mgmd 233 mis topic 3 enterprise infrastructure integration n.
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MGMD 233 –MIS Topic 3: Enterprise Infrastructure & Integration

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MGMD 233 –MIS Topic 3: Enterprise Infrastructure & Integration. AMN 2012/2013. INTRODUCTION.

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  • A service-oriented architecture (SoA) is a software architecture perspective that focuses on the development, use, and reuse of small sell-contained blocks of code (services) to meet all the application software needs of an organization.
  • It also can be used as a philosophical approach to help the organization of the future meet all its IT-related needs and help organization respond to:-
  • **refer text figure 7.1 – SoAPhilosopy
hardware software infrastructure
  • Infrastructure – “the structure beneath a structure” – implies different layers of structure, which provide support / services.
  • IT infrastructure is the implementation of architecture (SoA) for an organization’s structure.
  • In corporation, IT infrastructure includes the hardware, software (e.g ERP) & information that to ensure the components work together & enable people, business processes, customer interact & perform their tasks.
erp revisited
ERP (revisited)
  • Enterprise resource planning (ERP) system – collection of integrated software for business management, accounting, finance, supply chain management, inventory management, customer relationship management, e-collaboration, etc
  • For ERP to integrate everything, everything must be plug-and-play components or services
  • All modules of an ERP vendor must be interoperable
  • Software from multiple ERP vendors must be interoperable
  • The infrastructure beneath must be hidden from users and customers
  • **refer figure 7.5 – an ERP infrastructure
supporting network infrastructure
  • Network is two / more computers sharing information, software, peripheral devices, processing power.
  • It’s a fundamental underlying infrastructure for any IT environment.
  • There are 5 major types of network infrastructures
cloud computing
  • Cloud computing – model in which any and all IT resources are delivered as a set of services via the Internet such as:-
    • Application software
    • Processing power
    • Data storage
    • Backup facilities
    • Development tools
    • Literally everything
cloud computing goals
  • Pay for only what you need and use
  • Real-time scalability (up or down)
  • Align computing costs with level of business activity
  • Reduce fixed costs in IT infrastructure
public private cloud
  • Public cloud – comprises cloud services that exist on the Internet offered to anyone and any business.
    • Amazon Web Services (AWS)
    • Windows Azure
    • Rackspace Cloud
    • Google Cloud Connect
    • ElasticHosts
public private cloud1
  • Private cloud – cloud computing services established and hosted by an organization on its internal network and available only to employees and departments within that organization.
  • All benefits of cloud computing, except held private within an organization
advantages of cloud
  • Lower capital expenditures
  • Lower barriers to entry
  • Immediate access to a broad range of application software
  • Real-time scalability
business continuity planning bcp
  • Business continuity planning (BCP) – rigorous and well-informed organizational methodology for developing a business continuity plan, a step-by-step guideline defining how the organization will recover from a disaster or extended disruption
  • BCP is very necessary today given terror threats, increased climate volatility, etc
bcp phases osp
BCP Phases – OSP

Organizational Strategic Plan

- it all starts here with understanding the relative importance of resources, systems, processes, & other organizational assets.

bcp phases analysis
BCP Phases - Analysis
  • Analysis phase the organization performs on the:-
    • Impact analysis – risk assessment, evaluating IT assets, their importance, and susceptibility to threat
    • Threat analysis – document all possible major threats to organizational assets
    • Impact scenario analysis – build worst-case scenario for each threat
    • Requirement recovery document – identifies critical assets, threats to them, and worst-case scenarios
bcp phases design
BCP Phases - Design
  • Design phase the organization deign a formal, technical and detailed plan for recovering from a disaster.
  • Build disaster recovery plan, may include
    • Collocation facility – rented space and telecommunications equipment
    • Hot site – fully equipped facility where your company can move to
    • Cold site – facility where your company can move to but has no computer equipment
bcp phases implementation
BCP Phases - Implementation
  • Implementation phase is engaging any businesses that will provide collocation facilities, hot sites, and cold sites.
  • Implement procedures for recovering from a disaster
  • Train employees
  • Evaluate each IT system to ensure that it is configured optimally for recovering from a disaster
bcp phases testing
BCP Phases - Testing
  • As opposed to traditional SDLC, testing in BCP methodology occurs after implementation
  • Testing involves executing simulated scenarios of disasters and having employees execute on the disaster recovery plan to ensure that solution satisfies for organization’s recovery requirements.
bcp phases maintenance
BCP Phases – Maintenance
  • Perform testing annually, at a minimum
  • Change business continuity plan as organizational strategic plan changes
  • Evaluate and react to new threats
  • No “system” is ever complete