Misd chap 9 enterprise applications

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Misd chap 9 enterprise applications

  1. 1. ENTERPRISE APPLICATIONS MGT OF ISD (IMS452)
  2. 2. OVERVIEW <ul><li>Enterprise application is an application that is widely used throughout the organization and integrates the operations of many different departments and functions </li></ul><ul><li>There have several enterprise applications such as e-mail, directory services and enterprise resource planning </li></ul><ul><li>E-mail (electronic mail) is a written message that is sent and received over electronic communication system </li></ul>
  3. 3. Pros and cons of e-mail <ul><li>PRO </li></ul><ul><li>The receipt can deal with the communication at their convenience </li></ul><ul><li>Allow for collaborative online work </li></ul><ul><li>Creates virtual paper trail </li></ul><ul><li>Can easily include additional reference material </li></ul><ul><li>Delivery is virtually immediate </li></ul><ul><li>CON </li></ul><ul><li>The message may be misinterpreted </li></ul><ul><li>Some people more comfortable with written communication </li></ul><ul><li>Greater risk of confidential communication getting wider distributed </li></ul><ul><li>Make interaction impersonal or lead to confusion </li></ul><ul><li>While it isn’t interactive, no complex discussion or involved issues </li></ul>
  4. 4. Cont.. Pros and cons of e-mail <ul><li>PRO </li></ul><ul><li>Little chance of the communication being lost </li></ul><ul><li>Allows the recipients to scan the material to find the pertinent information </li></ul><ul><li>it’s virtually an anytime, anywhere solution </li></ul><ul><li>Message can be added or remove easily </li></ul><ul><li>CON </li></ul><ul><li>Because it’s so convenient, it can easily be overwhelming, even leading to over communication </li></ul>
  5. 5. E-mail versus Phone calls <ul><li>E-mail is often the fastest and most efficient method of making an exchange of information </li></ul><ul><li>Phone calls can be faster but the information exchange is not recorded </li></ul><ul><li>Phone calls aren’t in form that lends itself to re-evaluation </li></ul><ul><li>Phone calls aren’t appropriate for all exchanges because of the length of some material </li></ul><ul><li>Voice mail doesn’t lend itself to lengthy message </li></ul><ul><li>Email can be quite long and very detailed in its content because the receipt can scan the message </li></ul>
  6. 6. The Quality of E-mail communication <ul><li>Educate the users on the key principles of email </li></ul><ul><li>Some of simple principles of using e-mail: </li></ul><ul><ul><li>Keep it brief </li></ul></ul><ul><ul><li>Make the subject line count </li></ul></ul><ul><ul><li>Reply to all emails that expect one </li></ul></ul><ul><ul><li>Differentiate TO and CC recipients </li></ul></ul><ul><ul><li>Use the reply all button with extreme caution </li></ul></ul><ul><ul><li>Spell check all e-mails </li></ul></ul><ul><ul><li>When stressed or angered, don’t’ hit the send button </li></ul></ul><ul><ul><li>Define policies and guidelines for saving e-mail </li></ul></ul>
  7. 7. E-mail product choices <ul><li>Industry standards </li></ul><ul><ul><li>To ensure messages interoperability with other products </li></ul></ul><ul><ul><ul><li>eg Microsoft’s Exchange, IBM’s Lotus Notes </li></ul></ul></ul><ul><ul><li>Internet message access protocol (IMAP) </li></ul></ul><ul><ul><ul><li>Client/server environment that allows to view and manipulate e-mail while it’s still on the server </li></ul></ul></ul><ul><ul><li>Post office protocol 3 (POP-3) </li></ul></ul><ul><ul><ul><li>Store and forward environment. Mail is held on the server until it connect and download to the workstation </li></ul></ul></ul><ul><ul><li>Multipurpose internet mail extensions (MIME) </li></ul></ul><ul><ul><ul><li>Specification is for formatting non-text messages (graphic, audio, video) so that they can be sent over the Internet </li></ul></ul></ul>
  8. 8. Managing E-mail <ul><li>Junk mail (spam, chain letters, phishing, jokes </li></ul><ul><ul><li>Have email packages to identify the sources </li></ul></ul><ul><ul><li>Anti spam solution that filter the spam </li></ul></ul><ul><ul><li>Help desk or staff tracking to maintain white and black list of anti-spam </li></ul></ul><ul><li>Harassment </li></ul><ul><ul><li>Must have clear cut policy from senior management </li></ul></ul><ul><ul><li>Work with Legal and HR department to define it </li></ul></ul><ul><li>Virus </li></ul><ul><ul><li>Should have anti-virus software on e-mal servers that scans messages and their attachments </li></ul></ul>
