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	<title>Ali Abbas</title>
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	<link>http://alouche.net</link>
	<description>Unix - Networking - News</description>
	<lastBuildDate>Sat, 04 Feb 2012 13:21:09 +0000</lastBuildDate>
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		<title>Linux CFS Algorithm and Virtual Runtime</title>
		<link>http://alouche.net/2012/02/04/linux-cfs-algorithm-and-virtual-runtime/</link>
		<comments>http://alouche.net/2012/02/04/linux-cfs-algorithm-and-virtual-runtime/#comments</comments>
		<pubDate>Sat, 04 Feb 2012 13:21:08 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Kernel]]></category>
		<category><![CDATA[Unix / Linux]]></category>
		<category><![CDATA[cfs]]></category>
		<category><![CDATA[linux scheduler]]></category>

		<guid isPermaLink="false">http://alouche.net/?p=1389</guid>
		<description><![CDATA[Since the 2.6.23 kernel, the Linux kernel process scheduler previously O(1) was replaced by CFS &#8211; a Completely Fair Scheduler. CFS uses a red-black tree as data-structure and unlike previous Unix process scheduler does not account a traditional time slice of process execution but accounts what is referred as the process virtual runtime, expressed in [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DCB 101 &#8211; Priority-based Flow Control</title>
		<link>http://alouche.net/2012/01/13/dcb-101-priority-based-flow-control/</link>
		<comments>http://alouche.net/2012/01/13/dcb-101-priority-based-flow-control/#comments</comments>
		<pubDate>Fri, 13 Jan 2012 13:39:12 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[DCB]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[dcb]]></category>
		<category><![CDATA[fcoe]]></category>
		<category><![CDATA[pfc]]></category>
		<category><![CDATA[ppc]]></category>

		<guid isPermaLink="false">http://alouche.net/?p=1368</guid>
		<description><![CDATA[DCB &#8211; Data Center Bridging is set of standard which defines 4 set of independent technologies/concepts to pretty much make Ethernet lossless, hence to support storage traffic. We will not go into a debate over FCoE, whether you should consider a single fabric for both storage and &#8220;standard/Ethernet&#8221; traffic in your data center design strategy [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Yes Diffie-Hellman is secure</title>
		<link>http://alouche.net/2011/10/31/yes-diffie-hellman-is-secure/</link>
		<comments>http://alouche.net/2011/10/31/yes-diffie-hellman-is-secure/#comments</comments>
		<pubDate>Mon, 31 Oct 2011 20:24:31 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Cryptography]]></category>
		<category><![CDATA[encryption]]></category>
		<category><![CDATA[logarithm]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1265</guid>
		<description><![CDATA[When it comes to the Diffie-Hellman algorithm, there seem to be many confusions from newbies in Cryptography as to whether an attacker could easily recompute the shared key by intercepting the prime numbers + public keys. While the answer is &#8220;no&#8221;, understanding why, requires an understanding the discrete logarithm problem. So here we go. Discrete Logarithm [...]]]></description>
		<wfw:commentRss>http://alouche.net/2011/10/31/yes-diffie-hellman-is-secure/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>RXDSK &#8211; RapidDisk &#8211; Ram Block Device</title>
		<link>http://alouche.net/2011/10/12/rxdsk-rapiddisk-ram-block-device/</link>
		<comments>http://alouche.net/2011/10/12/rxdsk-rapiddisk-ram-block-device/#comments</comments>
		<pubDate>Wed, 12 Oct 2011 20:17:09 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Unix / Linux]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[ram]]></category>
		<category><![CDATA[ramfs]]></category>
		<category><![CDATA[tmpfs]]></category>
		<category><![CDATA[zxdsk]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1251</guid>
		<description><![CDATA[RXDSK is a project currently in development which is worth checking out and keeping an eye on. It is quiet similar to ZRAM (previously compache) and TMPFS/RAMFS but has some minor differences which renders it more flexible for generic usage. ZXDSK allows for example an export of the ram disk to a physical disk, making [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>RedHat/CentOS 6 Xen Kernel RPMs</title>
		<link>http://alouche.net/2011/09/08/redhat-centos-6-xen-kernel-rpms/</link>
		<comments>http://alouche.net/2011/09/08/redhat-centos-6-xen-kernel-rpms/#comments</comments>
		<pubDate>Thu, 08 Sep 2011 16:57:10 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Redhat/Centos]]></category>
		<category><![CDATA[Unix / Linux]]></category>
		<category><![CDATA[dom0]]></category>
		<category><![CDATA[el6]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[xen]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1216</guid>
