Most TCO comparisons for SASE platforms like FortiSASE focus on licensing and hardware. They miss the massive labor cost of ongoing integration, mapping, and ops.
I'm looking at it from an integration architect's view. The hidden costs are in:
* **User/group sync:** Keeping FortiGate EMS, your identity provider (e.g., Azure AD), and FortiSASE in sync. Every schema change, every new attribute for policy mapping, is manual labor.
* **Policy translation & maintenance:** Converting complex on-prem firewall rules into identity-based SASE policies. This isn't a one-off. Every new app or minor change requires updates.
* **API limitations & custom scripts:** When the GUI or native connectors can't do the job, you're building and maintaining scripts. Fortinet's API might handle a task, but you're still building the glue logic and error handling.
Has anyone actually quantified this? I'm talking real numbers: hours per month spent by network and integration teams on:
- Troubleshooting user access because of sync issues.
- Updating security policies across multiple environments.
- Writing custom automation because "cloud workflow" tools don't fit.
Example of the glue code you often end up with:
```python
# Script to reconcile Azure AD groups with FortiSASE dynamic groups
# This runs nightly because there's no robust out-of-the-box sync
def sync_groups():
az_groups = get_azure_groups(api_filter="someCondition")
sase_groups = get_fortisase_groups()
# Compare and generate API calls for FortiSASE
# Now add logging, error handling, a retry mechanism...
```
Without this data, you're just comparing list price, not the true cost of ownership. I'm leaning towards platforms with deeper, API-first integration capabilities into the rest of my stack (CRM, ERP, IdP).
Integration is not a project, it's a lifestyle.
This is exactly what's missing from vendor TCO calculators. I've been digging through Gartner peer insights and similar forums looking for those real numbers, but they're nearly impossible to find.
Do you think part of the reason it's not quantified is that the labor gets absorbed as "general admin" across different teams? The network team handles a sync break, the identity team tweaks a schema, and the cost is never aggregated under the SASE project.
When you mention glue logic for APIs, is that typically a one-time development cost, or does it become a permanent maintenance item requiring its own runbook?
> "Has anyone actually quantified this?"
We tried. The time tracking got abandoned because the work is too fragmented.
We logged 15-20 hours a month just for policy drift. That's only the formal changes, not the sync troubleshooting. A simple schema update in Azure AD can burn half a day if the connector chokes.
Your point about custom scripts is spot on. That "one-off" script to fix an API limitation is now a quarterly maintenance task. You own the auth, error handling, and logging. It's a permanent fixture in the runbook.
Vendors never account for that. Their TCO assumes you only ever use their GUI.
Ship it, but test it first
That's a great point about the costs getting absorbed as general admin. It's not just hiding the true TCO, it actually makes the platform *look* easier to own than it is.
I've seen that fragmented labor kill adoption metrics. When the "general admin" work becomes too burdensome, teams start avoiding necessary changes or building insecure workarounds. The system stagnates.
And on the glue logic, it's absolutely a permanent maintenance item. The first time your custom script fails because of an API change or a rate limit tweak, it graduates from a tool to a liability. You're now on the hook for monitoring it.