The Research Of Some Key Technology For High Dependability Accounting System

When gaining business profit, tele-company charges according to the accounting system of telecom field. Accounting-system-data belongs to business data, which needs very high dependability. Basing on the integration of Hunan-Tietong accounting-network-system, this thesis researches the scheme of network setup, the high availability,security of the network, network-virus-defended, the implement of high availability computer cluster system, the high dependability of data storing for the high dependability system.The integrality of original accounting-bill determines the income of tele-company. For real-time-accounting system, if some original bills are lost through real-time-collecting system, resulting in some bills without being accounted, tele-company will receive much loss. This paper introduces the program which the author developed independently in Hunan Tietong final accounting HP-UNIX host, which can search out lost real-time-collecting bills through the whole process that accounting original bills are collected to collecting-server in every district from program-controlling switches Huawei BAM or ZTE front-end computer by real-time-collecting system, and then sent to accounting host in province accounting center. This set of program can rapidly and effectively searches for lost bills, and can even search out hundreds of thousands bills every month, producing considerable financial benefit constantly.This thesis makes a plan and design for the high availability of Hunan Tietong accounting-network, and finds out an effective way to head off virus-spread in accounting-network. For the instance of deceivably ARP-virus halting operation, effective controls are made in gateway routers and the third switches, and then the ARP-virus attacking are collapsed, obtaining good and practical effect. Tele-company charges according to the accounting original bill to gain business profit, ensuring original bills can be transmitted to accounting system for accounting without loss, which directly relates to the market income of tele-company. Owing to a set of program in accounting UNIX host emplodered in this thesis, an obvious financial profit can be received...