Worldwide revenue for service provider routers and switches totaled $1.63 bln in Q1 2005, up less than 1% from Q4 2004 and up 16% YTY, and is forecast to reach $8.9 bln in 2008, according to Infonetics Research. Worldwide revenue for service provider IP routers totaled $1.1 bln in Q1 2005, up 7% sequentially and up 25% YTY.