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-rw-r--r-- | docs/development/requirements/requirements.rst | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/docs/development/requirements/requirements.rst b/docs/development/requirements/requirements.rst index abcffce..7e3e90d 100644 --- a/docs/development/requirements/requirements.rst +++ b/docs/development/requirements/requirements.rst @@ -225,7 +225,7 @@ Small Edge - 8 GB RAM (4 DIMM) - 1 * 240 GB SSD (2 * 2.5) -- Maximum hardware specs: 1 unit of +- Maximum hardware specs: 5 unit of - 16 cores - 64 GB RAM @@ -234,15 +234,20 @@ Small Edge - Power for a site: < 10 kW - Physical access of maintainer: Rare, maintenance staff may only show up in this kind of site when machines initialize for the first time or a machine - is down + is down. Maintenance staff is skilled in mechanical engineering and not in + IT. - Physical security: none (Optionally secure booting is needed) - Expected frequency of updates to hardware: 3-4 year refresh cycle - Expected frequency of updates to firmware: 6-12 months - Expected frequency of updates to control systems (e.g. OpenStack or Kubernetes controllers): ~ 12 - 24 months, has to be possible from remote management -- Physical size: Not all the sites will have 36 inch depth capability. Some sites - might be limited to 12 inch depth. +- Physical size: 482.6 mm (19 inch) witdth rack. Not all the sites will have + 1000 mm (36 inch) depth capability. Some sites might be limited to 600 mm + (12 inch) depth. +- Cooling: front cooling +- Access / cabling: front +- NEBS 3 compliant - Number of edge cloud instances: depends on demands (3000+) - Services might be deployed here: MEC, or other services which have strict requirements on latency. Services deployed in this kind of sites have huge @@ -255,6 +260,7 @@ Small Edge be used in small edge site if virtualization increases structure/network complexity, reduces service performance, or costs more resources. Bare-metal is common in small edge sites. Container would also be a future choice if virtualization was needed +- Smart NICs are supported - Storage: mainly local storage. Medium Edge @@ -265,7 +271,8 @@ Medium Edge - Minimum hardware specs: 2 Rack Unit (RU) - Maximum hardware specs: 20 Rack Unit - Power for a site: 10 - 20 10 kW -- Physical access of maintainer: Rare +- Physical access of maintainer: Rare. Maintenance staff is skilled in + mechanical engineering and not in IT. - Physical security: Medium, probably not in a secure data center, probably in a semi-physically secure environment; each device has some authentication (such as certificate) to verify it's a legitimate piece of hardware deployed @@ -276,6 +283,9 @@ Medium Edge - Expected frequency of updates to firmware: Never unless required to fix blocker/critical bug(s) - Expected frequency of updates to control systems (e.g. OpenStack or Kubernetes controllers): 12 - 24 months - Physical size: TBD +- Cooling: front cooling +- Access / cabling: front +- NEBS 3 compliant - Number of edge cloud instances: 3000+ - Services might be deployed here: MEC, RAN, CPE, etc. - Remote network connection reliability: 24/7 (high uptime but connectivity is @@ -285,23 +295,28 @@ Medium Edge - Degree of virtualization: depends on site conditions and service requirements. VM, container may form hybrid virtualization layer. Bare-metal is possible in middle sites +- Smart NICs are supported - Storage: local storage and distributed storage, which depends on site conditions and services’ needs Large Edge ========== -- Distance to base station: 100 x km (0.8<x<3) +- Distance to base station: 80 - 300 km - E2E delay: around 4 ms - Maximum bandwidth can provide: 200 GB/s - Minimum hardware specs: N/A - Maximum hardware specs: 100+ servers - Power for a site: 20 - 90 kW -- Physical access of maintainer: professional maintainer will monitor the site +- Physical access of maintainer: professional maintainer will monitor the site. + Maintenance staff is skilled in mechanical engineering and not in IT. - Physical security: High - Expected frequency of updates to hardware: 36 month - Expected frequency of updates to firmware: Never unless required to fix blocker/critical bug(s) - Expected frequency of updates to control systems (e.g. OpenStack or Kubernetes controllers): 12 - 24 months - Physical size: same as a normal DC +- Cooling: front cooling +- Access / cabling: front +- NEBS 3 compliant - Number of edge cloud instances: 600+ - Services might be deployed here: CDN, SAE-GW, UPF, CPE and etc., which have large bandwidth requirements and relatively low latency requirements @@ -311,6 +326,7 @@ Large Edge - Degree of virtualization: almost completely virtualized in the form of VMs (if take CDN into consideration, which may not be virtualized, the virtualization degree would decrease in sites with CDN deployment) +- Smart NICs are supported - Storage: distributed storage ============== |