Impact Analysis

This document describes the impact of various changes to the system. The impact is described for configuration changes and manual container restarts and is split into the following categories:

  • Impact on SCION Data Traffic

  • Impact on SCION Control Plane Traffic

  • Impact on IP-in-SCION Tunneling Traffic

Configuration Changes

Config Section

Config Change

SCION Traffic

Control Plane Traffic

IP-in-SCION Tunneling Traffic

BGP (config.bgp)

Any

No

No

Potentially Interrupted

Cluster (config.cluster)

Any

Potentially Interrupted

Potentially Interrupted

Potentially Interrupted

Interfaces (config.interfaces)

Modification of physical interface

Interrupted

Interrupted

Interrupted

Any other interface change

No

No

No

Management (config.management)

Any

No

No

No

NAT (config.nat)

Any

No

No

Interrupted

SCION (config.scion)

Any

No

Potentially Interrupted

No

SCION Tunneling (config.scion_tunneling)

Any

No

No

Potentially Interrupted

System (config.system)

DNS, NTP

No

No

No

VPP, Kernel

Interrupted

Interrupted

Interrupted

Container Restarts

Container

SCION Traffic

Control Plane Traffic

IP-in-SCION Tunneling Traffic

Dataplane

Interrupted

Interrupted

Interrupted

Dataplane-control

No

No

No

Router

No

No

No

Dispatcher

No

Interrupted

Interrupted

Control

No

Interrupted

No

Daemon

No

No

No

Gateway

No

No

Interrupted

FRR

No

No

Interrupted

Appliance-controller

No

No

No

Appliance-cron

No

No

No