<div dir="ltr">And if you drill, it is a 20,000km round trip - ~(10,000km along the chord from SYD to TLV)</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 13, 2016 at 2:00 PM, Mark Andrews <span dir="ltr"><<a href="mailto:marka@isc.org" target="_blank">marka@isc.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
In message <<a href="mailto:AM5PR0301MB24814072C2675F44C808F43AD2FE0@AM5PR0301MB2481.eurprd03.prod.outlook.com">AM5PR0301MB24814072C2675F44C8<wbr>08F43AD2FE0@AM5PR0301MB2481.<wbr>eurprd03.prod.outlook.com</a>>, Clay Quinn writes:<br>
><br>
> Hi All,<br>
><br>
> An oddball question - is anyone using services over Internet to Israel<br>
> (VPN etc), and if so what is your round-trip latency? From a Telstra TID<br>
> connection I'm getting around 400ms (Sydney, LA, New York, UK, France,<br>
> Israel). I'm curious if there's a less-latent path on another<br>
> provider/route (RDP sessions are painfully slow).<br>
<br>
</span>SYD to TLV is 8813 great circle miles (14183km). This gives a lower<br>
bound on a terrestrial path unless you start drilling.<br>
<span class=""><br>
> Using 30,000km as an estimate for the fibre distance, that gives a<br>
> theoretical minimum latency of 300ms (0.5us/km * 30,000km * both<br>
> directions). So there's an additional 100ms of overhead there (OEO<br>
</span>> conversions probably - 30 hops in traceroute).<br>
<span class="">><br>
> If that's par for the course, I guess WAN acceleration is really the only<br>
</span>> option - I understand it's a pretty long path. If anyone has any unique<br>
<span class="">> solutions to this problem I'd love to hear it.<br>
><br>
><br>
> Cheers<br>
> Clay<br>
><br>
> Clay Quinn<br>
> Presales Engineer<br>
> MRV Communications Pty Ltd.<br>
</span>> Mobile: <a href="tel:%2B61%20427%20339%20000" value="+61427339000">+61 427 339 000</a> | Email: <a href="mailto:cquinn@mrv.com">cquinn@mrv.com</a><mailto:<a href="mailto:cquinn@mrv.com">cquinn@<wbr>mrv.com</a>><br>
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