[Live-devel] proxy: could i utilize testRelay to implement a proxy

[Hu Wen Ze, SLC COM CD/MN AS R&D (BJ)]

Hi, Ross Finlayson,


The requirement is building a proxy P on a gateway between internal and external networks, this proxy should TRANSPARENTLY,

1. forward the rtsp request from internal client C to external media server S;
2. forward the rtsp response from S to C;
3.  forward the rtp, rtcp packets between S and C;

Is it possible for P to simply modify the source and destination address (or even port number) of packets from S or C and forward them in order to implement the above goal?

I've read RFC 2326, it seems proxy mentioned in some places, but I am still confused how to do it in a real development.


-----Original Message-----
From: Ross Finlayson [mailto:finlayson at live.com] 
Sent: 2005Äê6ÔÂ1ÈÕ 17:50
To: LIVE.COM Streaming Media - development & use
Subject: Re: [Live-devel] proxy: could i utilize testRelay to implement a proxy


>recently, i need implement a proxy which is required to forward rtsp, rtp 
>& rtcp data between a media server in external network and clients in 
>internal network.
>could you have any suggestions and experience to share?
>i found a test prog testRelay in live, but could i utilize it to help me 
>implement such a proxy?

No, a RTSP proxy would be much more involved than this.  It would need to 
be a RTSP server, that also acts as a RTSP client.

See, e.g., <http://lists.live.com/pipermail/live-devel/2005-April/002359.html>


	Ross Finlayson
	LIVE.COM
	<http://www.live.com/>

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