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| Characteristics | Other Terms | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Generic CNTT Term? | Compute | Storage | Networking | RTT* | Security | Scalability | Elasticity | Resiliency | Preferred Workload Architecture | OpenStack | OPNFV Edge | Edge Glossary | |
Regional Data Center (DC) Fixed | 1000's Standardised >1 CPU >20 cores/CPU | 10's EB Standardised HDD and NVMe Permanence | >100 Gbps Standardised | ~100 ms | Highly Secure | Horizontal and unlimited scaling | Rapid spin up and down | Infrastructure architected for resiliency Redundancy for FT and HA | Microservices based Stateless Hosted on Containers | Central Data Center | |||
Metro Data Centers Fixed | 10's to 100's Standardised >1 CPU >20 cores/CPU | 100's PB Standardised NVMe on PCIe Permanence | > 100 Gbps Standardised | ~10 ms | Highly Secure | Horizontal but limited scaling | Rapid spin up and down | Infrastructure architected for some level of resiliency Redundancy for limited FT and HA | Microservices based Stateless Hosted on Containers | Edge Site | Large Edge | Aggregation Edge | |
Edge Fixed / Mobile | 10's Some Variability >=1 CPU >10 cores/CPU | 100 TB Standardised NVMe on PCIe Permanence / Ephemeral | 50 Gbps Standardised | ~5 ms | Low Level of Trust | Horizontal but highly constrained scaling, if any | Rapid spin up (when possible) and down | Applications designed for resiliency against infra failures No or highly limited redundancy | Microservices based Stateless Hosted on Containers | Far Edge Site | Medium Edge | Access Edge / Aggregation Edge | |
Mini-/Micro-Edge Mobile / Fixed | 1's High Variability Harsh Environments 1 CPU >2 cores/CPU | 10's GB NVMe Ephemeral Caching | 10 Gbps Connectivity not Guaranteed | <2 ms Located in network proximity of EUD/IOTIoT | Untrusted | Limited Vertical Scaling (resizing) | Constrained | Applications designed for resiliency against infra failures No or highly limited redundancy | Microservices based or monolithic Stateless or Stateful Hosted on Containers or VMs Subject to QoS, adaptive to resource availability, viz. reduce resource consumption as they saturate | Fog Computing | Small Edge | Access Edge | |
*RTT: Round Trip Times
EUD: End User Devices
IoT: Internet of Things