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Strategies & Market Trends : Gorilla and King Portfolio Candidates

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To: DownSouth who wrote (20442)3/17/2000 1:26:00 PM
From: konabound  Read Replies (2) of 54805
 
RE ELON and Ethernet

I am not an Ethernet expert by any means. Lonworks is a very involved network system that until recently has been restricted to its own physical layer. CTI and Coactive Networks have had routers out for over a year now that can send some packets of Lonworks data over Ethernet but both their products left lots to be desired on capability to have complete interconnectivity. Echelon came out with LNS 3.0 and the iLon to capture back some of that business and to make it more possible to interconnect to Ethernet. While they promote the iLon heavily as an Internet connection and Web Browser interface, one of its advantages is the ability to connect the Lonworks network to the plant LAN or WAN. However, realize that the iLon is still functioning more as a router and individual devices cannot connect directly to Ethernet using Lonworks, they must go through the iLon. This is fine costwize when connecting network to network, but not for device to network. On the otherhand, the industrial devices using Profibus Ethernet, DeviceNet or other industrial Ethernet protocols have the ability to connect directly to Ethernet.
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