System View Visual System Integration: Powered by Xilinx
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System View’s Visual System Integrator is a revolutionary tool enabling users to describe both platform specification and build the system in the same intuitive, graphical environment.
System integration and system engineering
Nasser Majothi of WSP Rail UK explains the myths and legends of the ‘system’.
What is SYSTEM INTEGRATION? What does SYSTEM INTEGRATION mean? SYSTEM INTEGRATION meaning
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What is SYSTEM INTEGRATION? What does SYSTEM INTEGRATION mean? SYSTEM INTEGRATION meaning SYSTEM INTEGRATION definition SYSTEM INTEGRATION explanation.
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/bysa/3.0/ license.
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System integration is defined in engineering as the process of bringing together the component subsystems into one system (an aggregation of subsystems cooperating so that the system is able to deliver the overarching functionality) and ensuring that the subsystems function together as a system, and in information technology as the process of linking together different computing systems and software applications physically or functionally, to act as a coordinated whole.
The system integrator integrates discrete systems utilizing a variety of techniques such as computer networking, enterprise application integration, business process management or manual programming.
System integration involves integrating existing often disparate systems and is also about adding value to the system, capabilities that are possible because of interactions between subsystems. In the modern world connected by Internet, the role of system integration engineers is important: more and more systems are designed to connect, both within the system under construction and to systems that are already deployed.
Vertical integration (as opposed to \”horizontal integration\”) is the process of integrating subsystems according to their functionality by creating functional entities also referred to as silos. The benefit of this method is that the integration is performed quickly and involves only the necessary vendors, therefore, this method is cheaper in the short term. On the other hand, costofownership can be substantially higher than seen in other methods, since in case of new or enhanced functionality, the only possible way to implement (scale the system) would be by implementing another silo. Reusing subsystems to create another functionality is not possible.
Star integration, also known as spaghetti integration, is a process of systems integration where each system is interconnected to each of the remaining subsystems. When observed from the perspective of the subsystem which is being integrated, the connections are reminiscent of a star, but when the overall diagram of the system is presented, the connections look like spaghetti, hence the name of this method. The cost varies because of the interfaces that subsystems are exporting. In a case where the subsystems are exporting heterogeneous or proprietary interfaces, the integration cost can substantially rise. Time and costs needed to integrate the systems increase exponentially when adding additional subsystems. From the feature perspective, this method often seems preferable, due to the extreme flexibility of the reuse of functionality.
Horizontal integration or Enterprise Service Bus (ESB) is an integration method in which a specialized subsystem is dedicated to communication between other subsystems. This allows cutting the number of connections (interfaces) to only one per subsystem which will connect directly to the ESB. The ESB is capable of translating the interface into another interface. This allows cutting the costs of integration and provides extreme flexibility. With systems integrated using this method, it is possible to completely replace one subsystem with another subsystem which provides similar functionality but exports different interfaces, all this completely transparent for the rest of the subsystems. The only action required is to implement the new interface between the ESB and the new subsystem.
The horizontal scheme can be misleading, however, if it is thought that the cost of intermediate data transformation or the cost of shifting responsibility over business logic can be avoided.
A common data format is an integration method to avoid every adapter having to convert data to/from every other applications’ formats, Enterprise application integration (EAI) systems usually stipulate an applicationindependent (or common) data format. The EAI system usually provides a data transformation service as well to help convert between applicationspecific and common formats. This is done in two steps: the adapter converts information from the application’s format to the bus’s common format. Then, semantic transformations are applied on this (converting zip codes to city names, splitting/merging objects from one application into objects in the other applications, and so on).
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Starting with the end in mind: Systems integration in future infrastructure projects
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Meet our new professors
Jennifer Whyte, Laing O’Rourke/Royal Academy of Engineering Chair in Systems Engineering at Imperial College London
Whatever you picture when thinking about construction will soon be wrong, if it’s not already. A radical change is taking place. The use of digital asset information by infrastructure owners is transforming the sector, bringing different professions into contact, and altering how these owners manage infrastructure portfolios, maintain interdependent infrastructure systems and deliver new projects.
With terrabytes of data, and millions of documents the major infrastructure projects such as the Heathrow Terminal 5, London 2012 Olympics and Crossrail have pioneered new approaches to project delivery.
In her inaugural lecture Professor Jennifer Whyte will explore how digital information is changing the delivery of these complex engineering projects, whilst itself becoming a deliverable to owners and operators. She will consider the challenge of systems integration in future infrastructure projects, and argue that practitioners need to “start with the end in mind” when delivering new infrastructure. Finally she will conclude by setting out her vision for a future generation of tools and methods to achieve systems integration in infrastructure delivery.
About the speaker
Professor Jennifer Whyte is the Laing O’Rourke/Royal Academy of Engineering Professor of Systems Integration in the Department of Civil and Environmental Engineering, Imperial College London; and Director of the Centre of Systems Engineering and Innovation.
Rejoining Imperial in October 2015, she has also worked at Loughborough, Sussex and Reading Universities and has led a Centre funded through the EPSRC ‘Challenging Engineering’ programme. Her research is on tools for and approaches to systems integration in infrastructure. She has studied how digital information is transforming both project delivery and infrastructure ownership. This research has contributing insights on the organization of major projects, visualization and management of engineering data and handover of asset information to infrastructure owners.
A member of the Institution of Civil Engineers (ICE) information systems panel; and external BIM advisory panels for Crossrail and HS2, she has also worked with the Infrastructure UK Client Working Group collaborative project teams programme; and was Shimizu Visiting Professor in the Department of Civil and Environmental Engineering at Stanford University from April to June 2015.
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