Aws Elastic Ip

AWS Elastic IP for live streaming: practical guide for production teams

AWS Elastic IP is a static public IPv4 address that you can remap between instances. In streaming systems, teams use it to keep ingest and control endpoints stable while instances are replaced, restarted, or failed over. If your stack depends on allowlists from encoders, contribution partners, or enterprise firewalls, a stable address is often the difference between smooth operations and repeated outages. For this workflow, Video platform API is the most direct fit. If you need a step by step follow-up, read Video Sharing Platforms: Practical Evaluation and Deployment Guide. If you need a step by step follow-up, read Upload Video.

What problem it solves in video workflows

Dynamic instance IP changes break hardcoded encoder endpoints, network ACLs, and partner-side firewall rules. Elastic IP removes that fragility by giving your pipeline a permanent edge identity. This is especially important for:

• SRT or RTMP contribution where remote teams publish to a fixed host and port.
• 24/7 channels where maintenance windows are short and rollback must be immediate.
• Private B2B deployments with strict inbound allowlists.

Where Elastic IP fits in architecture

Use Elastic IP at the ingest edge or API edge, not everywhere. Typical pattern:

1. Attach Elastic IP to a small ingress layer (NLB target, gateway instance, or managed entry point).
2. Route traffic to stateless processing nodes behind it.
3. Keep media state in durable services (object storage, queues, database), not on edge nodes.

For low-latency ingest strategy and SRT tuning, continue with Low latency streaming that actually works. For browser playback architecture, use HLS streaming in production.

Practical implementation recipe

Recipe 1: stable SRT ingest entry

• Allocate one Elastic IP in the target region.
• Bind it to your ingest instance or gateway.
• Expose only required ports, for example `1935` (RTMP) or `9000-9100` (SRT listeners by design).
• Set security groups to strict source ranges whenever possible.

Recipe 2: zero-downtime instance replacement

• Prepare replacement instance with identical services and health checks.
• Warm up process state and verify ingest handshake with a test stream.
• Reassociate Elastic IP from old instance to new instance.
• Observe ingest/session metrics for 5 to 15 minutes, then drain old node.

Recipe 3: controlled failover runbook

• Define explicit failover triggers: packet loss threshold, ingest disconnect rate, health endpoint failures.
• Automate Elastic IP reassociation with approval gates for production.
• Track recovery time objective and publish post-incident data to operations docs.

Configuration targets that usually work

• SRT contribution latency: start at 1500 to 3000 ms for internet paths, then tune down only after observing retransmit stability.
• GOP alignment: 2 second GOP for live ABR is a common baseline when packaging to HLS/CMAF.
• Health checks: 5 second interval, 2 to 3 failed checks before failover signal.
• Rollback window: keep previous node available for at least 15 to 30 minutes after cutover.

Common mistakes and fixes

• Mistake: using Elastic IP as a full HA strategy. Fix: Elastic IP gives stable identity, but you still need health checks, stateless processing, and repeatable failover.
• Mistake: broad open security groups. Fix: restrict source CIDRs and separate management ports from ingest ports.
• Mistake: no reassociation drills. Fix: run scheduled game days and measure real reassociation impact on active sessions.
• Mistake: coupling ingestion with UI/API on same node. Fix: isolate roles to reduce blast radius.

Product mapping for next step

If your goal is reliable multi-destination delivery, go to Ingest and route. For browser playback and embeddable distribution, use Player and embed. For monetization and access control workflows, use Paywall and access. For implementation details, continue with Video uploader for live streaming.

Rollout checklist

• Elastic IP allocated and documented with owner and environment tag.
• Ingress security groups reviewed and minimized.
• Failover and reassociation tested in staging and production drill.
• Monitoring covers ingest availability, reconnect rate, packet loss, and end-to-end startup time.
• Runbook includes rollback and communication steps for partner teams.