Re: CWDM equipment (current favorites) (fwd)

From: Deepak Jain (no email)
Date: Thu Nov 02 2006 - 17:32:08 EST

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    >> We need to place a new order for some new fiber builds and were
    >> considering some other vendors. Especially in the nx2.5G and nx10G (are
    >> CWDM x-cievers even available in 10G yet?) range. Anyone have any new
    >> favorites?
    > 2.5G are only slightly more expensive than 1G - if you have OC48 gear that
    > is SFP-capable, by all means, use that.
    >
    > 10G CWDM is *rumoured* to exist, but I don't think there are any
    > production ones yet. Feel free to correct me. 10G is all DWDM, and so far
    > very pricy.
    >

    I think this is the rub (regarding multirate optics). What I'd love to
    be able to do is take a multirate optic and shove it into some 1U type
    switch or router that takes several gigabits of a IP or Ethernet frames
    and load balances them PPP or CEF style across a few 2.5/2.7G lambdas.
    So say 10 gigabits of traffic over 4 lambdas. I don't need to replicate
    GE signaling or SONET signaling... just move the bits. I know this is
    very easy (trivial even) at 1G signaling rates, I never understood
    [other than for markup purposes] why the vendors don't let those uplink
    ports be 2.5G capable.

    (I'm already aware of the cards that two 2G -> 1 multirate lambda. I
    would like a box that does better than that as effective throughput on
    the lambda -- it reduces complexity on our end and media conversion needs).

    Any suggestions??

    Thanks.

    Deepak


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