tailieunhanh - Building a Cisco Network for Windows 2000 P2

DEN is a solution to several challenges from which both enterprise administrators and software vendors suffer. Administrators and vendors are faced with the following issues: | 4 Chapter 1 Developing a Windows 2000 and Cisco Internetwork The DEN Solution DEN is a solution to several challenges from which both enterprise administrators and software vendors suffer. Administrators and vendors are faced with the following issues How to integrate new e-business systems How to incorporate service level agreements for specific users How to apply and manage policies How to integrate management islands . separate network administration units and separate network management systems How to get interoperability from systems right out of the box How to achieve advanced services that are applicable network-wide DEN solves these issues with the definition of a directory service shown in Figure which can manage Integration of e-business systems media devices and protocols Incorporation of service levels into the management of users and applications Application and management of policies Integration of extensible management applications into the directory to centralize the network management Utilization of common protocols common application programming interfaces APIs and a common repository for information to ensure interoperability Advanced services from configuration access control security and provisioning of Quality of Service QoS As a result DEN harnesses the power of a database to centralize and manage network systems and services. DEN defines a common schema for network units and services and enables interoperability between them. DEN specifies an object-oriented information model called a directory for networked units. A networked unit is defined within the directory as a class. The network units or classes are not limited to devices or user accounts but encompass every possible application or system that can participate on the network. Classes are composed of objects that share the same basis of attributes. Any single network element a user account server policy etc. represents some individual entity Joe User Server1 or SecurityPolicyA .

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