queensland university of technology cricos no. 00213j internet access and accounting @ qut presented...
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![Page 1: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/1.jpg)
Queensland University of Technology
CRICOS No. 00213J
Internet Access and Accounting @ QUT
Presented by:
Peter Kurtz
February 2008February 2008
![Page 2: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/2.jpg)
Queensland University of Technology
CRICOS No. 00213J
Overview
• Features• Elements• Activation Sequence• Quotas• Traffic Bandwidth Management• Usage Reports and Monitoring• Future Trends
![Page 3: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/3.jpg)
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
![Page 4: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/4.jpg)
Queensland University of Technology
CRICOS No. 00213J
Internet Accounting Service - Elements
KGNetscreen ISG
GPNetscreen ISG
KG Router
CA Router
KG SDX
GP SDX
Internet Router
GP Router
Charged
KG ERX
Charged
GP ERX
IAS Portal
• 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
![Page 5: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/5.jpg)
Queensland University of Technology
CRICOS No. 00213J
IAS – Activation Sequence
KGNetscreen ISG
GPNetscreen ISG
KG Router
CA Router
KG SDX
GP SDX
Internet Router
GP Router
Charged
KG ERX
Charged
GP ERX
IAS Portal
• 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
![Page 6: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/6.jpg)
Queensland University of Technology
CRICOS No. 00213J
Student Quota Type Description
IAS Entitlement
(MB)
0 Non-Quota(Staff) 0
1 Non-Credit 0
2 Under-Graduate, Part-Time 75
3 Under-Graduate, Full-Time 150
4 Under-Graduate, External 75
5 Post-Graduate, Part-Time 150
6 Post-Graduate, Full-Time 300
7 Post-Graduate, External 150
8 Post-Graduate, Research, Part-Time
225
9 Post-Graduate, Research, Full-Time
450
10 Post-Graduate, Research, External
225
11 International 750
12 Guest IAS [previously Gold-Pass Holders]
300
15 Leave of Absence 0
• 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
![Page 7: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/7.jpg)
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.
![Page 8: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/8.jpg)
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.
![Page 9: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/9.jpg)
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
![Page 10: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/10.jpg)
Queensland University of Technology
CRICOS No. 00213J
Internet Usage Trends
• Internet Usage will increase even though QUT has a quota based system
![Page 11: Queensland University of Technology CRICOS No. 00213J Internet Access and Accounting @ QUT Presented by: Peter Kurtz February 2008](https://reader035.vdocument.in/reader035/viewer/2022062806/5697bfe31a28abf838cb516d/html5/thumbnails/11.jpg)
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
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Queensland University of Technology
CRICOS No. 00213J
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