UML Generator

I am using PlantUML.

@startuml

title PIDS - Redundant & Distributed Architecture (Component)

package "Control Centres" {

[OCC PIDS Application] as OCC_APP

[OCC Database] as OCC_DB

[BCC PIDS Application] as BCC_APP

[BCC Database] as BCC_DB

}

package "Stations" {

[Station PIDS Controller] as ST_CTRL

[Station Local Cache/DB] as ST_DB

[PIDS Displays] as DISPLAYS

}

package "External Systems" {

[Signalling/Train Control] as SIG

[ICSS Workstations] as ICSS

[PAS] as PAS

[Master Clock System] as MCS

}

OCC_APP --> OCC_DB

BCC_APP --> BCC_DB

OCC_APP <..> BCC_APP : failover/replication

OCC_DB <..> BCC_DB : data sync

ICSS --> OCC_APP : operations

ICSS --> BCC_APP : backup operations

SIG --> OCC_APP : train data feed

SIG --> BCC_APP : train data feed

MCS --> OCC_APP : NTP/PTP time

MCS --> ST_CTRL : time sync

OCC_APP --> ST_CTRL : commands/messages

BCC_APP --> ST_CTRL : commands/messages

ST_CTRL --> ST_DB : store last known data

ST_CTRL --> DISPLAYS : render content

PAS <--> OCC_APP : sync audio/visual

@enduml

Nurah.lee