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To: Frank A. Coluccio who wrote (4972)	10/10/2000 1:15:36 PM
From: The Phoenix	Read Replies (1) \| Respond to of 5853

How about encapsulating SONET inside Ethernet ;) That way you can build the nextgen architecture on ethernet - support legacy SONET by unwrapping at neccessary points. When the SONET equipment goes away you're left with the ethernet.. no need to make changes.

To: Frank A. Coluccio who wrote (4972)	10/26/2000 1:33:23 AM
From: Scott C. Lemon	Read Replies (1) \| Respond to of 5853

Hello Frank! I'm not sure how I missed this post, but due to the new features of SI, I was able to see that you wrote to me ... ;-) I have to say that I am just blown away as what I see occurring in the market now ... the 10GbE is truly amazing. > How do you feel about the encapsulation of 10GbE in > SONET's OC-192 for the long haul? I can't believe it, but it is here and coming on strong. I was at N+I in Atlanta last month, and talked with several vendors about the 10GbE market ... there are components, and vendors are feeling very good about it. The switch vendors are there, and what we get is a simple to manage cross-country switched ethernet network! Wow! I've talked with the founder of Yipes a couple of times, and it just makes too much sense. They are already doing 1GbE point to point over fiber into business ... and running Extreme hardware and Juniper routers. They see 10GbE coming quickly ... and plan on adopting it. They are obviously oversubscribing their Internet bandwidth, but can provide incredible WAN offerings at high speeds. Business to business ... remote offices ... Another good one that I saw at the show was 1GbE disk subsystems. They built the subsystems with no SCSI, pure IDE ATA-100 drives and a 1GbE adapter. Another 1GbE adapter is installed in the server/workstation, and you have high-speed, high-capacity storage that can run through a switched fabric ... and could even be across the city or country over a 10Gb backbone ... ;-) > Also, what do you think about the next step up in Ethernet > being 40 Gb/s (to fit into the OC 768) instead of 100 > Gb/s, which would ordinarily be the next power of ten up > from 10 Gb/s? I have to say that I believe that you'll see it. The transceiver vendors that I spoke with indicated that 10GbE is using CWDM (Coarse Wave Division Multiplexing?) with four channels of light each carrying 2.5Gbs. They showed me the optical components which were cranked out of plastic and unbelievably cheap ... the finished assembly was supposed to be ~$200. So I could see where they would simply up this by a factor of four and not really be taxing the known technology. I'm not as familiar with the next step up the chain, but I'm reading a little on the XAUI (Zowie) interface ... I'm not sure if it has specific technical limitations ... Ethernet everywhere ... IP, framed in Ethernet, on the lambdas ... at 10Gbps ... wow. ;-) Scott C. Lemon