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	<title>tanasi.it &#187; cisco</title>
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	<description>Alessandro `jekil` Tanasi blog</description>
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		<title>Lol: The Day The Routers Died&#8230;</title>
		<link>http://www.tanasi.it/1215-lol-the-day-the-routers-died.html</link>
		<comments>http://www.tanasi.it/1215-lol-the-day-the-routers-died.html#comments</comments>
		<pubDate>Wed, 19 Mar 2008 01:42:01 +0000</pubDate>
		<dc:creator>jekil</dc:creator>
				<category><![CDATA[LOL]]></category>
		<category><![CDATA[cisco]]></category>

		<guid isPermaLink="false">http://localhost/wordpress/?p=1122</guid>
		<description><![CDATA[Una nuova Cisco eraPapers about NetFlow applicationsCorso cisco]]></description>
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<ul class="related_post"><li><a href="http://www.tanasi.it/1213-una-nuova-cisco-era.html" title="Una nuova Cisco era">Una nuova Cisco era</a></li><li><a href="http://www.tanasi.it/1091-papers-about-netflow-applications.html" title="Papers about NetFlow applications">Papers about NetFlow applications</a></li><li><a href="http://www.tanasi.it/1-corso-cisco.html" title="Corso cisco">Corso cisco</a></li></ul>]]></content:encoded>
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		<title>Una nuova Cisco era</title>
		<link>http://www.tanasi.it/1213-una-nuova-cisco-era.html</link>
		<comments>http://www.tanasi.it/1213-una-nuova-cisco-era.html#comments</comments>
		<pubDate>Sat, 15 Mar 2008 15:30:16 +0000</pubDate>
		<dc:creator>jekil</dc:creator>
				<category><![CDATA[Networking]]></category>
		<category><![CDATA[Techie]]></category>
		<category><![CDATA[cisco]]></category>
		<category><![CDATA[kvm]]></category>
		<category><![CDATA[virtualizzazione]]></category>

		<guid isPermaLink="false">http://localhost/wordpress/?p=1121</guid>
		<description><![CDATA[Sembra che Cisco si stia mettendo in linea con le tendenze costruttive e di sviluppo degli altri produttori di network device ovvero utilizzando CPU comuni e un sistema operativo derivato da kernel open source. Sono rimasto abbastanza stupito quando leggendo questa notizia ho appreso di questo cambiamento di rotta, il nuovo IOS-XE sara` sviluppato prendendo [...]]]></description>
			<content:encoded><![CDATA[<p>Sembra che Cisco si stia mettendo in linea con le tendenze costruttive e di sviluppo degli altri produttori di <b>network device</b> ovvero utilizzando <b>CPU comuni</b> e un sistema operativo <b>derivato</b> da kernel open source.
<p>Sono rimasto abbastanza stupito quando leggendo <a href="http://www.virtualization.info/2008/03/cisco-puts-kvm-in-its-ios.html">questa notizia</a> ho appreso di questo cambiamento di rotta, il nuovo <b>IOS-XE</b> sara` sviluppato prendendo come base un kernel linux e il suo target saranno i router di fascia alta come il ASR1000 che con il supporto per <b>KVM</b> (virtualizzazione in hardware) offrira` funzionalita` di ridondanza del sistema operativo.</p>
<p>Immagino quindi che gli sviluppatori Cisco si prefiggano di far girare due istanze di IOS che vengono tenute sincronizzate, in modo che nel caso muoia o vada in crash un&#8217;istanza ci sia l&#8217;altra ad entrare in azione finche` la prima non viene riavviata. Ma a dirsi sembra facile..</p>
<p>Era ora Cisco!</p>
