The switched internetwork model , in which servers are treated simply as end nodes on a backbone switch , doesn ' t scale for environments in which enterprise applications are distributed across any servers 在交换的网络互连模型中，服务器只是被简单地当作主干交换机的最终节点，此模型与企业应用被分布在多台服务器的环境不相衬。
Putting stress and load testing off to the last minute is common , but it leaves you little time to do anything substantive when you discover your product doesn ' t scale up to more than 12 users 将压力测试和负载测试推迟到最后一刻才进行是一种常见的情况，但是这样做的结果是，当你发现你的产品不能支持12个以上的用户时，你已经没有多少时间来采用实际的措施。
First , introduce the reasons and character of current banking m & a , then summarized the former studies of the three ways of m & a to efficiency gaining : size versus size economy , m & a versus banks efficiency , and m & a versus shareholders wealth . then introduce the research approaches of m & a efficiency gaining , especially the approaches of m & a versus banks efficiency , such as parametric frontier approaches and non - parametric frontier approaches . in the following , through roe model and dea model to study the relations between size and efficiency , finding : middle size banks efficiency is higher , larger banks have n ' t scale economy , small banks have low em , and through directly analyzing m & a efficiency of four commercial banking m & a case in china , finding : the past - merged efficiency of shanghai pudong development bank has been improved , and others have been deduced , but after three years the efficiency increased little by little 首先，分析了当前银行并购的主要原因、特征以及我国银行并购的现状与特点；接着对银行效率水平的概念进行分析，综述了国外对银行并购与效率获利的三方面的研究(考察银行的规模与效率这种间接方式、比较并购行并购前后的效率以及并购行与非并购行的效率和考察上市银行并购前后股东财富的变化这两种直接方式)的有关文献；再次对银行并购与银行效率获利的分析方法进行了介绍，其中详细地研究了前沿分析法：参数分析法和非参数分析法，并指出了这些方法的特点；然后运用财务比率分析法和dea方法对我国商业银行规模与效率从间接角度对银行并购产生的效率获利进行了实证研究，结果发现：中等规模的商业银行的效率最佳，而小规模的银行的em值较低，同时大规模的商业银行的规模无效；同时利用我国已发生的四个银行并购案从直接的角度对我国商业银行并购的效率获利进行分析，结果发现：除上海埔东发展银行在并购后效率提高，其他三家银行并购后的效率都有所下降，但并购后第三年效率又逐渐回升。
