Well, I haven't replied to this earlier cause Im on vacation (skiing @ Vail
) but now, let me add  some info...

I don't want to get involved in a gear fight, but a brand x gear has a Per
Sector prioritization of traffic. It works like this:

You set the cpe to identify the traffic to be prioritized using Diffserv, (
it can be any type of traffic not just voip)

Then you activate on the cpe the "high priority channel" option

Set how much bandwidth this "high priority channel" would use

And you are done,

The Sector AP identifies all the cpes on the sector using this feature and
assings them a 2nd slot of time for this traffic for each cpe, so  cpe's
using this feature have 2 slots of time to talk to the ap, 1 for priority
traffic, the other for regural traffic.  Sector wide , all high priority
channels of all cpes have "priority" over regular cpes...

So Patrick, what do you think....



Gino A. Villarini
[EMAIL PROTECTED]
Aeronet Wireless Broadband Corp.
tel  787.273.4143   fax   787.273.4145
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Patrick Leary
Sent: Saturday, January 06, 2007 12:59 AM
To: WISPA General List
Subject: RE: [WISPA] churn,double play and why WLP is key - I finally
understand it

I don't think so Gino, but I'm open to be proven wrong. Tell me who else
can actually prioritize over the air sector wide. I'm talking about not
just pushing out the voice first on any given CPE, I'm talking about ALL
the CPE on a sector being able to send its que'd voice out before any
CPE can release data into the sector?

Patrick Leary
AVP WISP Markets
Alvarion, Inc.
o: 650.314.2628
c: 760.580.0080
Vonage: 650.641.1243
[EMAIL PROTECTED]

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Gino A. Villarini
Sent: Friday, January 05, 2007 2:19 PM
To: 'WISPA General List'
Subject: RE: [WISPA] churn,double play and why WLP is key - I finally
understand it

Patrick, not to rain on you parade but you guys area actually 2nd on
this RF
prioritization feature....

Gino A. Villarini
[EMAIL PROTECTED]
Aeronet Wireless Broadband Corp.
tel  787.273.4143   fax   787.273.4145
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Patrick Leary
Sent: Friday, January 05, 2007 4:13 PM
To: WISPA General List
Subject: [WISPA] churn,double play and why WLP is key - I finally
understand
it

...So I'm here at our annual national meeting and our project manager is
explaining the Wireless Link Prioritization feature available for
BreezeACCESS VL. Frankly, it has always seemed esoteric to those of us
non-technical types, but now I got and it is simple enough.

First, I learned the statistical improvement in churn when a provider
has double play VoIP + data customers. We have had a few CLECs report to
us that with a single play model their churn is about 9%. Adding double
play takes it down to close to 1%. This is critical to the business
model because they said a 10% reduction in churn translates into about a
20% improvement in NPV per subscriber. That's obviously huge. So what's
the WLP feature available in BreezeACCESS VL have to do with any of
this?

BreezeACCESS VL can already do QoS priority tagging of packets per CPE
using layer 2 (802.11p), layer 3 (IP TOS, DSCP) or layer 4 (TCP/UDP port
ranges common with Cisco, for example). That's good and already better
than most brands of BWA gear. BUT, that's only PER CPE. In a typical
situation, this does not help at all when multiple CPE are on a sector
-- there is no prioritization at the RF level in unlicensed from any
brand...until now.

WLP (also called multimedia application prioritization) actually solves
this and enables over-the-air prioritization for the first time in the
industry. The translation for this is that BreezeACCESS VL can now
deliver massive VoIP, up to 288 concurrent calls per sector with a MOS
(mean opinion score - a rating of voice quality) of 4.1. That's a
phenomenal quantity that is more than 10x our main competitor as spelled
out in their own relevant VoIP document.

So why not just use VL with firmware version 4.0 without getting the WLP
feature? The WLP is the key to get the quantity AND THE QUALITY of
service since it reserves air priority for the VoIP. So, in a double
play business model, it is essential to get MOS voice quality of at
least 4.1 and even 4.33 you must implement the WLP.

I believe it can now be said without reservation, that if you are using
unlicensed and wanting to implement a double play of VoIP + data, the
ONLY product out there that can do it in scale and with toll quality is
BreezeACCESS VL. 

Regards,

Patrick Leary
AVP WISP Markets
Alvarion, Inc.
o: 650.314.2628
c: 760.580.0080
Vonage: 650.641.1243
[EMAIL PROTECTED]



 
 
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