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	<title>BRAD HEDLUND .com &#187; Data Center</title>
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	<link>http://bradhedlund.com</link>
	<description>Studies in Data Center Networking, Virtualization, Computing</description>
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		<title>Cisco UCS Networking Best Practices (in HD)</title>
		<link>http://bradhedlund.com/2010/06/22/cisco-ucs-networking-best-practices/</link>
		<comments>http://bradhedlund.com/2010/06/22/cisco-ucs-networking-best-practices/#comments</comments>
		<pubDate>Wed, 23 Jun 2010 01:08:04 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Cisco UCS]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Featured]]></category>
		<category><![CDATA[unified computing]]></category>

		<guid isPermaLink="false">http://bradhedlund.com/?p=1421</guid>
		<description><![CDATA[This is a presentation I developed covering networking best practices for Cisco UCS, and now have recorded in High Definition for your viewing pleasure! Sweet!  
This presentation assumes familiarity with basic networking and server VNIC concepts in UCS, and familiarity with virtual port channels.
This version of the presentation (v2.5) focuses primarily on the Ethernet [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/06/22/cisco-ucs-networking-best-practices/feed/</wfw:commentRss>
		<slash:comments>9</slash:comments>
		</item>
		<item>
		<title>Data Center Networking Q&amp;A #1 &#8211; starring HP, Nexus 1000V, QoS</title>
		<link>http://bradhedlund.com/2010/06/03/data-center-networking-qa-1-hp-nexus-1000v-qos/</link>
		<comments>http://bradhedlund.com/2010/06/03/data-center-networking-qa-1-hp-nexus-1000v-qos/#comments</comments>
		<pubDate>Thu, 03 Jun 2010 20:21:19 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center Networking]]></category>
		<category><![CDATA[Nexus]]></category>
		<category><![CDATA[QoS]]></category>

