North American Network Operators Group
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Re: :)

  • From: Enke Chen
  • Date: Wed Sep 04 15:53:46 1996 
BTW, core4.wsp.mci.net did not show up in the traceroute
due to a bug in the code that we are running. (The bug 
has been fixed in a later version.)

The direct interconnection between MCI and Sprint is in 
the Chicago area rather than in Denver.  The connection 
speed is OC12 rather than DS3 :-)   

-- Enke
   
> Date:    Wed, 04 Sep 1996 15:23:03 -0400
> From:    "roy alcala" <[email protected]>
> To:      Christian Nielsen <[email protected]>
> CC:      [email protected]

> 
> This is a private interconnect between Sprint and MCI, and the serial
> subnet comes out of address space assigned to MCI (so the inverse
> mapping is handled by MCI as well).  We didn't really know what map
> the inverse address to in the PTR record, but we wanted it to have
> *some* mapping, so we just picked an arbitrary hostname.
> 
> We'd be happy to change this mapping to some other hostname (or CNAME
> the inverse address), if the Sprint folks would prefer something
> different :-)
> 
> The other end of the link has a more-descriptive DNS entry:
> 
> [email protected]% host -t ptr 89.77.157.206.in-addr.arpa
> 89.77.157.206.in-addr.arpa      PTR     core4-hssi5-0.WillowSprings.mci.net
> 
>                                 - roy -
> 
>  -------------------------------------------------------------------------
> |           roy alcala            |                  MCI                  |
> |         IP Development          |          2100 Reston Parkway          |
> |           [email protected]           |        Reston, Virginia  22091        |
> |    [email protected] (pager)     |            (703) 715-7425             |
> |   (800) SKY-PAGE PIN 1633689    |            (703) 715-7066 FAX         |
>  -------------------------------------------------------------------------
> 
> 
> >
> >I guess sometimes they don't like to tell us what kind of link they have.
> >
> > 4  core1-fddi-1.Denver.mci.net (204.70.3.113)  208 ms  29 ms  19 ms
> > 5  somerouter.sprintlink.net (206.157.77.90)  84 ms  90 ms *
> > 6  somerouter.sprintlink.net (206.157.77.90)  86 ms  88 ms  88 ms
> > 7  * sl-chi-6-F0/0.sprintlink.net (144.228.50.6)  168 ms  92 ms
> >
> >
> >
> >Christian
> >
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