[Red5] High latency with red5

[Paul Decoursey]

Not necessarily,  if there is low traffic on the trunk then the  
buffer would fill quickly, but if there is a packet jam then the  
buffer would take longer.  My gut says that some packets are being  
delayed and others are not.  But I would think that a ping test would  
show that if allowed to regress over 20-30 pings.

I'm not an expert but I would guess that you instinct is correct and  
this isn't normal.

Paul



On Nov 5, 2007, at 8:31 AM, Francois Kobi wrote:

> Apparently it is not a problem of buffering as the delay is different
> everytime (from 500ms to 5 s). I guess if it was a problem of  
> buffer, it
> would be the same every time.
>
> I tried with a larger packet (2000) but the ping didn't change
> significantly.
>
> Francois
>
> Paul Decoursey a écrit :
>> A ping is a small burst, sustained bandwidth of streaming could
>> easily take longer to transmit.  Could it be that the client is
>> receiving the data but it's being buffered and that is causing the
>> what appears to be latency?  There is a limited amount of bandwidth
>> available across there and a significant amount of filtering being
>> done.  Try a ping with a large packet size and see if there is a
>> significant difference in the times.
>>
>> Paul
>>
>>
>> On Nov 4, 2007, at 8:51 PM, Francois Kobi wrote:
>>
>>
>>> That's true, but when I ping the server from Europe, I get  
>>> between 100
>>> and 160 ms. We are far from 5 to 6 seconds, and the ping has to  
>>> go and
>>> come back as well.
>>>
>>> Francois
>>>
>>> Paul Decoursey a écrit :
>>>
>>>> Maybe I'm out of sync, but to me 5-6 seconds doesn't really sound
>>>> that bad given the circumstances.  Consider that the stream has  
>>>> to go
>>>> across the pond twice before hitting the other client.  What you  
>>>> want
>>>> is a server in Europe or perhaps a peer to peer solution... is that
>>>> even possible with Flash?
>>>>
>>>> Paul
>>>>
>>>>
>>>> On Nov 4, 2007, at 8:27 PM, Francois Kobi wrote:
>>>>
>>>>
>>>>
>>>>> Hello,
>>>>>
>>>>> My server is located in the US. When trying video chat application
>>>>> between two people in Europe with very good ADSL connection, I get
>>>>> most
>>>>> of the time a very high latency (up to 5, 6 seconds). Does anyone
>>>>> know
>>>>> the reason and how I can correct this ? (The quality of the video
>>>>> and
>>>>> audio is good, the only problem is this big latency)
>>>>>
>>>>> Thank you.
>>>>>
>>>>> _______________________________________________
>>>>> Red5 mailing list
>>>>> Red5 at osflash.org
>>>>> http://osflash.org/mailman/listinfo/red5_osflash.org
>>>>>
>>>>>
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>>>>
>>>>
>>>>
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>>
>>
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>
>
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