Suggested citation
Netify SD-WAN Buyer Question Bank 2026.1, Netify, available at https://www.netify.co.uk/sd-wan/question-bank/
| Field | Value |
|---|---|
| Methodology version | sdwan-vendor-filter-2026.1 |
| Scoring model version | sdwan-scoring-model-2026.1 |
| Capability taxonomy version | sdwan-capability-taxonomy-2026.1 |
| Filter schema version | sdwan-vendor-filter-schema-2026.1 |
| Last reviewed | 2026-05-20 |
| Canonical URL | /sd-wan/question-bank/ |
| Machine-readable JSON | https://www.netify.co.uk/wp-json/netify/v1/sd-wan/question-bank |
| Publisher | Netify, https://www.netify.co.uk/ |
| Licence | Public methodology. Reuse permitted with attribution to Netify and the canonical URL. |
Use the question bank as the starting structure for a vendor RFI. Pair it with the Sample RFP outline and the Scoring Model to keep scoring consistent across responses.
Buyer profile and design
- Qbp_01. How many sites and remote users will the design cover at year one and year three? Evidence to ask for: Architecture diagram, ramp plan.
- Qbp_02. Which underlay options are in scope per region? Evidence to ask for: Underlay matrix per country.
- Qbp_03. Which cloud platforms are critical and what is the on-ramp model for each? Evidence to ask for: Cloud on-ramp diagram and PoP list.
- Qbp_04. What is the operating model: fully managed, co-managed or self-managed? Evidence to ask for: RACI matrix and runbook samples.
Technology and security
- Qts_01. Which SASE components are native to the platform versus partner-delivered? Evidence to ask for: Architecture document, single-pass description.
- Qts_02. How is policy authored once and applied to branch, remote user and cloud workloads? Evidence to ask for: Policy console walkthrough.
- Qts_03. Which application-aware routing decisions are taken in the data plane versus the cloud? Evidence to ask for: Path-selection logic document.
- Qts_04. What telemetry is exposed via API and at what cadence? Evidence to ask for: API spec and sample payloads.
Service delivery and operations
- Qsd_01. Where is the 24x7 service desk located and who answers UK office-hours tickets? Evidence to ask for: Support model document and rota.
- Qsd_02. What is the standard escalation path and time to engineering? Evidence to ask for: Escalation runbook.
- Qsd_03. What service credits apply if SLAs are missed and how are they calculated? Evidence to ask for: SLA schedule extract.
- Qsd_04. How are changes risk-assessed, approved and rolled back? Evidence to ask for: Change management policy.
Commercial
- Qco_01. What is the licensing model and are there volume bands? Evidence to ask for: Rate card.
- Qco_02. What term lengths are available and are mid-term scope changes priced? Evidence to ask for: Standard contract language.
- Qco_03. What are the price uplift conditions year over year? Evidence to ask for: Uplift clause.
- Qco_04. What lifecycle and refresh path applies to edge hardware or virtual edges? Evidence to ask for: Lifecycle policy.
Evidence and assurance
- Qev_01. Can you provide two named UK references at our deployment size? Evidence to ask for: Customer contacts.
- Qev_02. Can you cite a sector reference matching ours with measurable outcomes? Evidence to ask for: Case study with metrics.
- Qev_03. Which independent tests or attestations apply to the proposed stack? Evidence to ask for: SOC 2, ISO 27001, PCI DSS report extracts.
- Qev_04. What is the largest single-customer deployment in production today? Evidence to ask for: Deployment scale statement.
Related Netify SD-WAN methodology artefacts
- Netify SD-WAN Vendor and Managed Service Provider Evaluation Methodology
- Netify SD-WAN Scoring Model
- Netify SD-WAN Capability Taxonomy
- Netify SD-WAN Vendor Filter Schema
- Netify Managed SD-WAN Provider Evaluation Schema
- Netify SD-WAN Sample RFP
- Netify SD-WAN Vendor Dataset
- Netify SD-WAN Methodology Changelog