<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; "><div>Hi Xiaoke,</div><div><br></div><div>I'm not quite sure what you mean be selecting overloaded node of NDN. With the packet drop trace callback, it is irrelevant which stack is used and you will get notified when packet is dropped because of the queue overflow (=? congestion). Do you have something else in mind related to overloaded in NDN?</div><div><br></div><div>---</div><div>Alex</div><br><div><div>On Jun 30, 2013, at 8:07 PM, Xiaoke Jiang <<a href="mailto:shock.jiang@gmail.com">shock.jiang@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<div style="font-family: Helvetica; font-size: 13px; ">OK. I find a traceable variable from point-to-point-channel.h<div><div style="margin: 0px; font-size: 11px; font-family: Monaco; color: rgb(0, 97, 65); "><span style=""> </span>TracedCallback<span style=""><</span>uint32_t<span style="">, </span><span style="color: #4e9072">// channel ID</span></div><div style="margin: 0px; font-size: 11px; font-family: Monaco; color: rgb(78, 144, 114); "><span style=""> </span><span style="color: #006141">Ptr</span><span style=""><</span><span style="color: #931a68">const</span><span style=""> </span><span style="color: #006141">Packet</span><span style="">>, </span>// Packet being transmitted</div><div style="margin: 0px; font-size: 11px; font-family: Monaco; color: rgb(78, 144, 114); "><span style=""> </span><span style="color: #006141">Ptr</span><span style=""><</span><span style="color: #006141">NetDevice</span><span style="">>, </span>// Transmitting NetDevice</div><div style="margin: 0px; font-size: 11px; font-family: Monaco; "> <span style="color: #006141">Ptr</span><<span style="color: #006141">NetDevice</span>>, <span style="color: #4e9072">// Receiving NetDevice</span></div><div style="margin: 0px; font-size: 11px; font-family: Monaco; color: rgb(78, 144, 114); "><span style=""> </span><span style="color: #006141">Time</span><span style="">, </span>// Amount of time to transmit the <span style="text-decoration: underline">pkt</span></div><div style="margin: 0px; font-size: 11px; font-family: Monaco; color: rgb(78, 144, 114); "><span style=""> </span><span style="color: #006141">Time</span><span style=""> </span>// Last bit receive time (relative to now)</div><div style="margin: 0px; font-size: 11px; font-family: Monaco; "> > <span style="color: #0326cc">m_dropPointToPoint</span>;</div><div style="margin: 0px; font-size: 11px; font-family: Monaco; "><br></div><div style="margin: 0px; font-size: 11px; font-family: Monaco; ">This can help me to pick the congestion link. But how can I pick the overloaded node of NDN?</div></div></div>
<div><div><br></div><div style="font-family: Futura; font-size: 13px; "><div style="color: rgb(34, 34, 34); font-size: small; background-color: rgb(255, 255, 255); font-family: arial; "><font face="'comic sans ms', sans-serif">thanks</font><br><br><font face="garamond, serif"><font size="4">My Regards,</font><br></font></div><hr align="left" size="1" style="color: rgb(34, 34, 34); font-size: small; font-family: arial; width: 210px; min-height: 1px; "><div style="color: rgb(34, 34, 34); font-size: small; background-color: rgb(255, 255, 255); font-family: arial; "><font face="garamond, serif"><div><span style="font-size: 10.5pt; ">Xiaoke (Shock) Jiang （蒋小可）</span></div><div><span style="font-size: 10.5pt; "><br></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Ph.D. Candidate,</font></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Department of Computer Science and Technology,</font></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Tsinghua University, Beijing, P.R.China. 100084</font></span></div></font></div></div></div><p style="color: #A0A0A8;">On Monday, July 1, 2013 at 11:01 AM, Xiaoke Jiang wrote:</p>
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<div>Dear all,
</div><div><span style="white-space:pre"> </span>Now I am trying to find the congestion link and overloaded nodes, where packets are dropped. Can anyone give me some hint? And is it possible for me find connect with a traceable variable?</div><div><br></div><div><br></div><div><br></div><div><div style="font-family: Futura; font-size: 13px; "><div style="color: rgb(34, 34, 34); font-size: small; background-color: rgb(255, 255, 255); font-family: arial; "><font face="'comic sans ms', sans-serif">thanks</font><br><br><font face="garamond, serif"><font size="4">My Regards,</font><br></font></div><hr align="left" size="1" style="color: rgb(34, 34, 34); font-size: small; font-family: arial; width: 210px; min-height: 1px; "><div style="color: rgb(34, 34, 34); font-size: small; background-color: rgb(255, 255, 255); font-family: arial; "><font face="garamond, serif"><div><span style="font-size: 10.5pt; ">Xiaoke (Shock) Jiang （蒋小可）</span></div><div><span style="font-size: 10.5pt; "><br></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Ph.D. Candidate,</font></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Department of Computer Science and Technology,</font></span></div><div><span style="font-size: 10.5pt; "><font color="#666666">Tsinghua University, Beijing, P.R.China. 100084</font></span></div></font></div></div></div>
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