[pcap-ng-format] Proposing new block type for PCAP-NG (UNCLASSIFIED)

[Guy Harris]

On Mar 30, 2015, at 6:32 AM, "Renard, Kenneth D CIV USARMY ARL (US)" <kenneth.d.renard.civ at mail.mil> wrote:

> I defer to the community on the need for less-than-meter or more-than-meter
> resolution.  Maybe a 64-bit version of the XYZ option where the resolution
> is defined as well?  Such as:
> 
>  Option:       High-Precision-XYZ (28 bytes)
>  Resolution:   32-bit signed int representing meter resolution
>                (example:  value -6 is micrometer resolution, value 3 for
> km)
>  X location:   64-bit signed int
>  Y location:   64-bit signed int
>  Z location:   64-bit signed int

For centimeter resolution on the Earth's surface, 32-bit integers should suffice, unless I've missed something (the Earth's circumference is about 40,008 km, so 4,000,800,000 cm).