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Beyond the fundamentals — service mesh, eBPF, chaos engineering, disaster recovery, and specialized low-latency / FinTech infrastructure. Each file below is self-contained; the read order is a suggestion, not a dependency chain.

Files

File	Topics
service-mesh.md	Istio control/data plane, VirtualService, mTLS, circuit breaking, Linkerd vs Istio
ebpf-observability.md	eBPF verifier, bpftrace, BCC tools, Cilium, Tetragon, Hubble
chaos-engineering.md	Litmus Chaos, Chaos Mesh, game days, failure injection patterns
backup-dr.md	RTO/RPO math, Velero, etcd backup, PITR, AWS DR patterns, 3-2-1 rule
dr-zero-downtime.md	Zero-downtime deploys (graceful shutdown, preStop race, canary/blue-green, expand/contract DB migrations), active-active multi-region DR, sync/async/semi-sync replication RPO tradeoffs, write-blocked-on-failover mechanics + mitigation (failover-aware endpoints, retry+idempotency, degraded read-only mode)
low-latency-networking.md	AWS Direct Connect, BGP tuning, Transit Gateway multicast (IGMP), DPDK kernel bypass, EFA/RDMA, CPU isolation for HFT
fintech-security.md	SEBI CSCRF, CERT-In 6hr incident reporting, K8s audit policy for regulators, PAM/Teleport, zero-downtime secrets rotation
trading-data-streaming.md	Kafka latency-first config, broker I/O tuning, KRaft Express mode, Redis order book consistency & failover

Read Order

graph LR
    A["service-mesh<br/>Istio/Linkerd control & data plane"] --> B["ebpf-observability<br/>kernel-level observability"]
    B --> C["chaos-engineering<br/>failure injection, game days"]
    C --> D["backup-dr<br/>RTO/RPO, Velero, etcd, DR patterns"]
    D --> E["dr-zero-downtime<br/>zero-downtime deploys + multi-region DR + replication failover"]
    E --> F["low-latency-networking<br/>HFT/exchange connectivity, DPDK, multicast"]
    F --> G["fintech-security<br/>SEBI/CERT-In compliance, secrets rotation"]
    G --> H["trading-data-streaming<br/>broker + Redis tuning for market data"]

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Read Order

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