Synchronization/Timing in K8s+Linux platforms

[taylor]

What are the requirements for timing? What are the qualifications for real-time?

What is available in K8s? What is available on default linux host systems?

Ref:

• https://github.com/cncf/cnf-wg/pull/168
  • UC-0001: Synchronization/Timing in Telco CNF world
  • UC-0002: Support of Multi-Communication Interface in Telco CNF world

[taylor]

Ubuntu on real-time kernels for NFV (2018) - https://ubuntu.com/blog/low-latency-real-time-kernels-telco-nfv

[taylor]

K3os did have real-time kernel support in the past. Not sure now. https://github.com/rancher/k3os

[taylor]

OpenNESS (Open Network Edge Services Software) has real-time and low latency focus:

• https://www.openness.org/docs/doc/building-blocks/enhanced-platform-awareness/openness-node-feature-discovery
• OpenNESS: Enabling High Performance Edge for Telco & Enterprise (PDF - 11/2020)

[taylor]

OpenShift Operator - Performance Addon Operator for low latency nodes

• https://docs.openshift.com/container-platform/4.6/scalability_and_performance/cnf-performance-addon-operator-for-low-latency-nodes.html

[tliron]

Also see ACM: https://www.redhat.com/en/technologies/management/advanced-cluster-management

[taylor]

@fkautz: what are the ORAN people doing?

cc: @tliron