All things related to multicast

[Steven Wallace <>]

In the spirt of popsicle sticks and a hot glue gun, I have another thought. 
You could build a file distribution network based on rsync running over ssl. 
That just might work.

ssw

On Feb 22, 2013, at 7:00 AM, Gary Parker 
<>
 wrote:

> 
> On 22 Feb 2013, at 11:51, Steven Wallace 
> <>
>  wrote:
> 
>> I had no idea multicast was being used for usenet. That's cool. Still, I 
>> suspect the bit rate for usenet is way south of 3Gb/s. 
> 
> Sorry Steve, I didn't make myself clear. Usenet doesn't, afaik, use 
> multicast. What I was getting at is that, end-to-end, nntp doesn't 
> guarantee delivery of data from the poster to the reader, so the poster can 
> employ FEC in the form of PAR2 chunks to ensure that the reader can 
> recreate any missing blocks of data that didn't get through to their local 
> usenet node. I see the same method being potentially useful when you can't 
> guarantee delivery of data via UDP for large datasets over multicast.
> 
> Having read the wikipedia article I posted the link to, though, it may 
> appear that the current iteration of PAR2 may not be suitable for the 
> volume of data being discussed here. I'm sure there are similar 
> technologies available that scale better, though.
> 
> Gary