		<guid isPermaLink="false">http://bradhedlund.com/?p=1339</guid>
		<description><![CDATA[I thought it would be fun to pilot a series of posts where I pick out interesting search engine queries that were used to find my blog.  Often times these are good questions that deserve a good answer, or other interesting topics that can start a good discussion or fun debate.
This particular series will focus [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/06/03/data-center-networking-qa-1-hp-nexus-1000v-qos/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Setting the stage for TRILL, rethinking data center switching</title>
		<link>http://bradhedlund.com/2010/05/07/setting-the-stage-for-trill/</link>
		<comments>http://bradhedlund.com/2010/05/07/setting-the-stage-for-trill/#comments</comments>
		<pubDate>Fri, 07 May 2010 17:21:32 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Featured]]></category>
		<category><![CDATA[Switching]]></category>
		<category><![CDATA[TRILL]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=1003</guid>
		<description><![CDATA[As data centers become increasingly dynamic and dense with virtualization &#8211; how the classic Ethernet switching design adopts to these new models and scales becomes an important and challenging question. Virtualization and cloud based services says that any workload can exist anywhere, at anytime, on demand, and move to any location without disruption. This is [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/05/07/setting-the-stage-for-trill/feed/</wfw:commentRss>
		<slash:comments>23</slash:comments>
		</item>
		<item>
		<title>The FOLLY in the HP vs Cisco UCS Tolly Group report on bandwidth</title>
		<link>http://bradhedlund.com/2010/03/02/the-folly-in-hp-vs-ucs-tolly/</link>
		<comments>http://bradhedlund.com/2010/03/02/the-folly-in-hp-vs-ucs-tolly/#comments</comments>
		<pubDate>Tue, 02 Mar 2010 23:06:59 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[unified computing]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=936</guid>
		<description><![CDATA[Folly: lack of good sense or normal prudence and foresight
Tolly Group: &#8220;Clients work with Tolly Group senior personnel to identify the chief marketing message desired&#8221;
HP: Client of Tolly Group with a desired marketing message of &#8220;Cisco UCS bandwidth sucks&#8221;, but in fact received an embarrassing Folly. (refund?)
By now you may have read or heard about [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/03/02/the-folly-in-hp-vs-ucs-tolly/feed/</wfw:commentRss>
		<slash:comments>25</slash:comments>
		</item>
		<item>
		<title>The vSwitch ILLUSION and DMZ virtualization</title>
		<link>http://bradhedlund.com/2010/02/10/vswitch-illusion-dmz-virtualization/</link>
		<comments>http://bradhedlund.com/2010/02/10/vswitch-illusion-dmz-virtualization/#comments</comments>
		<pubDate>Thu, 11 Feb 2010 03:05:33 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Nexus]]></category>
		<category><![CDATA[vmware]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=790</guid>
		<description><![CDATA[Server virtualization has gained tremendous popularity and acceptance to a point now that customers are staring to host virtual machines from differing security zones on the same physical Host machine.  Physical servers that were self contained in their own DMZ network environment are now being migrated to a virtual machine resting on a single physical [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/02/10/vswitch-illusion-dmz-virtualization/feed/</wfw:commentRss>
		<slash:comments>15</slash:comments>
		</item>
		<item>
		<title>HP Flex-10 versus Nexus 5000 &amp; Nexus 1000V with 10GE passthrough</title>
		<link>http://bradhedlund.com/2010/02/09/hp-flex-10-versus-nexus-5000-nexus-1000v-with-10ge-passthrough/</link>
		<comments>http://bradhedlund.com/2010/02/09/hp-flex-10-versus-nexus-5000-nexus-1000v-with-10ge-passthrough/#comments</comments>
		<pubDate>Tue, 09 Feb 2010 16:26:55 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[FCoE]]></category>
		<category><![CDATA[Nexus]]></category>
		<category><![CDATA[QoS]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=816</guid>
		<description><![CDATA[I had an interesting discussion with a customer the other day where both Cisco (myself included) and HP account teams where on the same call to discuss Flex-10, Nexus 1000V, or other approaches that may work better. &#8212; Yeah, awkward.
Anyway, for most of the time we (the Cisco team) focused on Flex-10&#8217;s total lack of [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/02/09/hp-flex-10-versus-nexus-5000-nexus-1000v-with-10ge-passthrough/feed/</wfw:commentRss>
		<slash:comments>17</slash:comments>
		</item>
		<item>
		<title>Nexus 5000 &amp; Nexus 2000: New technology requires new thinking</title>
		<link>http://bradhedlund.com/2010/02/09/nexus-5000-2000-new-technology-requires-new-thinking/</link>
		<comments>http://bradhedlund.com/2010/02/09/nexus-5000-2000-new-technology-requires-new-thinking/#comments</comments>
		<pubDate>Tue, 09 Feb 2010 15:19:46 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Nexus]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=801</guid>
		<description><![CDATA[I sometimes hear or read complaints about the Nexus 5000 + Nexus 2000 fabric extender architecture that I want to take a minute to address.  This should be short and sweet, a blogging concept that is foreign to me if you follow my work.  
The typical complaints about this architecture from network engineers are [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2010/02/09/nexus-5000-2000-new-technology-requires-new-thinking/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Simple use cases for Network Interface Virtualization</title>
		<link>http://bradhedlund.com/2009/10/23/simple-use-cases-for-network-interface-virtualization/</link>
		<comments>http://bradhedlund.com/2009/10/23/simple-use-cases-for-network-interface-virtualization/#comments</comments>
		<pubDate>Fri, 23 Oct 2009 21:52:49 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[FCoE]]></category>
		<category><![CDATA[NIV]]></category>
		<category><![CDATA[unified computing]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=761</guid>
		<description><![CDATA[My most recent post Simple Example of Network Interface Virtualization generated enough interest and curosity to warrant a follow-up post showing simple uses cases for NIV.
NIV takes a single physical adapter and presents multiple virtual adapters as if they were physical adapters to the server and network.  Now that the server and network see multiple [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2009/10/23/simple-use-cases-for-network-interface-virtualization/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>A simple example of Network Interface Virtualization</title>
		<link>http://bradhedlund.com/2009/10/23/network-interface-virtualization-simple-example/</link>
		<comments>http://bradhedlund.com/2009/10/23/network-interface-virtualization-simple-example/#comments</comments>
		<pubDate>Fri, 23 Oct 2009 17:37:56 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[FCoE]]></category>
		<category><![CDATA[NIV]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=749</guid>
		<description><![CDATA[I&#8217;m seeing some confusion in the blogosphere about how Cisco&#8217;s implementation of Network Interface Virtualization (NIV) really works so perhaps a very simple example is needed, and that is the intent of this post.  My previous posts about NIV with Cisco&#8217;s Palo adapter were focused on the big picture and the complete solution, such as [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2009/10/23/network-interface-virtualization-simple-example/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Cisco UCS and Nexus 1000V design diagram with Palo adapter</title>
		<link>http://bradhedlund.com/2009/08/11/cisco-ucs-nexus-1000v-design-palo-virtual-adapter/</link>
		<comments>http://bradhedlund.com/2009/08/11/cisco-ucs-nexus-1000v-design-palo-virtual-adapter/#comments</comments>
		<pubDate>Tue, 11 Aug 2009 22:21:20 +0000</pubDate>
		<dc:creator>Brad Hedlund</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Design Diagrams]]></category>
		<category><![CDATA[Featured]]></category>
		<category><![CDATA[Nexus]]></category>
		<category><![CDATA[unified computing]]></category>
		<category><![CDATA[vmware]]></category>

		<guid isPermaLink="false">http://www.bradhedlund.com/?p=641</guid>
		<description><![CDATA[This is a follow-up and enhancement of a previous design diagram in which I showed Cisco UCS running the standard VMware vSwitch.  In this post I am once again showing Cisco UCS utilizing the Cisco (Palo) virtualized adapter with an implementation of VMware vSphere 4.0, however in this design we are running ESXi and the [...]]]></description>
		<wfw:commentRss>http://bradhedlund.com/2009/08/11/cisco-ucs-nexus-1000v-design-palo-virtual-adapter/feed/</wfw:commentRss>
		<slash:comments>26</slash:comments>
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