The Everything Feed - All Packet Pushers Pods NB550: A Cornucopia of AI Switches; DNS Strikes Again
Nov 3, 2025
Discover the latest advancements in AI networking and cloud resilience as hosts delve into the innovative features of cutting-edge switches like Arista's R4 family and Celestica's DS6000. Learn about a critical DNS issue that led to a worldwide Azure outage, and receive vital updates on Firefox’s security vulnerabilities. Explore how companies are applying traditional security practices to AI, and gain insights into Qualcomm's upcoming inference processors designed for efficient machine learning.
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Episode notes
Critical Firefox Sandbox Escape
- Firefox had a sandbox escape (CVE-2025-12380) allowing compromised pages to execute code via a use-after-free in WebGPU.
- Upgrade to Firefox 144.0 immediately to remediate this high-severity 9.8/10 vulnerability.
Tenant Config Broke Global Azure Services
- An inadvertent tenant configuration change in Azure Front Door caused global DNS/routing failures and broad Microsoft service outages for ~8+ hours.
- Recovery required careful rolling of corrected configs to avoid overloading healthy nodes during rebalancing.
Plan For Cloud Provider Failures
- Expect cloud provider outages to recur and plan for resilience across providers and architectures.
- Review Heavy Strategies episode 111 for practical strategies when a cloud service goes unexpectedly offline.