Young, phillip open source nos


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Young, phillip open source nos

  1. 1. By: Phillip Young
  2. 2. The Network Operating System <ul><li>A fundamental, integral part of the Network </li></ul><ul><li>Disperses data to and from clients and ensures proper communication is facilitated </li></ul><ul><li>Available in proprietary software forms AND Open Source </li></ul><ul><li>Before implementing or considering deployment of Open Source, consider the following factors </li></ul>
  3. 3. Before Choosing Open Source systems… <ul><li>What does Open Source define? </li></ul><ul><li>What comprises Open Source NOSs? </li></ul><ul><li>Open Source must also address: </li></ul><ul><ul><li>Hardware issues </li></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><li>Communication </li></ul></ul><ul><ul><li>Security </li></ul></ul><ul><ul><li>Network/Internet Tools </li></ul></ul>
  4. 4. Overall Goal of Open Source systems <ul><li>POSITIVE return on investment (ROI) </li></ul><ul><li>DECREASED IS expenditures </li></ul>
  5. 5. What is Open Source? <ul><li>Software that openly displays source code for individuals and organizations </li></ul><ul><li>The source code is available to be modified according to the needs of the individual or organization </li></ul><ul><li>Under the terms of Open Source, companies may sell product license and support to other organizations. (According to GNU GPL license) </li></ul>
  6. 6. Underlying Characteristics of Open Source NOS <ul><li>Much of Open Source NOSs revolve around the software’s kernel </li></ul><ul><li>The kernel is what the operating system is based and controls the functions of the system </li></ul><ul><li>Most Open Source NOSs are influenced by Linux and Open UNIX </li></ul>
  7. 7. Underlying Characteristics (Continued) <ul><li>UNIX- Created by computer scientists at historical Bell Labs in 1969 </li></ul><ul><ul><li>Open Source version available </li></ul></ul><ul><ul><li>Proprietary version is owned by Novell </li></ul></ul><ul><li>Linux-Created by Linus Torvald in 1991, released in 1994 </li></ul><ul><ul><li>Many Distributions AKA distros exist for Linux </li></ul></ul><ul><ul><li>SUSE Linux, Redhat, Ubuntu are popular deviations of the operating system </li></ul></ul>
  8. 8. Hardware <ul><li>Not all existing hardware supports Open Source NOS </li></ul><ul><ul><li>Organizations must check minimum requirements of their existing hardware </li></ul></ul><ul><ul><li>Some vendors may specifically target certain operating systems </li></ul></ul><ul><ul><li>Best policy is to ensure existing hardware supports intended software </li></ul></ul>
  9. 9. Software <ul><li>Ensure organization’s software needs are met </li></ul><ul><ul><li>Middleware allows clients consisting of multiple operating systems </li></ul></ul><ul><li> is an excellent alternative to Microsoft Office </li></ul><ul><ul><li>Licenses per client are less than Microsoft Office license </li></ul></ul><ul><li>Open Source operating systems do not have a finite life span and are updated and patched by all in the computing community </li></ul>
  10. 10. Communication <ul><li>Email is the backbone of all organizations </li></ul><ul><ul><li>Zimba is an excellent Open Source alternative to Outlook, with reasonable license fees for clients </li></ul></ul><ul><ul><li>Zimba supports IMAP and POP3 email protocols </li></ul></ul><ul><li>Remote access to terminals is available for Open Source systems </li></ul><ul><ul><li>Many third-party RA vendors also support Open Source </li></ul></ul>
  11. 11. Security <ul><li>Open UNIX/Linux users are assigned levels of permission </li></ul><ul><li>Security loopholes are located and accessible by users and quickly patched </li></ul><ul><li>Apache SSL utilizes Open Source SSL protocol </li></ul>
  12. 12. Network / Internet Tools <ul><li>Centralization of IS tasks is available through Open Source vendors </li></ul><ul><ul><li>Zenoss offers applications to centralize IS management </li></ul></ul>
  13. 13. Network /Internet Tools (continued) <ul><li>Apache offers numerous utilities for Open Source systems </li></ul><ul><ul><li>Apache http is an online server utilized by many </li></ul></ul><ul><ul><li>Apache Tomkat offers a Java work enviroment </li></ul></ul>
  14. 14. Network/ Internet tools (continued) <ul><li>Oracle, the giant in databases offers MySQL in license form for business </li></ul><ul><ul><li>MySQL is extremely popular! </li></ul></ul><ul><li>Cloud-Computing implementation is also available! </li></ul>
  15. 15. Overall benefits of Open Source <ul><li>Licenses are much less than proprietary systems </li></ul><ul><li>Systems are generally more supported because ALL users participate in maintenance and security issues </li></ul><ul><li>Systems do not have a set lifespan </li></ul><ul><li>Office file formats of proprietary systems ARE compatible with the Open Office </li></ul>
  16. 16. End
  17. 17. References <ul><li>Dean, T. (2009). 9. NETWORK+ GUIDE TO NETWORKS 5E (5 ed., p. 454). Cambridge: Course Technology. </li></ul><ul><li>Erlik. (2009, August 5). Tech-no-media: Open Source: many advantages beyond price. Tech-no-media . Retrieved July 2, 2010, from advantages-beyond.html </li></ul><ul><li>Linux Online - About the Linux Operating System. (2007, July 2). The Linux Home Page at Linux Online . Retrieved June 29, 2010, from </li></ul><ul><li>Reyes, F. (2010, March 10). Selecting an Open Source Operating System. . Retrieved July 1, 2010, from open-source-os-opensource-subnet.html </li></ul><ul><li>Rupley, S. (2009, November 11). 10-top-open-source-resources-for- </li></ul><ul><li> cloud-compuuting. Retrieved from </li></ul><ul><li> resources-for cloud-computing/ </li></ul>
  18. 18. References (continued) <ul><li>The GNU General Public License - GNU Project - Free Software Foundation (FSF). (2007, June 29). The GNU Operating System . Retrieved July 7, 2010, from </li></ul><ul><li>The Open Source Definition | Open Source Initiative. (n.d.). Home | Open Source Initiative . Retrieved June 29, 2010, from </li></ul><ul><li>  Wheatley, M. (2004, March 1). Open Source: The Myths of Open Source- - Business Technology Leadership. - Business Technology Leadership . Retrieved July 3, 2010, from Open_ Source?page=3&taxonomyId=3042 </li></ul><ul><li>Zimbra Desktop. (n.d.). Zimbra offers Open Source email server software and shared calendar for Linux and the Mac. . Retrieved July 2, 2010, from </li></ul>