Certain sectors are growing stronger than others. Edge aggregation routers are growing at 41 percent.
Carriers are more interested in edge switches that offer flexible bandwidth.
One hot area is edge routers that allow you to scale up at smaller bandwidth increments. Businesses find it is hard to justify paying for the jump. Newer edge routers go in 100 Gbps increments. The report, Service Provider Core and Edge Hardware , includes core ATM edge switches and IP core routers in its core hardware research. Voice over broadband gateways also are doing very well in terms of growth, Mitchell says.