Design And Implementation Of Batch Password Management Subsystem

Nowadays, the management and maintenance of network equipment is importantcomponent of telecommunication network, and one factor of network normal running.Network equipment management includes planning, configuration, supervision, faultmanagement and performance control, security and so on. Password administration isa primary task of the security management network equipment, and it sets networksecurity and management in a suit.This paper surveys and researches the existing network equipment managementsystem,and development situation of current network equipment managementresearch. Considering the security and reliability, encryption and decryption of data isstudied in this paper. To ensure the data is not theft, it uses Asymmetric encryption inthe process of the password transmission, combining hash check technology to ensurethat the data was not damaged. Besides, while modifying password, this paper usespassword automatically generating instead of the original human setting. So, thesecurity of password is higher, and can not be obtained easily.The author's main work is attending the overall design of net element equipmentmanagement system, designing in detail and realizing user management module andequipment management module, also proposing password modify in batches inequipment management module.In the design of the system, this paper adopts B/S structure and the pattern ofjsp+ servlet, in order to make system transplantation easier, so that user can operate itin any OS. It uses Object-oriented method in the analysis of the system, adoptsUnified Modeling Language (UML) and modeling tool Power Design to design themanagement system, realizes the system by the design pattern of MVC(Model-View-Controller). Model layer realizes specific business logic, View layerdisplays user interface and Controller layer is mainly in charge of the controlrelationship between Model layer and View layer. Among the system html+CSSdesigns the presentation layer, so a good interface environment is realized. The patternof jsp+ servlet abstracts specific business, and the formative javabean is used toexpress specific model, while all of the requests are sent to servlet which is regard asthe controller, according to request, method of specific model is called. This designway commendably realizes not only the separation of presentation layer and businesslayer, but also high reusability and practicability, so developing life cycle cost isreduced and it is in favor of the soft engineered management.The system is mainly divided into three functional modules: user module,equipment module, and log module. Three of the modules are interrelated. The author is responsible for the design of user module and password modify in batches ofequipment module, also some functions such as CRUD. Because of the large scale,there can not be only several administrators, and the duties of administrators are notidentical, so the author adopts the idea of delamination, divides the users into differentlevels, that is, different roles have different permissions. In equipment management,this paper puts forward concept of group, divides equipments into different groupsaccording to actual area or specific types of equipments, mean wile, concept of groupalso applies to the users. User manages equipments belong to his group, so differentgroups of users can manage different sets of equipment. Therefore, three user levels,ordinary user only has the permission to view equipments, equipment groupadministrator can manage the restructuring of the equipment; super administrator canmanage the administrator manager and ordinary users.Equipment requires regular password modify, but the past system do not have thefunction of modify in batches, so it is inconvenient to do it. Therefore, the authorproposes the pattern of password modify in batches, and gives up the past human way,adopts password automatically generating. During modifying password in batches,individual failures may occur, this need to manual remote log to modify or find othersolving ways according to error analysis. At the same time, password in databaseshould also be modified, in order to maintain data synchronization. Of course, userscan individually modify equipment password.The underlying communication of system adopts HTTP tunnel technology,which is based on Web Service, using SOAP(simple object access protocol)ascommunication protocol, HTTP as transport protocol, so it can pass through allfirewalls.With the continuous development of computer science and technology, the scaleexpanding of computer networks, network equipment management will become moreand more important, and password management will be more widely appreciated.