@startuml
skinparam monochrome true
skinparam defaultFontName Arial
skinparam classFontSize 10
skinparam sequenceBoxBorderColor #black
participant "**SSP Host**\nAccessor Authentication Service Gate" as hosta_fs_ctr
participant "**SSP Host**\nAdministration Gate" as hosta_adm
participant "**Other Host**\nAdministration Gate" as hostb_adm
participant "**Other Host**\nAccessor Authentication Application Gate" as hostb_fs_ctr
autonumber
...**Notation:** Gate Identifier : Pipe Session Open on [PIN,POUT]...
note right : Pipe Session Open on [P20,P10]
note left : Pipe Session Open on [P10,P20]
...
hostb_fs_ctr->hosta_fs_ctr: AAS-OP-AUTHENTICATE-ACCESSOR-Service-Command [Parameters...] on P10
activate hosta_fs_ctr
activate hostb_fs_ctr
hosta_fs_ctr-->hostb_fs_ctr: eAAS-OK on P20
deactivate hostb_fs_ctr
deactivate hosta_fs_ctr
alt Successful authentication
hostb_fs_ctr->hosta_fs_ctr: AAS-ADMIN-CREATE-ACCESSOR-Service-Command [Parameters...] on P10
activate hosta_fs_ctr
activate hostb_fs_ctr
hosta_fs_ctr-->hostb_fs_ctr: eAAS-OK on P20
deactivate hostb_fs_ctr
deactivate hosta_fs_ctr
...
end
@enduml