The Harvest Object Cache in New Zealand
Donald Neal
Information & Technology Services
The University of Waikato
d.neal@waikato.ac.nz
Why Cache?
Answers in January 1996:
- Money
- Performance
- Already done by universities
- Access Tracking/Control
Why Use NZIX Cache?
Answers in January 1996:
- Money
- Performance
- It seems the right thing to do
- To see how well it works
A Production Service
Operators of Communicating Caches - 30 March 1996
Software of Communicating Caches - 30 March 1996
The Harvest Cache Software
Free Software
- Harvest Cache v1.4 pl 3 available since March 1996
- Squid beta release April 1996
Commercial Software
- Harvest 2.0 released April 1996
The NZIX Cache April - May 1996
April
- Transfer NZIX production load to Harvest 2.0 on Solaris 2.5
- Increase disc in use to roughly 12GB
- Review Relationship with NLANR Caches
May
Install Harvest 2.0 on SunSITE for school use
The Harvest Network as Seen From New Zealand
Caching in a Competitive Market
The Money
Peak and Off-peak rates per Megabyte. For NZIX:
Peak Charge = Peak Advertised Rate x International Traffic by NZIX Cache / Traffic Served to Customers (from server logs)
Issues
- Pricing Structure of the Competition
- Avoidance of Cross-Subsidy Creation by Cache Use