S4B_SOA_TD_Answer_Guide - Session 4B Service-Oriented...

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Session 4B: Service-Oriented Architecture at TD Banknorth, Answer Guide 1. Why did TD Banknorth implement a service-oriented architecture? - The bank was faced with the loss of maintenance and support from an existing supplier, so they had to come up with a rapid way to convert these systems so that they could be readily upgraded in-house. - SOA can be implemented in modules, as it provides for front-end, modularized access to central databases. In this way, the software can be converted gradually, rather than converting the entire system at once. - They enabled the applications in individual functional areas of the business to communicate with each other as they were implemented using a standard web- based interface. - It provided an opportunity for shorter development times and lower development costs due to the use of the web-based interface. - It also offered high reuse of services as the software was written in modules, so components could be re-used in other modules. - It provided high payback (rapid return on investment) and savings from the
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This note was uploaded on 04/11/2011 for the course ADMS 2511 taught by Professor Jiu during the Spring '09 term at York University.

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