distance education
Post on 09-Jan-2016
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Distance Education
SNA step 1
Team membersStep 1 experts
Adrian Sia Xavier Appé
Step 2 experts Anoop Georges Salvador Gonzales
Step 3 experts Augustine Ani (Team leader) Zijian Cao
Step 4 experts Smit Gupta Joe Ondercin
ScheduleOne meeting every two weeks at 1PM on Saturday09/15/01 1st project meeting – step 1 discussion (completed)09/20/01 client interview with Mel Rosso (completed)09/22/01 2nd project meeting – step 1 presentation dry run (completed)09/25/01 client interview with Michael Carriger (completed)09/26/01 Step 1 presentation10/13/01 3rd project meeting – step 2 discussion10/27/01 4th project meeting – step 2 presentation dry run10/31/01 Step 2 presentation11/10/01 5th project meeting – step 3 presentation dry run 11/14/01 Step 3 presentation11/24/01 6th project meeting – step 4 and final report discussion12/1/01 7th project meeting – step 4 presentation dry run12/5/01 Step 4 presentation12/12/01 Project report submittalNote: additional client interview(s) may be conducted when deemed necessary.
Business mission
To offer the same high quality MSE courses currently available to resident students, to distance education students
Network topology
Ethernet 100Mb/s
Software components
Admin server Product server
Admin serverWin NT 4.0 last Service packOracle 7.0
Product serverLinuxApache, MySQLImeet, IRCd as backup
Server functionsAdmin serverWin NTOracle
Product serverLinuxApache, MySQL Admin server
Course ManagementProgram managementBillingStudent information
Product server CalendarAssignmentFilesReadingForum
List of user
Director, associate directorAdministrative staffTechnical staffDE instructorCourseware specialistContent developerStudents
Organisation Chart
A d m in is tra tive s ta ff x 2C h erylL in d a
Tech n ica l su p p ort x 2X u n
Ju lian
C ou rseware D eve lop er/W eb ad m in x 2
D aw nJen
A ssoc ia te D irec to rM ich ae l
D irec to rM e l
Video grapher
Content Developer
DE instructor
Role: Director
Spearheads the Distance-Education (DE) initiative
Evaluates new & relevant technologies to improve quality of course delivery &
better interactivity reduce turn-around time for course
content preparation
Role: Technical Support
Maintains Admin and Products servers and its web services.
Updates information at the Product Server (Student registration info, Coursewares).
Tracks all emails that send to the course site and disseminate to respective parties.
Role: Administrative Staff
Provides administrative support to students and Instructors.Maintains & updates student info, instructor info, billing info, course and program info at the Admin Server. Sends email to Tech support to update Product Server.Updates course grade manually outside DE ’s network (on external eGrade tool under HUB)
Role: Content Developer
Works with DE instructor to develop course materials for DE.
May also be the DE course instructor.
Provides content to courseware developer.
Role: Courseware Developer
Develops web products to support a DE course.
Provides couseware to Technical support for loading into Product Server.
Role: DE Instructor
Delivers the DE courses using the course materials (delivered to students in CDs).Provides interactive sessions through webchat during scheduled class.Communicates with students using email.Marks & grades assignment.
Role: Student
Access to the DE site for : Downloading of assignments/materials Web-chating Submitting homework
Communciates with instructors through Email, attend interactive classes using webchat.Contact HUB for course grade.100 students at present.
Information Flow
Student
Admin Staff
Technical Support
Admin Server
Product Server
Admin DataBase
Product DataBase
Courseware Developer
Content Developer1
2
2
3
4
DE Instructor
5
1
1
2
2 3
Workflow: Registration
Student 1,2 Student 2
Product Server
Fall Courses
Course 1
Chat,
Home Work
Course 2
Chat,
Home Work
Course 3
Chat,
Home Work
Tech SupportAdmin Staff
Admin Server
Student info
Instr info
Billing -- OK
Course/Program
Student 1 Student 1, 2 Student 2
Update
records
email updates
Workflow: Course Creation
Product ServerFall Courses
Course 1
Chat,
Home Work
Course 2
Chat,
Home Work
Course 3
Chat,
Home Work
Courseware Developer
Content Developer DE Instructor
Technical Support
Workflow: Student Access
Product ServerFall Courses
Course 1
Student 1
Chat,
Home Work
Assignment
downloadsubmit
Student 1 Student 1, 2
Course 2
Student 2
Chat,
Home Work
Student 2
Course 3
Chat,
Home Work
Instr 1 Instr 2 Instr 3
CDs
Critical Assets
Web-services
Cousesite access (Product Server)webchat (Product Server)Emails (External – CMU Network)
are needed on 24x7 basis as they are critical for the DE delivery.
Vendor Dependency
Dependent on vendors for support on an adhoc basis without formal engagementprocedures:
Microsoft - NTOracle - Database
Dependent on CMU Computing Services for
general services pertaining to the wider CMU network.
Security policy
No elaborate security policyNo online paymentPriviledge of each user on the machines
Product server : Admin server : - root : Technical staff - administrator : Technical
staff- access from web : students - Oracle (read/write access) : administrative staff - Oracle (read access) : director, associate director
Security features
No encryption of data transmissionStudent authetification done through clear text by ApacheNo copy protection on CDDefault log information from Apache and Oracle (saved and reviewed every month) Login and Password of students sent by emails
Attack experience
One virus experience on the admin server this month (Nimda)No other detected attacks
Future
Product server may be replaced by BLACKBOARD or other better toolsProvide Streaming capabilityHandle 500 students using same setupProduct Server
Fall Courses
Student 1 Student 1, 2
Course 2
Chat,
Home Work
Student 2
Course 3
Chat,
Home Work
Course 1
Home Work
Chat,
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