Interesting. I’ll check it out. On Tue, Sep 1, 2020 at 11:19 AM Nate Burke <[email protected]> wrote:
> > > > > > > > > > > It seems most of what I still notice are the Cielo radios. But > > almost all of the HFT Guys in Chicago have switched over to the > > Ionosphere antennas. Where they have the huge yagi antennas with > > just a single licensed link back to the Datacenter. I can count 10 > > different sites within 15 miles that are using this setup. One of > > the towers we are on is in the process of installing a 3 antenna > > system, 30'x40' antennas at 100', 125' and 150'. Single licensed > > radio back to the CME datacenter. > > > > > > On 9/1/2020 10:03 AM, Mike Hammett > > wrote: > > > > > > > > > There is a whole other class of > > low-latency wireless gear. FEC is removed. ARQ is nowhere to be > > found. > > > > > > > The radios are optimized so that the data spends as few > > picoseconds as possible in the radio. > > > > > > > > > > > > ----- > > > Mike Hammett > > > Intelligent Computing > > Solutions <http://www.ics-il.com/> > > > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > > > Midwest Internet Exchange <http://www.midwest-ix.com/> > > > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > > > The Brothers WISP <http://www.thebrotherswisp.com/> > > > <https://www.facebook.com/thebrotherswisp> > > > > > > > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > > > > > ------------------------------ > > > > > *From: *"Bill Prince" <[email protected]> <[email protected]> > > > *To: *[email protected] > > > *Sent: *Tuesday, September 1, 2020 9:47:00 AM > > > *Subject: *Re: [AFMUG] Ultra low latency PTP > > > > > > All the licensed gear I know of is full duplex, and > > should have near wire speed latency. The latency should be > > proportional to the link distance. > > > > > > > > bp > > <part15sbs{at}gmail{dot}com> > > > > > > On 9/1/2020 7:36 AM, Caleb > > Knauer wrote: > > > > > > > Anybody here up to date on current ultra low latency > > licensed PTP gear? Like in HFT networks. Trying to round > > up the current players. > > > > > > > > > > -- > > > AF mailing list > > > [email protected] > > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > AF mailing list > > [email protected] > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > >
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