speaking of 10Gb Ethernet ... anyone who lives in the NY area, there was a
good article in the NY Times a few days ago about 1Gb and 10Gb Ethernet with
sales projections for the next few years. Good read.
Byron Bean, CCNA
>From: [EMAIL PROTECTED] (John Nemeth)
>Reply-To: [EMAIL PROTECTED] (John Nemeth)
>To: "Mark Holloway" <[EMAIL PROTECTED]>, "K Sacca" <[EMAIL PROTECTED]>
>CC: <[EMAIL PROTECTED]>
>Subject: Re: ATM
>Date: Wed, 7 Jun 2000 15:55:27 -0700
>
>On Oct 29, 6:28am, "Mark Holloway" wrote:
>}
>} You honestly think ATM is going to take over Gigabit? ATM had its chance
>in
>
> I don't think it has a chance.
>
>} business. ATM on the WAN is still growing rapidly, but ATM on the LAN is
>
> Actually with technologies such as 10GbE (expected in the next
>year or so), [CD]WDM, MPLS, lamba switching (switching of light rays),
>etc. I expect that ATM will soon start to die in the WAN as well,
>except for legacy networks. ATM is just too expensive, complicated,
>and inefficient. It has a 9.4 per cent raw overhead per cell and when
>you add in all the gobbledygook necessary to actually use it, the
>overhead supposedly comes to 24.5 per cent. On the bottom of page 298
>in TND, Priscilla says:
>
>"One disadvantage of ATM is that the overhead for transmitting ATM data
>is much higher than the overhead for transmitting traditional LAN
>data. The 5-byte header required in each 53-byte ATM cell equals 9.4
>percent[sic] overhead. When segmentation and reassembly and ATM
>Adaptation Layer (AAL) functionality are added, the overhead can grow
>to 13 bytes or 24.5 percent[sic]."
>
>That means that your nice OC3 connection only has a throughput of
>117mbps. That is absolutely rediculous.
>
>}-- End of excerpt from "Mark Holloway"
>
>___________________________________
>UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
>FAQ, list archives, and subscription info: http://www.groupstudy.com
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
___________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
