All things related to multicast

["Zhu Nan" <>]

Dear Sir,

    I've visited your website and have seen the description of the product 
Streaming Fountain. It's interesting. You made it right that what I meant is 
a cyclic-multicast to make a near-VOD. And the streaming fountain seems to be 
a well-developped product.So I have a question, can you give me some examples 
of large-scale video service where the streaming fountain is used, or some 
data of test cases to show the large-scale capability of the product is also 
OK.

    And, are there any products of the same capability?

    I now wonder, the powerful video service using multicast tech can be so 
attractive, but why there are so few such VOD service with multicast support 
? Can I have the reason as the not-so-wide deployment of multicast? Then. if 
multicast is all over deployed in future, will it be used soon into the VOD 
system ?

    Thanks for your guide.

--
Zhu Nan
---------------------------------------------------
Network Research Center of Tsinghua University
China Education and Research Network(CERNET) Center
Tel:    86-10-62771999 EXT 629
Fax:    86-10-62783702
Email:  

----------------------------------------------------



----- Original Message ----- 
From: "Marshall Eubanks" 
<>
To: "Zhu Nan" 
<>
Cc: 
<>;
 "Greg Shepherd" 
<>
Sent: Thursday, April 25, 2002 4:18 AM
Subject: Re: Any periodic broadcasting in practice now on Internet?


> Dear Zhu;
> 
>    We have continual broadcasting of audio and video multicasts on the
> Internet. Is that what you mean by
> periodic ? Or do you mean a cyclic multicast of a loop to emulate video
> on demand ? Digital Fountain has such a product, and Greg Shepard was
> running a test of it from Oregon. I am not sure if it is up, but I am
> sure he can tell you about it.
> 
> Test your network for multicast :
> http://www.multicasttech.com/mt/
> 
> Our streams :
> Audio - On-the-I.com
> MPEG-4 video  - www.multicasttech.com/otv
> 
> Digital Fountain :
> http://www.digitalfountain.com/
> 
> Greg is cc'ed above.
> 
> 
> -- 
>                                  Regards
>                                  Marshall Eubanks
> 
> 
> Zhu Nan wrote:
> 
> >     Hi all, are there any periodic broadcasting service on the Internet 
> > ,and it can provide Near-VOD video service in practice ?  Can you give me 
> > some examples ? or just prototype is also OK.
> > 
> >     I know to deploy periodic broadcasting in a local network is easy. 
> > but how about running on a wider network such as Internet, across AS? the 
> > same easy?
> > 
> >     There are some periodic broadcast schemes such as Pyramid, Skyscraper 
> > and GDB... with fully analysis and discuss. But are there any such system 
> > in practice?
> > 
> >     I know there are lots broadcasting system in real time works, but I 
> > hear no periodic broadcasting example with Near-VOD service. Tell me 
> > some.  Thank you.
> > 
> > 
> > 
> > 
> > 
> 
> 
> 
> 
> T.M. Eubanks
> Multicast Technologies, Inc
> 10301 Democracy Lane, Suite 410
> Fairfax, Virginia 22030
> Phone : 703-293-9624       Fax     : 703-293-9609
> e-mail : 
> 
> http://www.multicasttech.com
> 
>  Status of Multicast on the Web  :
>  http://www.multicasttech.com/status/index.html
> 
>