Internet Backbones in 2002
Backbone circuits for national ISPs
- OC-48 and OC-192 (10 Gbps) becoming common
- To be converted to OC-192 (10 Gbps) by 2005
- OC-768 (40 Gbps) and use OC-3072 (160 Gbps) in experiment stage
Aggregate Internet traffic
- Growing rapidly
- Expected to reach 40 Terabits per second (Tbps) by 2007.
- NAPs and MAEs becoming bottlenecks
- Requiring larger and larger switches