<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Aug 18, 2017, at 8:03 AM, Dehart, John <<a href="mailto:jdd@wustl.edu" class="">jdd@wustl.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><br class="Apple-interchange-newline"><span style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Lixia,</span><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">I think our latest responses just said the same thing at the same time!</div></div></blockquote><div><br class=""></div>:-)</div><div><div class=""><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div></div><blockquote type="cite" class=""><div class=""><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Other than the mess it is going to cause for anything that is already configured or certificates that are already issued, does anyone have any reason why the UCLA router (<a href="http://spurs.cs.wustl.edu/" class="">spurs.cs.wustl.edu</a>) should not have its default prefix changed to /ndn/edu/ucla/cs?</div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">I won’t be doing anything until after SIGCOMM but perhaps we can decide what should be done.</div></div></blockquote><div><br class=""></div>1/ I do see 2 issues, one is this name overloading (router takes on a "region" name), the other is this region definition -- I do not believe there is a specification, but clearly we need one.</div><div><br class=""></div><div><div class=""><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">2/ fixing the CS router naming should get Haitao's app working for now.</div></div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">if I got it right: Haitao may want to use his case for Monday demo. </div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">But I dont know how much work it may be to change UCLA CS router name.</div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><blockquote type="cite" class=""><div class=""><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class=""><blockquote type="cite" class=""><div class="">On Aug 18, 2017, at 9:58 AM, Lixia Zhang <<a href="mailto:lixia@cs.ucla.edu" class="">lixia@cs.ucla.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><blockquote type="cite" class=""><div class=""><br class="Apple-interchange-newline">On Aug 18, 2017, at 7:44 AM, Lixia Zhang <<a href="mailto:lixia@cs.ucla.edu" class="">lixia@cs.ucla.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Aug 18, 2017, at 6:10 AM, Junxiao Shi <<a href="mailto:shijunxiao@email.arizona.edu" class="">shijunxiao@email.arizona.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div dir="auto" class="">Hi Haitao</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Link object in Interest has been replaced by forwarding hint. However, your question still applies when forwarding hint is used.</div><div dir="auto" class=""><br class=""></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class=""><div class=""><br class=""></div><div class="">I tried to send an Interest with link object to the testbed, but the producer didn't receive the interest. Could you help to see what is wrong with my link object?</div></div></blockquote><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class=""><div class=""></div><div class=""><br class=""></div><div class="">Here is what I did:</div><div class="">(1) The producer registers prefix<span class="Apple-converted-space"> </span><font color="#ff0000" class="">/org/openmhealth/<user-id></font><span class="Apple-converted-space"> </span>on ucla router (<a href="http://spurs.cs.ucla.edu/" target="_blank" class="">spurs.cs.ucla.edu</a>)</div><div class="">(2) A consumer connecting to remap router (128.97.98.7) sends an interest with prefix <span class="" style="color: rgb(255, 0, 0);">/org/openmhealth/<user-id></span>, and with link object. The link object has name <span class="" style="color: rgb(255, 0, 0);">/org/openmhealth/<user-id></span><font class="">, and a delegation<span class="Apple-converted-space"> </span></font><font color="#0000ff" class="">/ndn/edu/ucla(it is ucla router's routable prefix)</font><font class="">, and it is signed by a cert </font><span class="" style="color: rgb(255, 0, 0);">/org/openmhealth</span><font class="">/KEY</font><span class="" style="color: rgb(255, 0, 0);">/<user-id>/....</span><font class="">, which is signed by ndnfit trust anchor, a second trust anchor on the testbed.</font></div><div class=""><font class=""><br class=""></font></div><div class=""></div></div></blockquote></div></div><div dir="auto" class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div dir="auto" class="" style="font-family: Courier; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">REMAP router is configured <<a href="https://github.com/WU-ARL/NDN_Ansible/blob/138020756db384222e62802baeaca0b6a090c6d7/host_vars/REMAP" class="">https://github.com/WU-ARL/NDN_Ansible/blob/138020756db384222e62802baeaca0b6a090c6d7/host_vars/REMAP</a>> to have network region name /ndn/edu/ucla/remap.</div></div></blockquote><div class=""><br class=""></div>I do not know what have been defined as the rules for configuring so called "region"; in this specific case the outcome does not sound correct -- REMAP router should remove forwarding hint only if </div><div class="">the forwarding hint = /ndn/edu/ucla/remap.</div></div></div></blockquote><div class=""><br class=""></div>as I looked the picture in Haitao's original message, a further and related issue is that we should have one router's name (UCLA CS router) as the *prefix* of another router (e.g. /ndn/edu/ucla/remap) -- this confuses forwarding.</div><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">By the same token, if "/ndn/edu/ucla/" is configured as name for "region", then the same name must not be used again to name a router.</div></div></blockquote><blockquote type="cite" class=""><div class=""><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; 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