  9. 9. Cont .. Managing E-mail <ul><li>Data size and retention </li></ul><ul><ul><li>Corporate policy sets the limits on the size of messages and mailboxes and the age of message </li></ul></ul><ul><ul><ul><li>Users must be aware of these policies </li></ul></ul></ul><ul><ul><ul><li>This limit must be set after consider users’ need </li></ul></ul></ul><ul><li>Appropriate use </li></ul><ul><ul><li>Most organization expect and tolerate on non-related work messages as long they aren’t oversized and non-content offensive e-mails </li></ul></ul><ul><ul><li>Many organization automatically add disclaimers to any e-mail messages that are sent outside the company </li></ul></ul><ul><li>E-mail archiving </li></ul><ul><ul><li>Become a growing requirement </li></ul></ul><ul><ul><li>Archiving solutions keep copies of e-mail sent and received, and easy search </li></ul></ul>
  10. 10. DIRECTORY SERVICES <ul><li>The goal of directory services is to greatly reduce the administration, user-burden and security risk that can be associated with multiple IDs </li></ul><ul><li>Moving toward a single ID and Password </li></ul><ul><ul><li>Single-sign on (SSO) – the user can sign on to the network, e-mail and all the business applications they will need to access </li></ul></ul>
  11. 11. Directory structure <ul><li>Set-up in a hierarchical or tree fashion – similar to an organization chart </li></ul><ul><li>Elements found in the directory: </li></ul><ul><ul><li>Object (directory entries) </li></ul></ul><ul><ul><li>Organization unit- similar as folder in a file system </li></ul></ul><ul><ul><li>Attribute – provides some specifics about an object </li></ul></ul><ul><ul><li>Object class – defines which attributes are required /optional and allowed in an entry </li></ul></ul><ul><ul><li>Distinguished name </li></ul></ul>
  12. 12. Directory services standards <ul><li>X.500 and directory access protocol </li></ul><ul><ul><li>X.500 is a set of several standards for directory services, originally developed to support the needs of the X.400 e-mail standards </li></ul></ul><ul><ul><li>The directory access protocol (DAP) defines the standards for accessing X.500 directories </li></ul></ul><ul><li>Lightweight Directory Access Protocol (LDAP) </li></ul><ul><ul><li>Is a protocol for accessing a directory </li></ul></ul>
  13. 13. Choices in Directory Services <ul><li>Active directory from Microsoft </li></ul><ul><li>Sun Java System Directory Server form Sun Microsystem </li></ul><ul><li>E-Directory from Novell </li></ul><ul><li>OpenVMS Enterprise Directory from Hewlett-Packard </li></ul><ul><li>RedHat Directory Server from Red Hat </li></ul><ul><li>Tivoli Directory Server from IBM </li></ul><ul><li>Apache Directory Server from Apache </li></ul>
  14. 14. INTERPRISE RESOURCE PLANNING (ERP) <ul><li>Is a set of activities that a company engages in to manage its resources across the entire enterprise </li></ul><ul><li>Activities such as product planning, sales programs, material purchasing, maintaining inventories, and performing classically defined HR functions </li></ul><ul><li>With ERP, company can essentially have a single application and database for all its vital business functions (integrated applications) </li></ul>
  15. 15. Costs of implementing ERP <ul><li>It is costly </li></ul><ul><li>The biggest costs are the consultants that need to assist in the implementation </li></ul><ul><li>Others cost </li></ul><ul><ul><li>Training </li></ul></ul><ul><ul><li>Support </li></ul></ul><ul><ul><li>Additional hardware </li></ul></ul>
  16. 16. Major changes required <ul><li>The way it does business has to change in order to implement ERP package </li></ul><ul><li>Changes in software related, departments function, organization, procedures, employee’s roles and company operations </li></ul>
  17. 17. Decision for implementing ERP <ul><li>IT manager will be part of a group of committee making decision </li></ul><ul><li>ERP may be the single largest IT project </li></ul><ul><li>Its success or failure may lead to the success or failure of many executives and department </li></ul>
  18. 18. Disadvantages to ERP <ul><li>The very rigid structure of ERP sometimes makes it difficult to adapt to the specific needs of individual organizations </li></ul><ul><li>The sophisticated ERP software make more features and functions needed during installation -> drives up costs and reduce usage as it too complex to use </li></ul><ul><li>The cost to implement and maintain ERP system is very high and can challenge ROI calculations </li></ul><ul><li>Some department or users feel they will loss control on their data as it switch to an enterprise –wide solution </li></ul>

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