[CentOS] regarding vpn server for 1500 clients

Robert Moskowitz rgm at htt-consult.com
Fri Dec 19 18:57:06 UTC 2008


Les Mikesell wrote:
> Robert Moskowitz wrote:
>   
>>>   
>>>       
>>>> How about lots of GRE tunnels? :-)
>>>>     
>>>>         
>>> I've done that with a few connections - mostly connecting to Cisco 
>>> routers to pass multicast streams.  I'm not sure how it would scale up 
>>> in terms of the interface numbers and managing routes but it should work.
>>>       
>> What was the network environment like that the tunnels went over?
>>     
>
> Some over the internet, some private, but always with fixed src/dest 
> addresses and nothing going over them that couldn't have run unencrypted 
> over the internet.
RED (Random Early Discard) was specifically developed and deployed to 
break flows that lacked congestion control. CeeUceeME was the big 
culprit at the time. Multicast streams could have a lot of data lose if 
RED is needed to manage congestion.




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