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

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Mgmd 233 mis topic 3 enterprise infrastructure integration

MGMD 233 –MISTopic 3: Enterprise Infrastructure & Integration

AMN 2012/2013


  • 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