SD-WAN vs Traditional MPLS — Enterprise WAN Comparison
Software-Defined WAN (SD-WAN) replaces or augments traditional MPLS circuits with intelligent multi-path routing over commodity internet. The right choice depends on application sensitivity, cost ceiling, and existing carrier contracts.
Quick Verdict
SD-WAN for cost-sensitive multi-site deployments wanting cloud-direct connectivity. Traditional MPLS for guaranteed-SLA, low-jitter critical applications (real-time trading, voice/video).
Side-by-Side Spec Comparison
| Spec | SD-WAN | Traditional MPLS |
|---|---|---|
| Cost | Low (commodity broadband) | High (dedicated MPLS) |
| Bandwidth | Easy to scale (broadband) | Fixed per circuit |
| SLA | Best-effort (depends on ISP) | Guaranteed |
| Latency Consistency | Variable | Predictable |
| Cloud Direct Connect | Yes (AWS, Azure, GCP direct) | Through carrier only |
| Security | Built-in encryption + ZTNA | Private circuit (no public exposure) |
| Multi-Path Failover | Yes (auto) | Limited (per-circuit) |
Green-highlighted cells indicate the winner for that spec.
Frequently Asked Questions
Will SD-WAN replace MPLS?
For most enterprises — yes, gradually. Many shops are running hybrid: SD-WAN for general data + MPLS for critical applications (voice, real-time apps). Pure SD-WAN works for non-critical workloads.
What SD-WAN vendors are best?
Cisco Meraki (cloud-managed, SMB-friendly), VeloCloud / VMware SD-WAN (enterprise), Aruba EdgeConnect (HPE), Fortinet Secure SD-WAN, Palo Alto Prisma SD-WAN.
Our Recommendation
SD-WAN for branch / SMB connectivity, cloud-direct workloads. MPLS or hybrid SD-WAN+MPLS for SLA-critical applications.
Need help deciding?
Email sales@prodisknetwork.com with your specific requirements. Our team will match you to the right product based on your workload, budget, and existing infrastructure.