nanog mailing list archives
Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco)
From: Mikael Abrahamsson <swmike () swm pp se>
Date: Tue, 20 Jan 2009 20:58:21 +0100 (CET)
On Tue, 20 Jan 2009, Paul Vixie wrote:
"Cisco VNI projections indicate that IP traffic will increase at a combined annual growth rate (CAGR) of 46 percent from 2007 to 2012, nearly doubling every two years. This will result in an annual bandwidth demand on the world's IP networks of approximately 522 exabytes2, or more than half a zettabyte."
Two thoughts:Why do some people think that bytes/month is a relevant measure of traffic? Peak bits/second is what you need to make your network handle for it to perform well.
For me CAGR of 46% is a slowdown. I'm used to 75-120% growth per year in traffic, 46% is a relief. As markets mature (we're seeing decline in # of DSL lines in the country, increase is in LAN and mobile) less new people are going online (the ones who want Internet access already have it) and the increase per year in traffic by existing users is slower than the increase seen during the rush of new users coming online.
This will of course vary by where you are in the world... -- Mikael Abrahamsson email: swmike () swm pp se
Current thread:
- "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Paul Vixie (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Randy Bush (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Matthew Kaufman (Jan 20)
- Message not available
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Matthew Kaufman (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Matthew Kaufman (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Randy Bush (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Mikael Abrahamsson (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Patrick W. Gilmore (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) bmanning (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Marshall Eubanks (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Patrick W. Gilmore (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) bmanning (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Adrian Chadd (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Patrick W. Gilmore (Jan 20)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Adrian Chadd (Jan 21)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Patrick W . Gilmore (Jan 21)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Adrian Chadd (Jan 21)
- Re: "IP networks will feel traffic pain in 2009" (C|Net & Cisco) Marshall Eubanks (Jan 20)