<ul class="related_post"><li><a href="http://www.tanasi.it/1215-lol-the-day-the-routers-died.html" title="Lol: The Day The Routers Died&#8230;">Lol: The Day The Routers Died&#8230;</a></li><li><a href="http://www.tanasi.it/1091-papers-about-netflow-applications.html" title="Papers about NetFlow applications">Papers about NetFlow applications</a></li><li><a href="http://www.tanasi.it/1-corso-cisco.html" title="Corso cisco">Corso cisco</a></li></ul>]]></content:encoded>
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		<title>Papers about NetFlow applications</title>
		<link>http://www.tanasi.it/1091-papers-about-netflow-applications.html</link>
		<comments>http://www.tanasi.it/1091-papers-about-netflow-applications.html#comments</comments>
		<pubDate>Thu, 13 Sep 2007 23:16:00 +0000</pubDate>
		<dc:creator>jekil</dc:creator>
				<category><![CDATA[In English]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Techie]]></category>
		<category><![CDATA[cisco]]></category>
		<category><![CDATA[netflow]]></category>
		<category><![CDATA[netflow software]]></category>
		<category><![CDATA[network monitoring]]></category>

		<guid isPermaLink="false">http://localhost/wordpress/?p=1023</guid>
		<description><![CDATA[Properties and Prediction of Flow Statistics from Sampled Packet Streams Nick Duffield, Carsten Lund, Mikkel Thorup, Proc. ACM SIGCOMM IMC, 2002. A detailed investigation of the effects of packet sampling on flow-based traffic accounting. TCP Use and Performance on Internet2 Stanislav Shalunov, Benjamin Teitelbaum, ACL SIGCOMM IMW, 2001. See the pointer to the Abilene usage [...]]]></description>
			<content:encoded><![CDATA[<dl>
<dt><a href="http://portal.acm.org/citation.cfm?id=637201.637225">Properties<br />
and Prediction of Flow Statistics from Sampled Packet Streams</a></dt>
<dd> Nick Duffield, Carsten Lund, Mikkel Thorup, Proc. ACM SIGCOMM<br />
IMC, 2002.  A detailed investigation of the effects of packet sampling<br />
on flow-based traffic accounting. </dd>
<dt> <a name="abilene-bulk-tcp"></a><a href="http://ben.teitelbaum.us/internet2/papers/i2tcp-imeas2001.pdf"><br />
TCP Use and Performance on Internet2</a></dt>
<dd> Stanislav Shalunov, Benjamin Teitelbaum, ACL SIGCOMM IMW, 2001.<br />
See the <a href="http://www.switch.ch/network/projects/completed/TF-NGN/floma/projects.html#abilene-weekly-usage-reports">pointer</a> to the<br />
Abilene usage report page in the <em>projects</em> section of these<br />
pages.  </dd>
<dt><a name="tom-kosnar-pam2001"></a><a href="http://www.ripe.net/pam2001/Abstracts/equip_03.html"><br />
Traffic analysis and infrastructure monitoring in CESNET2<br />
Network</a></dt>
<dd> Tom Kosnar, PAM 2001. </dd>
<dt><a href="http://www.ripe.net/pam2001/Papers/poster_02.ps.gz">Flow-Based Traffic Analysis at SWITCH</a></dt>
<dd> Simon Leinen, PAM 2001 (<a href="ftp://ftp.switch.ch/software/sources/network/fluxoscope/papers/pam2001-poster.ps.gz">poster</a>).</dd>
<dt><a href="http://www.nanog.org/mtg-0102/plonka.html">FlowScan<br />
Presentation and BOF</a></dt>
<dd> Dave Plonka, NANOG 21, 2001.  Slide presentation and RealVideo<br />
recording.  Slides also available <a href="http://net.doit.wisc.edu/%7Eplonka/nanog/">here</a>. </dd>
<dt><a href="http://www.usenix.org/events/lisa2000/plonka.html">FlowScan: A<br />
Network Traffic Flow Reporting and Visualization Tool</a></dt>
<dd> by Dave Plonka, Usenix LISA 2000.  Also available in full as <a href="http://net.doit.wisc.edu/%7Eplonka/lisa/FlowScan/">HTML</a> and <a href="http://net.doit.wisc.edu/%7Eplonka/lisa/FlowScan/out.ps.gz">PS</a>,<br />
as well as the <a href="http://net.doit.wisc.edu/%7Eplonka/lisa/FlowScan/presentation/">slides</a><br />
of the presentation. </dd>
<dt><a href="http://www.usenix.org/events/lisa2000/navarro.html">Combining<br />
