https://www.chenk.top/en/tags/sdn/Recent content in SDN on Chen Kai BlogHugoenTue, 18 Apr 2023 09:00:00 +0000https://www.chenk.top/en/cloud-computing/networking-sdn/Tue, 18 Apr 2023 09:00:00 +0000https://www.chenk.top/en/cloud-computing/networking-sdn/<p><figure class="article-figure"> <img src="https://blog-pic-ck.oss-cn-beijing.aliyuncs.com/posts/en/cloud-computing/networking-sdn/illustration_1.png" alt="Cloud Computing (5): Cloud Network Architecture and SDN — Chapter overview" loading="lazy" decoding="async" class="content-image"> </figure> </p> <p>A cloud platform is essentially a network with attached computers. The compute layer scales by adding servers; the storage layer scales by adding disks; the <em>network</em> layer integrates these into a single, coherent system. Get the network right, and the rest of the stack feels effortless. Get it wrong — a missing route, a 5-tuple mismatch in a security group, or an under-provisioned load balancer — and the whole platform goes dark.</p>