[Chugalug] Satcom

Stephen Kraus ub3ratl4sf00 at gmail.com
Wed Jun 26 01:40:03 UTC 2013


On that note, we us a packet accelerator for our service to decrease our
latency.


On Tue, Jun 25, 2013 at 9:02 PM, Stephen Kraus <ub3ratl4sf00 at gmail.com>wrote:

> For instance, we actually have a phone on the plane. A good old fashioned
> phone. If someone sees something interesting, they actually call someone
> and say 'Hey, I saw such and such, I'm sending it your way for analysis'
>
>
> On Tue, Jun 25, 2013 at 8:59 PM, Stephen Kraus <ub3ratl4sf00 at gmail.com>wrote:
>
>> You have to realize (and I can only talk about non-classified non-INFOSEC
>> stuff) that the JSTARS is just one big mobile observation post with IFF. It
>> feeds ground troops valuable targetting and recon data, yes, but at the
>> same time it sends anything it thinks is pertinent back to the DoD for
>> further analysis, and it has to be able to feed this info steadily over a
>> Satellite connection anywhere in the world. And from the size of the RAID
>> arrays on the plane, you can assume its sending some pretty massive files.
>>
>>
>> On Tue, Jun 25, 2013 at 8:50 PM, Stephen Kraus <ub3ratl4sf00 at gmail.com>wrote:
>>
>>> Our SATCOM system utilizes basically two satellite channels to achieve
>>> ISDN capability (two 64 kb pipes) so that imagery data can be fed back to
>>> whoever wants it. This was our old system, via INMARSAT of Britian.
>>>
>>> We have a new SATCOM system, and I don't even have a clue of its
>>> throughput yet, but its going to be better.
>>>
>>>
>>> On Tue, Jun 25, 2013 at 8:46 PM, Mike Harrison <cluon at geeklabs.com>wrote:
>>>
>>>> Slightly off topic, but the SATCOM stuff the Air Force has is amazing.
>>>>>
>>>>
>>>> Steven, What can you link to or share without fear of giving away
>>>> national secrets, impuning the NSA.. etc..
>>>>
>>>> I'm interested in many ways... for example, I know we have a utility in
>>>> W. Africa using Sat coms to use Juice and are impressed with how it works
>>>> in a high latency environment. I know they are on 64k links with 150ms to
>>>> 300ms round trips.
>>>>
>>>> From memory: 64k might be expressed as one half an ISDN connection,
>>>> ISDN is 2 B's (64k each) and a D or lower rate data/signalling channel.
>>>> Multiple B's (64k) can be bonded together for aggregate bandwidth
>>>> with that D (data) channel providing sync and bonding info.
>>>>
>>>> I can see where that same structure could be used for any
>>>> communications medium, just kind of suprised that it is. I'd like to know
>>>> what the useful typical limits are in the military variations.
>>>>
>>>>
>>>>
>>>>
>>>> ______________________________**_________________
>>>> Chugalug mailing list
>>>> Chugalug at chugalug.org
>>>> http://chugalug.org/cgi-bin/**mailman/listinfo/chugalug<http://chugalug.org/cgi-bin/mailman/listinfo/chugalug>
>>>>
>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://chugalug.org/pipermail/chugalug/attachments/20130625/7ac05e3a/attachment.html>


More information about the Chugalug mailing list