A bit before then, Thomas Narten wrote:The quote above seems very precisely phrased,
> There are DoD networks where IPv6 is running today,
> and there certainly are networks where it is not.
and as an accidental result seems a bit misleading.
It appears to refer to the Defense Research & Engineering Network
(DREN), which is widely reported to be dual-stack IPv4 and IPv6.
[e.g. see Ron Broersma's slides from the Google IPv6 Implementer's
Workshop]
However, the trade press and other public sources consistently
indicate the DoD considers DREN to be "experimental" or "research",
rather than "operational" (at least for the DoD meaning of the
word 'operational').
One also consistently reads that the actual operational DoD backbone
(i.e. DISA's GIG-BE network) is IPv4 only, in part for security
reasons and in part for lack of any business case to do otherwise,
and that all other DoD "operational" networks are also IPv4 only.
The DoD is forbidden from running native IPv6 operationally, per the STIGs and MO guidelines. MO1 and 2 get some IPv6 in place, in tunnels across the GIG ... MO3 will be the first step in native/operational IPv6, not even signed yet IIRC.
/TJ
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