Proxyportal -

[5] Y. Zhang et al., “Slim: OS-level support for a zero-overhead proxy,” ACM SOSP , 2021.

apiVersion: proxyportal.io/v1 kind: AdaptiveRoute spec: from: service-a to: service-b policy: minSecurity: "strict" # forces full proxy mode maxLatencyMs: 30 adaptiveEnabled: true proxyportal

[ \textScore(m) = \alpha \cdot L_m + \beta \cdot C_m + \gamma \cdot (1 - S_m) ] ProxyPortal : Same resources, but adaptive across modes

: Istio 1.18 with Envoy sidecars (resource limits: 100m CPU, 128Mi RAM). ProxyPortal : Same resources, but adaptive across modes. 4.1 Latency Results | Metric | Istio+Envoy | ProxyPortal (adaptive) | Improvement | |---------------|-------------|------------------------|--------------| | p50 latency | 12.4 ms | 8.1 ms | 35% ↓ | | p99 latency | 94.2 ms | 54.6 ms | 42% ↓ | | p99.9 latency | 210 ms | 98 ms | 53% ↓ | ProxyPortal : Same resources