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Re: Multicast implementations on Wireless


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  • From: Greg Shepherd <>
  • To: Bob Gerdes <>
  • Cc: wg-multicast <>
  • Subject: Re: Multicast implementations on Wireless
  • Date: Thu, 10 Dec 2009 13:29:33 -0800
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:content-transfer-encoding; b=dM9i1Rw4iyW42bsfs8QmuZhXo3S1rqU2L3ItPbxvgsCbOxCix0NAIcCM+BsISNoJt+ F8eLj1r6gOtp/5EtbLESfsjFYDOYaTQaM5Nl+095OznhDchQMmj/9L2mbO/OAzBHLxTR juJZC9ieoyELbtQtnAaRzeNm1QyGj2ex/OceY=

This seems like an ideal deployment scenario for AMT.

Greg

On Thu, Dec 10, 2009 at 1:15 PM, Bob Gerdes
<>
wrote:
>
> Greetings,
>    In previous exchanges, there have been discussions regarding
> implementations of multicast on various wireless networks (one noted below).
> In another, folks were going to check with specific vendors.
>
>    We are looking for any cases where multicast (especially multiple IPTV
> channels) has been implemented on a wireless network for mobile users.
>
>    In checking with different vendors, we had a conversation with a
> distributor who is suggesting that wireless vendors are implementing a
> streaming service to redistribute a multicast stream. In another, apparently
> some folks have had some success with Aruba, but haven't gotten followup
> info yet. So, hopefully you might have some better experiences or updates
> since last year.
>     Thanks for your considersation,
>       Bob
>
> Backgroud: our group is working with our TV group on an IPTV pilot service
> using VideoFurnace/Haivision servers. We have been working with our
> networking group to get multicast working across campus. Our Wireless group
> uses Meru access points and BlueSocket for authentication and policy, but
> they have not been able to make progress with multicast on Wireless. One
> issue is that we would need to move the infrastructure to 802.11N or better.
>
>  Bob Gerdes
>  Office of Instructional and Research Technologies (OIRT)
>  Rutgers, The State University
>  Phone: (732) 445-1438   Fax: 445-5539
>
> On Wed, 15 Oct 2008, Alan Crosswell wrote:
>
> Subject : Re: notes from BoF
>
>> Multicast WG BoF Wed Oct 15, 2008
>>
>> Items discussed follow:
>>
>> * High bandwidth multicast over WiFi
>>  - no progress on getting any significant information from vendors other
>>   than the realization that there are a number of problems with
>>   rate limiting, flooding, sending all multicast down tunnels to APs, etc.
>>  - See Bruce's mail regarding Cisco APs and roaming.
>
>



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