		<description><![CDATA[I have created a working Red Hat/CentOS 6 Xen Dom0 Kernel including backport patches. I had to hack to the blktap driver hooks to finalize support of the module due to the interface changes in the recent vanilla kernel. But all is working. [root@blackhole1 ~]# uname -rsm Linux 2.6.32-131.12.1.el6.alouche.xen.dom0.x86_64 x86_64 [root@blackhole1 ~]# xm list Name                                        [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Padhye et. al. Equation and TCP performance</title>
		<link>http://alouche.net/2011/09/03/padhye-et-al-equation-and-tcp-performance/</link>
		<comments>http://alouche.net/2011/09/03/padhye-et-al-equation-and-tcp-performance/#comments</comments>
		<pubDate>Sat, 03 Sep 2011 20:02:31 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[TCP/IP]]></category>
		<category><![CDATA[equation]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=932</guid>
		<description><![CDATA[If you are not familiar with the Mathis Equation, I recommend you quickly go over my post article Mathis Equation and TCP Performance. This is necessary since the Padhye et. al. Equation is an extension to the Mathis Equation for accuracy of TCP throughput calculation over multiple scenario of packet loss. As simply put, the Padhye [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>pwgen 0.5 released</title>
		<link>http://alouche.net/2011/08/06/pwgen-0-5-released/</link>
		<comments>http://alouche.net/2011/08/06/pwgen-0-5-released/#comments</comments>
		<pubDate>Sat, 06 Aug 2011 19:02:37 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[General]]></category>
		<category><![CDATA[pwgen-firefox]]></category>
		<category><![CDATA[Firefox Extension]]></category>
		<category><![CDATA[pwgen]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1202</guid>
		<description><![CDATA[Hi there! I have just released version 0.5 of pwgen, which has been refactored to be Firefox 5 compliant. For those who wishes to use the addon prior to the review from Firefox Mods, you can download the version here. Russian and Polish languages have been added &#8211; Thanks to Artem Karpenko &#60;gooyozh@gmail.com&#62; (RU) and [...]]]></description>
		<wfw:commentRss>http://alouche.net/2011/08/06/pwgen-0-5-released/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>The Kernel Samepage Merging Process</title>
		<link>http://alouche.net/2011/07/18/the-kernel-samepage-merging-process/</link>
		<comments>http://alouche.net/2011/07/18/the-kernel-samepage-merging-process/#comments</comments>
		<pubDate>Mon, 18 Jul 2011 19:34:23 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Unix / Linux]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[KSM]]></category>
		<category><![CDATA[Memory]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1170</guid>
		<description><![CDATA[KSM, simply put is a service daemon which scans the page addresses to find duplicate pages, merges them and therefore reduces the memory density. The code used in this post as example can be found under /mm/ksm.c in the kernel source. Before continuing, it is important to keep in mind that: - KSM uses a [...]]]></description>
		<wfw:commentRss>http://alouche.net/2011/07/18/the-kernel-samepage-merging-process/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Small Blog Update</title>
		<link>http://alouche.net/2011/07/16/small-blog-update/</link>
		<comments>http://alouche.net/2011/07/16/small-blog-update/#comments</comments>
		<pubDate>Sat, 16 Jul 2011 19:33:02 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[General]]></category>
		<category><![CDATA[News]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1146</guid>
		<description><![CDATA[After spending 2 relaxing weeks abroad with crazy dolphins [slideshow id=1] &#160; here are 2 small changes to the blog: &#160; Introduction of short FAQ Posts One could easily say that my blogging activity has been a logarithmic decrease per individual months . Having not enough time to write lengthly posts, I will resort to [...]]]></description>
		<wfw:commentRss>http://alouche.net/2011/07/16/small-blog-update/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>KGPU &#8211; GPU Computing Framework</title>
		<link>http://alouche.net/2011/05/09/kgpu-gpu-computing-framework/</link>
		<comments>http://alouche.net/2011/05/09/kgpu-gpu-computing-framework/#comments</comments>
		<pubDate>Mon, 09 May 2011 20:06:37 +0000</pubDate>
		<dc:creator>Ali Abbas</dc:creator>
				<category><![CDATA[Unix / Linux]]></category>
		<category><![CDATA[gpu]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://alouche.net/blog/?p=1138</guid>
		<description><![CDATA[KGPU is a project that aims to port GPU capabilities directly to the linux kernel. Utilizing CUDA or OpenCL, userspace application can offload calculations to the GPU card, however KGPU extends this now transparently to the kernel. As stated by the project&#8217;s site The idea behind KGPU is to treat the GPU as a computing [...]]]></description>
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		<slash:comments>0</slash:comments>
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