tag:blogger.com,1999:blog-4654027243541805559.post9036968075075928380..comments2023-04-14T18:22:15.757+08:00Comments on Australian FTTH News: NBN: PON or PtP - dispelling the mythsStephen Davieshttp://www.blogger.com/profile/03671744373168657090noreply@blogger.comBlogger12125tag:blogger.com,1999:blog-4654027243541805559.post-68811260929414325482009-10-09T21:16:07.549+08:002009-10-09T21:16:07.549+08:00I argue for a PtP cabling layout with PON equipmen...I argue for a PtP cabling layout with PON equipment in the exchange.<br /><br />PtP cabling takes the guesswork out of the future.<br /><br />PON equipment takes the dollar cost out of the initial equipment rollout.<br /><br />Over time, should it be demanded, then you can optionally chose to use ULL/PtP layout.<br /><br />Think of it this way. Currently with ADSL over the copper CAN we have a mynehttp://whirlpool.net.aunoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-67746363985437015372009-06-03T09:34:36.672+08:002009-06-03T09:34:36.672+08:00Zed Usser said "I think you have your wires c...Zed Usser said "I think you have your wires crossed, Steven. ONTs aren't CPEs..."<br /><br />I think you have your wires crossed, I never said ONTs are CPE, quite the opposite. <br /><br />My exact statement "ONTs are not CPE and should not be treated like ADSL routers."<br /><br />Zed Usser said "ULL does not require truck rolls nor does ULL require the customer to Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-33189751863035206582009-06-03T05:50:35.301+08:002009-06-03T05:50:35.301+08:00Steven: I'll get back to you on the other stuff la...Steven: I'll get back to you on the other stuff later on once I've some spare time.Zed Ussernoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-74119982852117778862009-06-03T05:47:07.813+08:002009-06-03T05:47:07.813+08:00Hamish: Right on!
For more details on why bitstre...Hamish: Right on!<br /><br />For more details on why bitstream access only is to be considered harmfull, see my comments on Steven's other post on open access: http://ozftth.blogspot.com/2009/06/bitstream-or-ull-open-access.htmlZed Ussernoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-25125718666832174282009-06-03T05:42:20.604+08:002009-06-03T05:42:20.604+08:00I think you have your wires crossed, Steven. ONTs ...I think you have your wires crossed, Steven. ONTs aren't CPEs...<br /><br />(i) ULL does not require truck rolls nor does ULL require the customer to change or move ONTs<br />(ii) If you are hooking up everybody during rollout, it really does not matter whether you are doing bitstream or ULL for up front costs<br />(iii) ULL need not be more expensive than bitstream<br /><br />Where you are rightZed Ussernoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-6967347306756924702009-06-02T15:32:54.101+08:002009-06-02T15:32:54.101+08:00The advantages bitstream access has over Fibre ULL...The advantages bitstream access has over Fibre ULL is the issue of cost of network deployment and maintenance. If you are building a national broadband network, you are going to connect every home as you pass them by. This considerably reduces the cost of customer connection.<br /><br />If you provide only a fibre ULL service, then each home has to be visited to install the ONT and establish the Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-14299822161563671722009-06-02T14:13:39.875+08:002009-06-02T14:13:39.875+08:00Please forgive the question if it is naive, but yo...Please forgive the question if it is naive, but you're very certain about the advantage open access at the bitstream holds over optical ULL. I'd appreciate your reasoning behind the claim of "more effective and efficient open access at the bitstream?"<br /><br />With PON and bitstream "open access" I see only the perpetuation of a single closed last mile, where retailers have a monopoly Hamishhttps://www.blogger.com/profile/17638191251338217943noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-19188921301754176672009-06-02T05:05:05.830+08:002009-06-02T05:05:05.830+08:00Good on your Stephen, I'm with you!
Keep up the go...Good on your Stephen, I'm with you!<br />Keep up the good work.<br />John Nixon<br />Optical Network Engineering<br />Auckland - New ZealandJohn Nixonhttp://www.onefibre.comnoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-82551412453852133422009-05-30T10:17:47.864+08:002009-05-30T10:17:47.864+08:00I would more than welcome an online public debate ...I would more than welcome an online public debate on this matter with you. <br /><br />I have all the evidence to support my statements; I can assure you that the PtP vendors do not.Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-10822409864614545552009-05-30T10:15:52.067+08:002009-05-30T10:15:52.067+08:00Part 2......
Page 20. Experence in network deploy...Part 2......<br /><br />Page 20. Experence in network deployments. Citation given of the two largest FTTH deployments in the world being PON based. As for the deployment capability and scaling, please name one PtP deployment which is supporting hundreds of thousands or millions of subscribers TODAY. That is DEPLOYED not going to be DEPLOYED.<br /><br />Furthermore there are articles on this site Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-60308915347424570332009-05-30T10:15:29.025+08:002009-05-30T10:15:29.025+08:00Well obviously you work for a PtP Vendor!
I have ...Well obviously you work for a PtP Vendor!<br /><br />I have been designing both PtP and PON fTTH solutions for more than 8 years and have worked with many different vendor solutions, so I think my opinion is well founded on evidence and experience of real life deployments.<br /><br />All you have done is thrown up more myths that are further perpetuated by the vendors of PtP technology.<br /><br Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-26565636109415369862009-05-30T05:33:14.484+08:002009-05-30T05:33:14.484+08:00Dear Sir,
I do believe your presentation to be a ...Dear Sir,<br /><br />I do believe your presentation to be a collection of unasserted opinions and factual fallacies. Furthermore, it is for the worse that the presentation neglects to address the most pertinent key issues in the comparison between PON and PtP.<br /><br />- Option value: a PtP topology has a far larger inherent option value than a PON topology. Any serious comparison should at Zed Ussernoreply@blogger.com