U Could Finish
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Presentation given in defense of ucouldfinish.com, a service that texted UCF students when classes had open enrollment become available. Created by marketing senior Tim Arnold.
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U Could Finish
- 2. UCF Senior Studying Marketing From Jupiter, FL Employed as Webmaster for UCF’s First Year Experience office
- 3. Prospective Students: Campus Tour Guide with Undergraduate Admissions Orientation Team 2011 Students: LEAD Scholar Alumni Late Knights Marketing Director Sigma Nu Fraternity Recruitment Chairman Marketing Internship Program Society for Marketing Professionals Treasurer Alumni: Homecoming Court 4EVER KNIGHTS Alumni Ambassador
- 5. Creativity I will use my talents to enrich the human experience. -UCF Creed
- 6. Displayed capacity of each parking garage, among other features Centralized parking resource on-the-go Months of work designing and prototyping lead to a meeting…
- 7. “Students wouldn’t find it useful.” -Administrative feedback
- 8. 1 Extremely Dissatisfied to 5 Extremely Satisfied
- 10. “Quitters never win, and winners never quit.” Desire to give back continued
- 13. Find your class Search by Name / Professor / Course Login with Facebook Ensure each user is unique Verify Phone Type back texted code Select update frequency From every 4 hours to every minute Pay with Amazon Price reflects frequency, starting at $0.99
- 14. Student Conduct Case • Access of class information • Service partners • Implementation breakdown
- 16. Facebook Nexmo Amazon Google UCF User Text Ecommerce Class Quick Class Info Verification Messaging Links
- 17. What classes are users trying to get into? Two want 12345 Has class 12345 been updated in the last 3600 seconds? No Give me a sec to search UCF Guest Class Search for class 12345. UCF: Course: ENC 1102,Title: English Composition 2,Total seats: 26, Open seats: 1. Which users want class 1234? John Doe, Jane Smith Nexmo, send a text to John and Jane saying “Class 12345 is open! Just one seat open so be quick!” Then, ask “Did you get in?” Let me know what they say. Nexmo: John said “I did!” and Jane said “Nope ” Remove John from class 12345, resume looking for Jane.
- 18. Thousands of hours of development Nearly $1,000 cash invested Shutdown without contact No response to my emails and voicemails
- 19. Student Conduct Case • Student Conduct Shutdown Email • Use of Information Technologies and Resources Policy • Golden Rule
- 20. Usage is not what caused U Could Finish to be shut down by UCF My post on Reddit, a social news website frequented by IT audiences
- 21. “The ucouldfinish Website logs into myUCF every 15 minutes and runs searches on every course using a guest search capability, according to the student who wrote the application.” “Each search take the system 14 minutes of processing, which means that ucouldfinish.com is almost constantly scanning every course in the catalog. That means it is placing a significant load on our PeopleSoft portal.”
- 22. “[The final] version of the script is highly optimized to reduce load on myUCF as much as possible. It only searches for the exact classes users are trying to look for, and only on the interval they ask for.” http://www.reddit.com/r/ucf/comments/unv77/hey_ucf_redditors_i_built_a_site_that_texts_you/
- 23. “Users are responsible for any activity originating from their accounts that they can reasonably be expected to control. Accounts and passwords must not be shared with others.”
- 25. “searches [..] using a guest search capability, according to the student who wrote the application.” - Joel Hartman
- 26. “The university's computing and telecommunications resources shall not be used to impersonate another individual or misrepresent authorization to act on behalf of other individuals or the university. All messages transmitted through university computers and telecommunications networks must correctly identify the sender”
- 27. “The university provides e-mail and other electronic messaging systems only for official university business. University employees are allowed to make incidental use of such systems for necessary personal messaging. The following uses of university messaging systems by students and employees are prohibited under this policy: […] g. commercial use or personal financial gain”
- 28. “Messaging system - Software that provides an electronic mail delivery system. It is made up of the following functional components, which may be packaged together or independently. Mail User Agent, Message Transfer Agent, Message Store, The Internet's SMTP” - http://encyclopedia2.thefreedictionary.com/messaging+system
- 32. “Misuse […] of computing facilities and telecommunications resources to interfere with normal operation of the University computing system”
- 33. “Users shall not use computer or telecommunication systems in such a manner as to degrade or disrupt the normal operation of voice or data networks or university computer systems or to intentionally damage or disable computing or telecommunications equipment or software.”
