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Posts/Retreat2024
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<h2 id="conclusion">Conclusion</h2>
<p>I found the retreat very inspiring, there were lots of interest in various topics, and a lot of projects have been worked on. I'm also very happy that I managed to contribute and start some projects that will hopefully ease MirageOS adaption -- both on the deployment side, but as well on the developer experience side.</p>
<p>I'm looking forward to other writeups and future retreats, or other events where I can say hi to attendees.</p>
<p>We at <a href="https://robur.coop">Robur</a> are working as a collective since 2018 on public funding, commercial contracts, and donations. Our mission is to get sustainable, robust, and secure MirageOS unikernels developed and deployed. Running your own digital communication infrastructure should be easy, including trustworthy binaries and smooth upgrades. You can help us continue our work by <a href="https://aenderwerk.de/donate/">donating</a> (select Robur from the drop-down or put &quot;donation Robur&quot; in the purpose of the bank transfer).</p>
<p>If you have any questions, reach us best via eMail to team AT robur DOT coop.</p>
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<feed xmlns="http://www.w3.org/2005/Atom"><link href="https://hannes.robur.coop/atom" rel="self"/><id>urn:uuid:981361ca-e71d-4997-a52c-baeee78e4156</id><title type="text">full stack engineer</title><updated>2024-05-15T14:38:51-00:00</updated><entry><summary type="html">&lt;p&gt;My involvement and experience of the MirageOS retreat 2024&lt;/p&gt;
<feed xmlns="http://www.w3.org/2005/Atom"><link href="https://hannes.robur.coop/atom" rel="self"/><id>urn:uuid:981361ca-e71d-4997-a52c-baeee78e4156</id><title type="text">full stack engineer</title><updated>2024-05-15T14:41:39-00:00</updated><entry><summary type="html">&lt;p&gt;My involvement and experience of the MirageOS retreat 2024&lt;/p&gt;
</summary><published>2024-05-15T14:38:51-00:00</published><link href="/Posts/Retreat2024" rel="alternate"/><content type="html">&lt;p&gt;End of April I spent a week in Marrakech to work on MirageOS at our annual &lt;a href=&quot;https://retreat.mirage.io&quot;&gt;retreat&lt;/a&gt;. This was the 12th time when it actually took place, and it was amazing. We were a total of 17 people attending, of which 5 people used ground transportation. I have respect for them, to take the 3 or more day trip from Berlin or Glasgow or Paris or whereever to Marrakech - with a ferry in between (which availability depends on the wind etc.). This time, I didn't take ground transportation since I had appointments just before and just after the retreat nearby Berlin where I had to be in person. The food an weather was really nice and motivating.&lt;/p&gt;
&lt;p&gt;Of the 17 people there were lots of new faces. It is really nice to see an active community which is welcoming to new people, and also that there's change: a lot of fresh ideas are brought by these people and we rethink what we are doing and why.&lt;/p&gt;
&lt;p&gt;Our daily routine included breakfast, circle, lunch, dinner, (sometimes) presentations. There wasn't more formal structure, and there was no need for it since people kept themselves busy working on various projects. We had a bigger discussion about &amp;quot;deploying MirageOS&amp;quot;, which is a reoccurring theme. Even running a MirageOS unikernel on a laptop is for people who are not very familiar with networking pretty hard. In addition, our &lt;a href=&quot;https://mirage.io&quot;&gt;website&lt;/a&gt; only briefly described network setup, and included DHCP very early (which is overwhelming to setup and use on your laptop).&lt;/p&gt;
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&lt;h2 id=&quot;conclusion&quot;&gt;Conclusion&lt;/h2&gt;
&lt;p&gt;I found the retreat very inspiring, there were lots of interest in various topics, and a lot of projects have been worked on. I'm also very happy that I managed to contribute and start some projects that will hopefully ease MirageOS adaption -- both on the deployment side, but as well on the developer experience side.&lt;/p&gt;
&lt;p&gt;I'm looking forward to other writeups and future retreats, or other events where I can say hi to attendees.&lt;/p&gt;
</content><category scheme="https://hannes.robur.coop/tags/community" term="community"/><category scheme="https://hannes.robur.coop/tags/mirageos" term="mirageos"/><id>urn:uuid:2c9e2634-78c5-5957-b6f2-d0706f80d7eb</id><title type="text">The MirageOS retreat 2024</title><updated>2024-05-15T14:38:51-00:00</updated><author><name>hannes</name></author></entry><entry><summary type="html">&lt;p&gt;Core Internet protocols require operational experiments, even if formally specified&lt;/p&gt;
&lt;p&gt;We at &lt;a href=&quot;https://robur.coop&quot;&gt;Robur&lt;/a&gt; are working as a collective since 2018 on public funding, commercial contracts, and donations. Our mission is to get sustainable, robust, and secure MirageOS unikernels developed and deployed. Running your own digital communication infrastructure should be easy, including trustworthy binaries and smooth upgrades. You can help us continue our work by &lt;a href=&quot;https://aenderwerk.de/donate/&quot;&gt;donating&lt;/a&gt; (select Robur from the drop-down or put &amp;quot;donation Robur&amp;quot; in the purpose of the bank transfer).&lt;/p&gt;
&lt;p&gt;If you have any questions, reach us best via eMail to team AT robur DOT coop.&lt;/p&gt;
</content><category scheme="https://hannes.robur.coop/tags/community" term="community"/><category scheme="https://hannes.robur.coop/tags/mirageos" term="mirageos"/><id>urn:uuid:2c9e2634-78c5-5957-b6f2-d0706f80d7eb</id><title type="text">The MirageOS retreat 2024</title><updated>2024-05-15T14:41:39-00:00</updated><author><name>hannes</name></author></entry><entry><summary type="html">&lt;p&gt;Core Internet protocols require operational experiments, even if formally specified&lt;/p&gt;
</summary><published>2023-11-28T21:17:01-00:00</published><link href="/Posts/TCP-ns" rel="alternate"/><content type="html">&lt;p&gt;The &lt;a href=&quot;https://en.wikipedia.org/wiki/Transmission_Control_Protocol&quot;&gt;Transmission Control Protocol (TCP)&lt;/a&gt; is one of the main Internet protocols. Usually spoken on top of the Internet Protocol (legacy version 4 or version 6), it provides a reliable, ordered, and error-checked stream of octets. When an application uses TCP, they get these properties for free (in contrast to UDP).&lt;/p&gt;
&lt;p&gt;As common for Internet protocols, TCP is specified in a series of so-called requests for comments (RFC). The latest revised version from August 2022 is &lt;a href=&quot;https://datatracker.ietf.org/doc/html/rfc9293&quot;&gt;RFC 9293&lt;/a&gt;; the initial one was &lt;a href=&quot;https://datatracker.ietf.org/doc/html/rfc793&quot;&gt;RFC 793&lt;/a&gt; from September 1981.&lt;/p&gt;
&lt;h1 id=&quot;my-brief-personal-tcp-story&quot;&gt;My brief personal TCP story&lt;/h1&gt;