[Red5] High latency with red5

[Gregor Rot]

One way should be with directly editing:

 

src/org/red5/server/net/rtmp/RTMPMinaTransport.java

 

and recompile?

 

Caos,

Gregor

 

From: red5-bounces at osflash.org [mailto:red5-bounces at osflash.org] On Behalf Of Naicu Octavian
Sent: Monday, November 05, 2007 6:28 PM
To: red5 at osflash.org
Subject: Re: [Red5] High latency with red5

 

Where exactly can you set tcpNoDelay to true? there is no trace of it in re5-core.xml.


On 05/11/2007, Steven Gong < steven.gong at gmail.com <mailto:steven.gong at gmail.com> > wrote:

Have you set the tcp_nodelay?

 

On 11/5/07, Francois Kobi <frkobi at yahoo.fr > 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.
>>>>
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>>>>
>>>>
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>>> 
>>>
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>
>
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>


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-- 
Best Regards
Steven Gong

InfraRed5 Red5 Consultant: http://www.infrared5.com  <http://www.infrared5.com> , steven at infrared5.com

Red5 Developer: http://osflash.org/red5, http://jira.red5.org/confluence/display/~steven/Home <http://jira.red5.org/confluence/display/%7Esteven/Home>  

Modesty is an overrated quality in men of no great accomplishment.  -- Ricky Jay 


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