<html><head><base href="x-msg://17/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>It's mostly a way of differentiating business services from domestic services.</div><div><br></div><div>Access seekers will be paying by the megabit up and down.</div><div><br></div><div>When I say differentiating what I mean of course is "enabling charging more for".</div><div><br></div><div>Based on ISP experience asymmetric service keeps traffic in better balance.</div><div><br></div><div>There are also some limits in the FTTH network architecture that mean there is less total bandwidth in the back channel.</div><div><br></div><div>It is easy to prioritise the traffic from one head end to hundreds of end users. It is much harder to control those end points when they each want to transmit over one shared path. The network uses much the same protocol as WiFi for controlling this.</div><div><br></div><div>Cheers,</div><div><br></div><div>jsl</div><br>
<br><div><div>On 17/06/2010, at 9:07 AM, Stephen Carter wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-AU" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; ">Hi Guys,<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; ">Sorry for a possible very dumb question.<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><b>Does anyone know of the reason why the NBN is being released with different Up and Down speeds?<o:p></o:p></b></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; ">Some possible reasons that I can think of are (but can’t validate as I don’t personally agree):<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 36pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -18pt; "><span>a)<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span>Possible cheaper CPE as transmission strength on cheap CPE is more attainable<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 36pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -18pt; "><span>b)<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span>Transit Costs (can’t understand why at this scale)<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 36pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -18pt; "><span>c)<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span>Limitations of their chosen design<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; ">Please be gentle<span class="Apple-converted-space"> </span><span style="font-family: Wingdings; ">J</span><o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0.0001pt; margin-left: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; ">Thanks<o:p></o:p></div></div><font face="Arial"><font size="2"><hr><font color="#808080">Scanned by</font><span class="Apple-converted-space"> </span><font color="#4f1f91"><strong>MailMarshal</strong></font><span class="Apple-converted-space"> </span></font><br><font color="#400080"><strong></strong></font><font size="2"><hr></font></font><span><ATT00001..txt></span></div></span></blockquote></div><br></body></html>