(xù)時(shí),則必須使用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 他認(rèn)為這是一個(gè)新概念,將允許對(duì)商業(yè)軟件供應(yīng)商滿意的公司能夠用開(kāi)放源碼的替代品進(jìn)行集群,從而形成劃算的應(yīng)用服務(wù)器農(nóng)場(chǎng)。