To be successful and competitive company in today speeding World Company’s information system, basically, must rely on success principles, like efficiency, security and simplicity. Besides this, to achieve success and live system that can easily evolve trough the life span, there is some others very important key principles that integrates design techniques and operational human factors.
Modularity
To build an information system, a modules and its interaction with each others must be specified at design planning time. To be able to upgrade and evolve system design in future, information system must be modular in its design and should be based on industrial standards to ensure that modularity. Modules are building blocks of the design architecture. With system based on modules, you can plan, design, build and maintain any functionality you want to. Module building blocks are necessary in order to achieve layering and independency.
Layering
To be able to control complex system module building block should be separate into operational layers of the any required type: functionality, logical, physical location, etc. Every layer is hierarchy level of the complexity that interacts between neighbor layers. Layering is necessary to achieve simple and efficient control of information policy - or other words: to be able to have simple and clear policy and also controlled policy enforcer layering is required.
Independency
This is key principle to easily evolve system life cycle trough the time. If the system layering is designed on generic module specification then each module can be replaced with different if it can achieve required features and interface specification. Thus, in future, each system segment can be easily, replaced, upgraded or become redundant with different type of manufacturer or working principles. Then the modeling, shaping and controling the system is easy, just like playing with Lego dices.
Hierarchy Control
To control and manage system behavior in a required manner each system building block must be controlled and coordinated with manager module. Each module is controlled by its manager that sending an information to the module how they must work or behaves in certain situation. This is the base principle of the managed and predictable system behavior and controlling.
Simplicity
This is key point of the security and manageability. If the system is too complex it's always leading to security weakness, especially in management and procedures areas. Keep it simple as possible!
Total Cost
With modularity, you can build system elements from different manufacturers and models without changing the system characteristics. Total cost of the ownership should be minimized for requested functionality and security.
Be ready...
Now you are ready for next generation modular networking manageable architecture with 10G Ethernet core, IPv6 switching, advanced QoS and security, service delivery, cloud computing and more...