Been there for quite some time. Not sure when it was added. ----- Original Message ----- From: "Tom DeReggi" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Tuesday, November 04, 2008 3:57 PM Subject: Re: [WISPA] heavy usage customers
>> you can decide how much bandwidth you want to set aside for >> ARQ. > > Thats pretty cool. is that a new feature as of a specif fiormware, or has > it been there all along? > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > ----- Original Message ----- > From: "Chuck McCown" <[EMAIL PROTECTED]> > To: "WISPA General List" <wireless@wispa.org> > Sent: Tuesday, November 04, 2008 3:06 PM > Subject: Re: [WISPA] heavy usage customers > > >> With Canopy, you can decide how much bandwidth you want to set aside for >> ARQ. It has its own slice of the overhead and you can limit it to 2 kbps >> if >> you want. Most pick 20 kbps. But it really isn't a factor. With 120 on >> an >> AP at 5.8 with most of them subscribing to 512 Kbps 10.2 Mbps burst they >> do >> get 7 mS latency and everyone is happy. >> >> ----- Original Message ----- >> From: "Tom DeReggi" <[EMAIL PROTECTED]> >>> The other big factor is ARQ. (ps. dont say Canopies don't need arq >>> because >>> their C/I allows them to not have interference :-) >>> The benefits of ARQ are well proven and justifed, which is why Canopy >>> and >>> Trango supports it. If there are ARQ retransmissions, latency WILL rise. >>> You >>> won;t see it from the AP side because the Pings go our right away, but >>> from >>> the client, The ARQ needs to wait for its next time slice to retransmit. >>> >>> Again, I don't want to get into which manufacturer's ARQ is a better >>> implementation. Just pointing out that ARQ is one of hte factors that >>> prevents an ISP from knowing exactly what the latency is that the >>> customer >>> is experiencing, without testing from the customer side. >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
