cle class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>Scaling in the Clouds: Istio Ambient vs. Cilium</h1><p>A Deep Dive into Performance at Scale.</p></div><p class=post-author>Oct 21, 2024 <span>| </span>By Mitch Connors</p><div><p>A common question from prospective Istio users is &ldquo;how does Istio compare to Cilium?&rdquo; While Cilium originally only provided L3/L4 functionality, including network policy, recent releases have added service mesh functionality u