Cisco NetFlow Exports with Relational Database Technology for Usage<br />
Statistics, Intrusion Detection, and Network Forensics</a></dt>
<dd> by Bill Nickless, John-Paul Navarro, and Linda Winkler, Usenix<br />
LISA 2000.  </dd>
<dt><a href="http://www.usenix.org/events/lisa2000/fullmer.html"><br />
The OSU Flow-tools Package and CISCO NetFlow Logs</a></dt>
<dd> by Steve Romig, Mark Fullmer, and Ron Luman, Usenix LISA<br />
2000. </dd>
<dt><a name="osu-id"></a><a href="http://www.usenix.org/publications/login/1999-9/osu.html">Cisco Flow Logs and Intrusion Detection at the Ohio State University</a></dt>
<dd> by Steve Romig, Mark Fullmer, Suresh Ramachandran, Usenix<br />
<tt>;login:</tt> vol.9, 1999.  <em>Describes the use of the OSU <a href="http://www.switch.ch/network/projects/completed/TF-NGN/floma/software.html#flow-tools">flow tools</a> for Intrusion<br />
Detection. </em></dd>
<dt><a href="http://portal.acm.org/citation.cfm?doid=383576.383589">Deriving<br />
traffic demands for operational IP networks: Methodology and<br />
experience</a></dt>
<dd>by Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold,<br />
Jennifer Rexford, and Fred True, ACM TON, June 2001.  Also available:<br />
<a href="http://www.caida.org/outreach/isma/0012/talks/rexford/">slides</a><br />
from a presentation to the ISMA workshop.</dd>
</dl>
<ul class="related_post"><li><a href="http://www.tanasi.it/939-netflow-software-list.html" title="Netflow software list">Netflow software list</a></li><li><a href="http://www.tanasi.it/184-stager.html" title="Stager">Stager</a></li><li><a href="http://www.tanasi.it/1083-documentation-about-netflow.html" title="Documentation about Netflow">Documentation about Netflow</a></li><li><a href="http://www.tanasi.it/1090-monitoraggio-di-rete-con-netflow-allesc07.html" title="Monitoraggio di rete con NetFlow all&#8217;ESC07">Monitoraggio di rete con NetFlow all&#8217;ESC07</a></li><li><a href="http://www.tanasi.it/929-netflow-software.html" title="NetFlow Software">NetFlow Software</a></li></ul>]]></content:encoded>
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		<item>
		<title>Corso cisco</title>
		<link>http://www.tanasi.it/1-corso-cisco.html</link>
		<comments>http://www.tanasi.it/1-corso-cisco.html#comments</comments>
		<pubDate>Tue, 26 Oct 2004 23:42:42 +0000</pubDate>
		<dc:creator>jekil</dc:creator>
				<category><![CDATA[Personal]]></category>
		<category><![CDATA[ccna]]></category>
		<category><![CDATA[cisco]]></category>

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		<description><![CDATA[Anche oggi lezione del corso Cisco, le prime lezioni sono pallose perche&#8217; trattano concetti di base, quali numerazione binaria e fondamenti di hardware Incredibilmente c&#8217;e&#8217; gente che non conosce neanche queste cose (vabbe&#8217; impareranno..), ma in compenso ci sono alcune persone simpatiche e di grande sapienzaTM. Lol: The Day The Routers Died&#8230;Una nuova Cisco eraPapers [...]]]></description>
			<content:encoded><![CDATA[<p>Anche oggi lezione del corso <a href="http://www.cisco.com" target="_blank" title="Cisco">Cisco</a>, le prime lezioni sono pallose perche&#8217; trattano concetti di base, quali numerazione binaria e fondamenti di hardware <img src='http://www.tanasi.it/wp-includes/images/smilies/icon_sad.gif' alt=':(' class='wp-smiley' />  <br />Incredibilmente c&#8217;e&#8217; gente che non conosce neanche queste cose (vabbe&#8217; impareranno..), ma in compenso ci sono alcune persone simpatiche e di grande sapienza<sup>TM</sup>.  </p>
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