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	<title>Chris Branch &#8211; Noise</title>
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		<title>So long, and thanks for all the fish: how to escape the Linux networking stack</title>
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		<dc:creator><![CDATA[Chris Branch]]></dc:creator>
		<pubDate>Wed, 29 Oct 2025 13:00:00 +0000</pubDate>
				<category><![CDATA[Egress]]></category>
		<category><![CDATA[linux]]></category>
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					<description><![CDATA[Many products at Cloudflare aren’t possible without pushing the limits of network hardware and software to deliver improved performance, increased efficiency, or novel capabilities such as soft-unicast, our method for sharing IP subnets across data centers. Happily, most people do not need to know the intricacies of how your operating system handles network and Internet access in general. Yes, even most people within Cloudflare. But sometimes we try to push well beyond the design intentions of Linux’s networking stack. This is a story about one of those attempts.]]></description>
		
		
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		<title>How to build your own VPN, or: the history of WARP</title>
		<link>https://noise.getoto.net/2025/10/29/how-to-build-your-own-vpn-or-the-history-of-warp/</link>
		
		<dc:creator><![CDATA[Chris Branch]]></dc:creator>
		<pubDate>Wed, 29 Oct 2025 13:00:00 +0000</pubDate>
				<category><![CDATA[linux]]></category>
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					<description><![CDATA[WARP’s initial implementation resembled a VPN that allows Internet access through it. Here’s how we built it – and how you can, too.]]></description>
		
		
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		<title>Oxy: the journey of graceful restarts</title>
		<link>https://noise.getoto.net/2023/04/04/oxy-the-journey-of-graceful-restarts/</link>
		
		<dc:creator><![CDATA[Chris Branch]]></dc:creator>
		<pubDate>Tue, 04 Apr 2023 13:00:00 +0000</pubDate>
				<category><![CDATA[Edge]]></category>
		<category><![CDATA[Oxy]]></category>
		<category><![CDATA[Proxying]]></category>
		<category><![CDATA[Rust]]></category>
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					<description><![CDATA[Deploying new versions of long-lived server software while maintaining a reliable experience is challenging. For oxy, we established several development and operational patterns to increase reliability and reduce friction in deployments]]></description>
		
		
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