Nokia 7750 SR vs Cisco ASR 9000 / NCS 5500
ENTERPRISE ROUTING EVALUATION REPORT
Nokia 7750 SR vs Cisco ASR 9000 / NCS 5500
Domain: Core Routing | Backbone | Internet Peering
Network Architecture Visual Reference
[INSERT: Backbone topology diagram – Tier-1 ISP core with peering + MPLS core + 400G transport layers]
[INSERT: Nokia 7750 SR chassis rack deployment image]
[INSERT: Cisco ASR 9000 / NCS 5500 deployment image]
Executive Summary
The Nokia 7750 SR is positioned as a deterministic, carrier-scale service routing platform optimized for high-performance IP/MPLS and SR-MPLS/SRv6 cores. Cisco ASR 9000 and NCS 5500 represent a modular IOS XR ecosystem optimized for service richness, enterprise interoperability, and multi-domain integration.
Architecture Comparison
| Category | Nokia 7750 SR | Cisco ASR 9000 / NCS 5500 |
|---|---|---|
| Forwarding Architecture | FP-based deterministic hardware forwarding | IOS XR distributed forwarding architecture |
| Target Environment | Tier-1 ISP core, IX peering, backbone routing | Enterprise + service provider converged core |
| Scaling Model | Chassis scale to multi-terabit throughput | Modular scaling via line cards and fabric modules |
| Primary Strength | Deterministic performance at extreme scale | Service integration and ecosystem breadth |
Performance and Transport Capability
- Supports 100G / 400G / 800G Ethernet interfaces
- Optimized for MPLS, Segment Routing (SR-MPLS, SRv6)
- Designed for internet backbone traffic engineering
- High-density peering and IX interconnect scaling
Typical Deployment Scenarios
| Use Case | Deployment Role |
|---|---|
| Internet Backbone | Core routing between national and international backbone nodes |
| Internet Exchange (IX) | High-density peering aggregation and traffic exchange |
| Tier-1 ISP Core | MPLS / SR-MPLS backbone transport |
| Cloud Interconnect | Carrier-scale data center interconnect (DCI) |
Engineering Decision Matrix
| Criteria | Nokia 7750 SR | Cisco ASR/NCS |
|---|---|---|
| Core Scale Performance | 9.5 / 10 | 8.8 / 10 |
| Service Ecosystem | 8.5 / 10 | 9.5 / 10 |
| Operational Simplicity | 9 / 10 | 8 / 10 |
| Multi-domain Integration | 8.5 / 10 | 9.5 / 10 |
Datasheet References
Nokia 7750 SR Official Datasheet
https://www.nokia.com/ip-networks/7750-service-router/
Cisco ASR 9000 Series Documentation
https://www.cisco.com/c/en/us/products/routers/asr-9000-series-aggregation-services-routers/
Cisco NCS 5500 Series
https://www.cisco.com/c/en/us/products/routers/network-convergence-system-5500-series/
Sunol Tech | Enterprise Network Infrastructure Evaluation Division
