1. Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008

2. Queensland University of Technology CRICOS No. 00213J Overview Features Elements Activation Sequence Quotas Traffic Bandwidth Management Usage Reports and Monitoring Future Trends

3. Queensland University of Technology CRICOS No. 00213J QUT Internet Accounting - Features Juniper Internet Accounting solution (3 years) Real time user level accounting and billing Web login Gigabit throughput Uses BGP to dynamically update free and charged sites Current System handles 8,000 users simultaneously in peak times

4. Queensland University of Technology CRICOS No. 00213J Internet Accounting Service - Elements E-series edge router (ERX) –Creates Dynamic Subscriber Interfaces (DSI) for new connections –Routes the new interface based on SDX instructions –AARNet BGP community strings are used to forwarded "over" the DSIs for free traffic, flows through DSIs for charged traffic Service Deployment System (SDX-300 on Solaris) –Sends provisioning, routing, & data rates info to ERX –Access Control is provided by LDAP service –LDAP stores user account details and policies Access Portal (Linux + Apache) –Provides Authentication Services

5. Queensland University of Technology CRICOS No. 00213J IAS – Activation Sequence Client attempts an Internet connection Packet hits the ERX –DSI is created –DSI Route policies applied –Queries SDX for DSI policy Client is redirected -> Access Portal –AP sends login user message SDX Setup the DSI –classifies the user –sends the user policy to the ERX for the DSI Client now has access to the internet –Client keep alive browser window keeps internet connection open

6. Queensland University of Technology CRICOS No. 00213J Student Quota Type Description IAS Entitlement (MB) 0Non-Quota(Staff)0 1Non-Credit0 2Under-Graduate, Part-Time75 3Under-Graduate, Full-Time150 4Under-Graduate, External75 5Post-Graduate, Part-Time150 6Post-Graduate, Full-Time300 7Post-Graduate, External150 8Post-Graduate, Research, Part-Time 225 9Post-Graduate, Research, Full-Time 450 10Post-Graduate, Research, External 225 11International750 12Guest IAS [previously Gold-Pass Holders] 300 15Leave of Absence0 Free quota based on enrolment type for Students –This covers legitimate Internet usage like tutorials, study etc. Staff have unlimited quotas Student and Staff Quotas

7. Queensland University of Technology CRICOS No. 00213J IAS - Provisioning User Provisioning –QUT's corporate directory push user details to the LDAP directory on the SDX –Account name & authorisation information are used by DSI's on the ERX Server Provisioning –QUT’s Server Registration System manages and when the ERX queries the SDX as to how it is to manage a new interface, the SAE will reply with a Static Subscriber Interface (SSI) and the service will be automatically provided with service –Servers are not quota limited.

8. Queensland University of Technology CRICOS No. 00213J Internet Access Service Traffic Bandwidth Management Traffic shaping –No driver to traffic shape Rate limit traffic –Students are limited to 10M and then rate limited to modem speeds (56K) once they go over quota –Staff are limited to 10M –Supervisors to place a limit on the amount of traffic downloaded by an individual.

9. Queensland University of Technology CRICOS No. 00213J Usage Reports and Monitoring IAS Reports –Current Status –Personal reports – Admin reports based on cost centre Usage Monitoring –Done by the business

10. Queensland University of Technology CRICOS No. 00213J Internet Usage Trends Internet Usage will increase even though QUT has a quota based system

11. Queensland University of Technology CRICOS No. 00213J What Next? In 2008-9 QUT will either refresh or replace the current Internet Accounting System –Replace keep alive window –Increase concurrent use limits –Remove in-house developed code

12. Queensland University of Technology CRICOS No. 00213J TheEnd