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To: LindyBill who wrote (22260)	4/4/2000 10:10:00 PM
From: BDR	Respond to of 54805

<<...an optical switch uses mirrors to bend the light. A router works like a postman, sorting my address. There is no known way that you can sort a light source, so optical will remain in the switch area, and revert to electrical/magetic for routing.>> I guess I am having trouble with the terminology. Admittedly MEMS switches don't involve optical-electrical-optical conversion but they still require electrical impulses to carry the information about switching. For example, Lucent's all-optical Lamdarouter isn't a router and it isn't all-optical: lightreading.com

To: LindyBill who wrote (22260)	4/4/2000 11:09:00 PM
From: Juliet	Read Replies (5) \| Respond to of 54805

Optical Router? LindyBill wrote: There is no known way that you can sort a light source, so optical will remain in the switch area, and revert to electrical/magetic for routing. This is one reason I am not worried about my Cisco stock. In the parallel universe of the GG Email list there is a related debate going on. One poster mentioned that he thought Agilent had made an announcement about a "pure optical" network. I searched but found nothing (so far) about any such Agilent announcement. I did, however, stumble upon this from Avici Systems: avici.com Their slogan is "ENABLING a new frontier by routing PACKETS OVER LIGHT" I do not count myself among the super-techno-literati, but perhaps someone from that rarified zone could comment. Just thought I ought to throw it out... LindyBill? Juliet

To: LindyBill who wrote (22260)	4/5/2000 12:08:00 AM
From: slacker711	Read Replies (1) \| Respond to of 54805

Slack, an optical switch uses mirrors to bend the light. A router works like a postman, sorting my address. There is no known way that you can sort a light source, so optical will remain in the switch area, and revert to electrical/magetic for routing. This is one reason I am not worried about my Cisco stock. Thanks for all of the responses....I think that I am going to have to do some reading. However if I understand you correctly, the various gains in optical networking will ultimately just increase the need for Cisco's (and maybe Juniper's) routers. Sounds good to me.... I dont have any Cisco (yes, I am an idiot) but have some in some family member's accounts..... Slacker