- 34. “Users shall not […] degrade or disrupt [myUCF's] normal operation” Degrade - to lower to an inferior or less effective level Disrupt - to interrupt the normal course or unity of Interfere - to be inconsistent with and disturb the performance of previously learned behavior
- 35. “Users shall not […] degrade or disrupt [myUCF's] normal operation”
- 36. “Users shall not […] degrade or disrupt [myUCF's] normal operation” “According to Joel Hartman, Vice Provost for Information Technologies and Resources at UCF, Sun really delivers in all regards. The Sun infrastructure for Oracle’s PeopleSoft applications at UCF provides outstanding reliability, investment protection, and performance”
- 37. “Users shall not […] degrade or disrupt [myUCF's] normal operation”
- 38. “Users shall not […] degrade or disrupt [myUCF's] normal operation” “Further raising compute power requirements, there are a number of instances when the enterprise architecture must handle five to ten times the normal transaction load. Orientation programs for incoming students and class enrollment periods provide a couple of examples.”
- 39. “Users shall not […] degrade or disrupt [myUCF's] normal operation” U Could Finish averaged 814 requests per day average after launch. 0.54% or less of the amount myUCF is designed to handle. And that’s without factoring in optimization.
- 40. “Users shall not […] degrade or disrupt [myUCF's] normal operation” A typical user pulls as high as 1,001.41 KB of data across 69 requests for all assets.
- 41. “Users shall not […] degrade or disrupt [myUCF's] normal operation” U Could Finish pulled 13.75 KB of data for just text, in one request.
- 42. “Users shall not […] degrade or disrupt [myUCF's] normal operation” Data Transfer U Could Finish requests up 1,200.00 to 70 times less data per 1,000.00 800.00 page than a normal desktop 600.00 user loading all images and 400.00 assets. 200.00 0.00 Not even considering User Load U Could Finish combined requests. Data in KB Load
- 43. “Users shall not […] degrade or disrupt [myUCF's] normal operation” If each of our users searched on their own every 4 hours, they would use up to 181 MB more data daily, loading all assets.
- 45. “Users shall not […] degrade or disrupt [myUCF's] normal operation” If every student searched myUCF for one class every 4 hours, the amount of data transferred would be equivalent to all print literature at the Library of Congress in 7 days. If U Could Finish did this same task for the same amount of time, it would fill 1/5th of a floor at one of their 3 buildings.
- 46. “Users shall not […] degrade or disrupt [myUCF's] normal operation” If U Could Finish was disrupting or degrading myUCF, why didn’t they notice before my Reddit post?
- 47. “Servers in the enterpise [sic] data center are monitored 24 hours a day, seven days a week by an operations staff and software.” - Enterprise Systems and Operations, Computer Services & Telecommunications, UCF https://publishing.ucf.edu/sites/itr/cst/Pages/EsoServices.aspx
- 48. “Users shall not […] degrade or disrupt [myUCF's] normal operation” Additionally, degradation of myUCF implies previous satisfaction Degrade - to lower to an inferior or less effective level Disrupt - to interrupt the normal course or unity of Interfere - to be inconsistent with and disturb the performance of previously learned behavior
- 49. “Users shall not […] degrade or disrupt [myUCF's] normal operation”
- 50. “Users shall not […] degrade or disrupt [myUCF's] normal operation” User effects from website load times from Google and Bing data http://radar.oreilly.com/2009/06/bing-and-google-agree-slow-pag.html
- 51. “Users shall not […] degrade or disrupt [myUCF's] normal operation”
- 54. “Users shall not […] degrade or disrupt [myUCF's] normal operation” Based on my numbers, I’m not taking away from the system. I’m helping students create a better experience.
- 55. “Any violation of the University of Central Florida Use of Information Technology and Resources Policy”
- 56. Student Conduct Case Creativity I will use my talents to enrich the human experience.
Editor's Notes
- I consider myself to be a leader, and try to advance the general interests of UCF in all that I do.
- I have a lifelong passion for technology – I pursued a marketing degree to diversify my skills and learn how to apply them in business. I’ve started three companies and have built web solutions for non-profits, chain businesses, and large enterprises.
- To understand why U Could Finish was undertaken in the way it was, you must first understand my last attempt to give back to UCF.
- Proposed app solution to UCF’s parking woes.
- At this meeting, administrators shot down the idea.
- After the meeting, I conducted a survey. Here is the data from the 172 student responses.
- U Could Finish was a web application that helped students find and enroll in classes they need to keep their education on track.
- User flow through the web application from start to starting class monitoring. Next steps would be notification of open seats and enrollment.
