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To: Brasco One who wrote (16818)	11/7/1999 12:45:00 AM
From: tom offenbach	Read Replies (1) \| Respond to of 29970

Donny, FWIW - the intention of my last post was to clarify the fact that Covad most likely is not the only DSL provider in Rascal's location. Generally, if one CLEC is offering DSL others are too, including the "CLEC" division of the serving BOC. The 'pure play' DSL CLEC's such as NorthPoint, Covad and Rhythyms are focused on serving the business market and have designed their products accordingly....hence the synchronous throughput. The RBOC's, in partnership with their own "CLEC's" are serving the consumer market and have designed their products accordingly, hence the asynchronous connectivity. In response to your statements: "covad is not reselling rbocs services. they have their own dslams (diamond lane) and provide their own dsl service. Phone companies use old and weak alcatel and fuijutsu dslams. They do however use local telephone companies wires, but they attach that to their own dslams." It is not my intention to split hairs but saying that 'phone companies' use old and weak fujitsu and alcatel dslams and that CLEC's use their own is not clear to me..... If this is the case couldn't it be a result of the fact that there are different flavors of dslams, one designed for ADSL and the other for SDSL? "Covad's dsl service is far superior than the phone companies. on their sdls lines they have a 70% CIR (commited information rate) where they guarantee 70% of the speed they quote you (northpoint is 98%). the phone companies don't guarantee anything!" Are you a Covad salesperson? The QoS that they're referring to is limited to the DSL connection, not the IP connection. The fact of the matter is that Covad, NorthPoint, Rhythyms or anyone else for that matter can't guarantee any commited port speed to the Internet(CIR refers specificall to frame relay) because they don't control that piece of it. The only piece that they can guarantee is from the customer premise to the ISP router. I emphasize this because you can get Covad to supply your DSL loop and various ISP's to supply your IP connection and your performance will vary based on the quality of the ISP's upstream and peering connections, not on the loop. "also, covad's speeds are constant, where the phone companies are "burstable". not good!!" Huh? All DSL CLEC's can provide burstable connections. It's simply a matter of dynamic bandwidth allocation. In the scenario that Covad is supplying a DSL loop to a customer that needs a guarantee on bandwidth, the ISP is going to charge that customer accordingly....ala the same price as that of their dedicated connections. Just because the loop price goes down doesn't mean the backbone price does too. -Tom