@startuml

/'From GateToken in Session to Retrieve ERP Data'/

title "From GateToken in Session to Retrieve ERP Data"

participant Frontend_Server as frontend
participant Backend_Server as backend

database ERP_DB  as erp_db
database BuntDB as memory_db

autonumber

note over frontend #bafc03 
  GateToken in Session
end note

frontend->backend: request with GateToken in HTML header

backend->memory_db: get GateTokenBase by GateToken
memory_db->backend: get GateTokenBase by GateToken


backend->backend: extract GTBase into DBconn info
backend->erp_db: Access DB by DBconn info

erp_db-->backend: Get data from ERP_DB
backend-->frontend: return Result

note over backend #bafc03 
  DBconn info exists only in MemoryDB (volatile)
end note

@enduml