- U Could Finish was made possible by a public resource UCF provides, the guest Class Schedule Search link on the frontpage of myUCF. No logins are required.As I was an orientation team member, I was trained on and understand concerns regarding FERPA, and only built U Could Finish because it used this public method of access with no student information.
- There were many facets to U Could Finish development beyond simply searching on myUCF. Each of these services was integrated to provide the best user experience for students.A lot of these decisions were made from discussions with experts in technical fields and higher education.
- This is a written-out example of how the server-side logic and code worked to check classes and notify users.The text notification simply sends a link to http://my.ucf.edu – there isn’t any way I could get their information even if I wanted it.
- As you have seen so far, U Could Finish was a complex creation that required a great investment of time and money to create. As a student, employee, and fan of this University I was very disappointed when it was all brought to a halt without so much as an email, or return to my calls after it happened.
- Claim by Joel Hartman,Vice Provost for Information Technologies and Resources, of how U Could Finish placed “significant load” on UCF systems.
- As Joel claimed from reading my post on Reddit, a social news site, it did originally search every 15 minutes back in December / January. I have highly refined and optimized the service since then to reduce load as much as possible.I saw this as a problem and this is why I fixed it!
- Account sharing claimed violation.
- As U Could Finish utilizes the guest link and does not use or collect any user account information, this is not applicable.
- Account sharing claimed violation.
- No impersonation is done as no student information is used when communicating with myUCF.
- This policy is limited, as it states, to university messaging systems. As U Could Finish does not use any messaging systems, this is not applicable.
- Messaging system is defined as a component of electronic mail.
- Knights Email is a university messaging system.
- myUCF Notifications of holds and To Dos could be considered a university messaging system.
- Guest Class Schedule Search is not a university messaging system. It is a public access search engine.
- Definitions from http://www.merriam-webster.com
- UCF’s server architecture is a vast network of specialized servers designed by industry experts, and is cited as a model network by the server manufacturer, Sun Microsystems.While it is impossible to know the exact capabilities of the UCF web system without working within their department, as a web developer and programmer for the past 11 years, and a current webmaster for a UCF office, I am qualified to make these statements using supporting data to their capacity.Source: CREATING ADVANCED ARCHITECTURES FOR ORACLE’S PEOPLESOFT ENTERPRISE APPLICATIONS WITH SUN™ TECHNOLOGY AND EXPERTISE, A Technical Brief for the Education Market, September 2007, http://sosc-dr.sun.com/third-party/global/oracle/psoft/ed_peoplesoft.pdf
- Joel, the initiator of this conduct case, stating how powerful the myUCF server network is in a technical brief for universities published by Sun Microsystems.
- Google’s estimate of myUCF’s average daily traffic.
- The technical brief shares that myUCF is designed to be capable of 5 to 10 times the average daily load.
- 32 active classes when shut downx 1.06 per hour average update intervalx 24 hours in a day-------------814 requests / day
- What this means on the next slide…
- Additionally if any users overlapped on the class they were requesting, U Could Finish would combine their request.
- Every 4 hours user search (24/4)*32 = 192(1001.81*192)-(13.57*814) = 181,301.54
- Library of Congress’s 3 buildings
- 10000000000 kb of data in lib congress / ((1001.81 kb per load*4 pages loaded to search) * 58000 students * (24 / 4) check every 4 hours) = 28.6837147U Could Finish in the same time: (((13.57*4) * 58000 * (24 / 4))*7 = 132.2 GB1/5th of a floor: 132,200,000 kb /(10,000,000,000 total kb / 14 floors)
- U Could Finish was running for days with users before the shutdown, and in development for some time before going public. If that load was a problem, why wasn’t it blocked then?
- Load was higher in December / January than when shutdown occurred.
- U Could Finish was running for days with users before the shutdown, and in development for some time before going public. If that load was a problem, why wasn’t it blocked then?
- I’d argue thatmyUCF actually degrades and disrupts students lives. Checking for classes all the time disturbs students by disrupting their lives, gluing them to their computer hoping that their class opens up. This is far less effective than notification when they can actually enroll in the needed class.
- Neustar Web Performance is a service that tests website speed for free to promote webmasters to make their websites load faster.Source: https://browsermob.com/free-website-performance-test/
- Google provides a PageSpeed insight tool to help developers optimize their webpages to decrease load time. Google search results factor in load time and rank lower sites that load slowly.As explained above, a lower PageSpeed score indicates more room for improvement.
- For comparison, U Could Finish rated an 80/100 on improvements.
- If you feel that the rest of the previous allegations are not valid, this is no longer applicable.