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<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff size=2>Will,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff>Cool! So if I understand correctly, two IPv6 routers
configured to use link-local addressing on the 'inter-router' interfaces will
work, regardless of the addresses on other router interfaces? That makes
sense. As I recall, the IPv6 neighbor discovery protocol requires
bidirectional exchanges (otherwise how do I know I'm not picking the same
address you did, however unlikely?)</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff>I'm a bit confused about the v4 NEMO comment. You're saying
that to effect a mobile subnet, the v4 NEMO is the only thing supported by
Cisco? So you use v6 to form the inter-router connectivity and tunnel v4
NEMO over it?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff>Anyway, I think this is good progress, thanks!</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=271414217-21122006><FONT face=Arial
color=#0000ff></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN
class=271414217-21122006> <FONT
face=Arial color=#0000ff>--keith</FONT></SPAN></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> Ivancic, William D. (GRC-RCN0)
[mailto:william.d.ivancic@nasa.gov] <BR><B>Sent:</B> Thursday, December 21,
2006 11:33 AM<BR><B>To:</B> Scott, Keith L.;
sis-csi@mailman.ccsds.org<BR><B>Cc:</B> Mezu, Okechukwu A.
(GRC-RCN0)<BR><B>Subject:</B> RE: [Sis-csi] No call today<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2>Keith,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2>FYI, we need to take a closer look and document the
results, but it looks like IPv6 solves the subnetting and mobility problems as
shown in the C3I interoperability spec notional IPv4 network. This is
because IPv6 routers between routers using the link-local addressing.
Thus I can put two routers on different global subnets on the same link-local
network and the routers will route using IPv6. Only if I use nemo for
IPv4 will this work. Furthermore, one cannot configure an IPv4 router to
have multiple interfaces in the same or overlapping subnet (at least for Cisco
routers). The router will not even except the command! Instead is
provides a warning similar to "Hey, you can't do this!)</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2>We have only worked with Ethernet links so far. I
want to try with serial links also.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=640082716-21122006><FONT face=Arial
color=#0000ff size=2>Will</FONT></SPAN></DIV>
<DIV> </DIV>
<P align=left><FONT face=Courier
size=2>******************************</FONT></P>
<P align=left><FONT face=Courier size=2>William D. Ivancic</FONT></P>
<P align=left><FONT face=Courier size=2>Phone 216-433-3494</FONT></P>
<P align=left><FONT face=Courier size=2>Fax 216-433-8705</FONT></P>
<P align=left><FONT face=Courier size=2>Lab 216-433-2620</FONT></P>
<P align=left><FONT face=Courier size=2>Mobile 440-503-4892</FONT></P>
<P align=left><A href="http://roland.grc.nasa.gov/~ivancic"><U><FONT
color=#0000ff><FONT face=Courier
size=2>http://roland.grc.nasa.gov/~ivancic</FONT></U></FONT></A><FONT
face=Courier size=2> </FONT></P>
<DIV> </DIV><BR>
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style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
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<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> sis-csi-bounces@mailman.ccsds.org
[mailto:sis-csi-bounces@mailman.ccsds.org] <B>On Behalf Of </B>Scott, Keith
L.<BR><B>Sent:</B> Thursday, December 21, 2006 10:51 AM<BR><B>To:</B>
sis-csi@mailman.ccsds.org<BR><B>Subject:</B> [Sis-csi] No call
today<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><SPAN class=375105015-21122006><FONT face=Arial size=2>If anybody has
updates, let's do it by email. Next telecon Jan 4.</FONT></SPAN></DIV>
<DIV><SPAN class=375105015-21122006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375105015-21122006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375105015-21122006><FONT face=Arial size=2>Happy
Holidays!</FONT></SPAN></DIV>
<DIV><SPAN class=375105015-21122006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN
class=375105015-21122006> <FONT
face=Arial size=2>--keith</FONT></SPAN></DIV>
<DIV><SPAN
class=375105015-21122006></SPAN> </DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>