Containment Support
Running frozen software on purpose.
Not every MXNet system can move this quarter. Budgets are finite, the team that built the model may be gone, and some models are load-bearing enough that nobody wants to touch them without a validation story in place. Containment is the honest middle path: keep the system running safely, on purpose, with an expiry date — instead of by neglect, indefinitely.
What containment involves
- Pinned, reproducible environments. MXNet's dependency tree is frozen, but your builds shouldn't be fragile. We lock the full environment — framework, Python dependencies, CUDA/cuDNN, base images — into reproducible builds, so the system can be rebuilt on demand rather than depending on a golden image nobody dares touch.
- Vulnerability monitoring. Upstream will never patch again, so exposure has to be tracked deliberately: continuous CVE monitoring across the pinned tree, with each finding assessed for actual reachability in your deployment rather than raw scanner noise.
- Isolation strategies. Frozen software earns a smaller blast radius. Depending on the workload: network segmentation, restricted egress, dedicated runtime environments, and minimized privileges for the serving path — so a compromise of the unpatchable component stays contained.
- Operational guardrails. Monitoring for the failure modes frozen systems actually exhibit — driver drift after infrastructure upgrades, silent numerical changes after hardware moves — plus documented runbooks so the system stops being tribal knowledge.
The dated exit plan
Containment without an end date is just deferred risk with better paperwork. Every containment engagement produces an exit plan with dates: which models are next to port, what has to be true (budget, staffing, retraining data) for each move, and when the containment posture itself gets re-reviewed. Compliance teams generally need exactly this artifact — evidence that the unsupported component is known, bounded, and scheduled for removal.
When containment is the right call
Containment fits when the model still earns its keep but porting effort exceeds near-term capacity; when a model's provenance is murky enough that porting requires rediscovery work first; or when the system is due for retirement anyway and porting would be wasted effort. The estate assessment is where those calls get made per model.
Containment support runs as ongoing hourly engagement — monitoring, periodic posture reviews, and escalation when something in the pinned world breaks. Talk to us about what you're running.