2. Reference Implementation Requirements

2.1. Introduction

This chapter will use the requirements defined in the Kubernetes Reference Architecture and only make additional entries in :ref:chapters/chapter02:Reference Architecture Specification if there are additional requirements needed for this Reference Implementation.

2.2. Definitions

The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in RFC2119.

2.3. Reference Architecture Specification

RA2 Section


RA2 Reference


Specification


Requirement for Basic
Profile

Requirement for
Network Intensive
Profile
RI2 Traceability


Kubernetes Node

ra2.ch.001

Huge pages

Must support

Must support

Installation on Bare Metal Infratructure

Kubernetes Node

ra2.ch.002

SR-IOV Capable NICs

Not required

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.003

SR-IOV Virtual Functions

Not required

Must support

Installation on Bare Metal Infratructure

Kubernetes Node

ra2.ch.004

CPU Simultaneous Multi-Threading (SMT)

True

True

Infrastructure Requirements

Kubernetes Node

ra2.ch.006

CPU Allocation Ratio - Pods

Must support

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.008

Physical CPU Quantity

Must support

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.009

Physical Storage

Should support

Should support

Infrastructure Requirements

Kubernetes Node

ra2.ch.010

Local Filesystem Storage Quantity

Must support

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.012

Kubernetes Node RAM Quantity

Must support

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.013

Physical NIC Quantity

Must support

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.014

Physical NIC Speed - Basic Profile

Must support

N/A

Infrastructure Requirements

Kubernetes Node

ra2.ch.015

Physical NIC Speed - Network Intensive Profile

N/A

Must support

Infrastructure Requirements

Kubernetes Node

ra2.ch.017

Immutable Infrastructure

Must support

Must support

Installation on Bare Metal Infratructure

Kubernetes

ra2.k8s.001

Kubernetes Conformance

Must support

Must support

Installation on Bare Metal Infratructure

Kubernetes

ra2.k8s.002

Highly available etcd

Must support

Must support

Installation on Bare Metal Infratructure

Kubernetes

ra2.k8s.005

Kubernetes API Version

Must support

Must support

Installation on Bare Metal Infratructure

Kubernetes

ra2.k8s.006

NUMA Support

Not required

Must support

Installation on Bare Metal Infratructure

Container Runtimes

ra2.crt.001

Conformance with OCI 1.0 runtime spec

Must support

Must support

Installation on Bare Metal Infratructure

Container Runtimes

ra2.crt.002

Kubernetes Container Runtime Interface (CRI)

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.001

Centralised network administration

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.002

Default Pod Network - CNI

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.003

Multiple connection points

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.004

Multiple connection points presentation

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.005

Multiplexer /meta-plugin

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.006

Multiplexer/meta-plugin CNI Conformance

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.007

Multiplexer/meta-plugin CNI Plugins

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.008

SR-IOV Device Plugin for Network Intensive

Not required

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.009

Multiple connection points with multiplexer/meta-plugin

Must support

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.010

User plane networking

Not required

Must support

Installation on Bare Metal Infratructure

Networking Solutions

ra2.ntw.012

Optional Device Plugins

Not required

Must support

Installation on Bare Metal Infratructure