Add figure_G.3b

@startuml

skinparam monochrome true

skinparam defaultFontName Arial

skinparam classFontSize 10

skinparam sequenceBoxBorderColor #black

participant "**SSP Host**\nFS Control 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**\nFS Control Application Gate" as hostb_fs_ctr

participant "**SSP Host**\nFS Data Service Gate" as hosta_fs_data

participant "**Other Host**\nFS Data Application Gate" as hostb_fs_data

autonumber

...**Notation:**  Gate Identifier : Pipe Session Open on [P<sub>IN</sub>,P<sub>OUT</sub>]...

hostb_adm->hosta_adm:EVT_ADM_BIND [**FS_CTR,P<sub>20</sub>**]

hosta_adm->hostb_adm:EVT_ADM_BIND [**FS_CTR,P<sub>10</sub>**]

note right : Pipe Session Open  on [P<sub>20</sub>,P<sub>10</sub>]

note left : Pipe Session Open on [P<sub>10</sub>,P<sub>20</sub>]

...

hostb_fs_ctr->hosta_fs_ctr: FS-OP-FILE-OPEN-Service-Command [**aNodeIdentity**, **aAccessMode = eWriteAccessMode**, **aDataPipeSession = TRUE** ] on P<sub>10</sub>

activate hosta_fs_ctr

activate hostb_fs_ctr

hosta_fs_ctr-->hostb_fs_ctr: eFS-OK [FS_ID<sub>0001</sub>,**aGateServID**] on P<sub>20</sub>

deactivate hostb_fs_ctr

deactivate hosta_fs_ctr

...

alt Successfull connection

hostb_adm->hosta_adm:EVT_ADM_BIND [**FS_DATA,P<sub>21</sub>**]

hosta_adm->hostb_adm:EVT_ADM_BIND [**FS_DATA,P<sub>11</sub>**]

note right of hostb_fs_data : FS_DATA: Pipe Session Open  on [P<sub>21</sub>,P<sub>11</sub>]

note left of hosta_fs_data: FS_DATA: Pipe Session Open on [P<sub>11</sub>,P<sub>21</sub>]

...

loop

hostb_fs_ctr->hosta_fs_ctr: FS-OP-FILE-WRITE-Service-Command [FS_ID<sub>0001</sub>, Parameters...] on P<sub>10</sub>

activate hosta_fs_ctr

activate hostb_fs_ctr

hosta_fs_ctr-->hostb_fs_ctr: eFS-OK [FS_ID<sub>0001</sub>] on P<sub>20</sub>

deactivate hostb_fs_ctr

deactivate hosta_fs_ctr

hostb_fs_data->hosta_fs_data: FS Datastream on P<sub>11</sub>

hostb_adm<-hosta_adm : EVT_ADM_RECEIVED

hosta_adm->hostb_adm : EVT_ADM_CREDIT

end

...

hostb_fs_ctr->hosta_fs_ctr: FS-OP-FILE-CLOSE-Service-Command[FS_ID<sub>0001</sub>] on P<sub>10</sub>

activate hosta_fs_ctr

activate hostb_fs_ctr

hosta_fs_ctr-->hostb_fs_ctr: eFS-OK on P<sub>20</sub>

deactivate hostb_fs_ctr

deactivate hosta_fs_ctr

...

hostb_adm->hosta_adm:EVT_ADM_UNBIND [**P<sub>21</sub>**,**P<sub>11</sub>**]

note right of hostb_fs_data : FS_DATA: Pipe Session closed  on [P<sub>21</sub>,P<sub>11</sub>]

note left of hosta_fs_data: FD_DATA: Pipe Session closed on [P<sub>11</sub>,P<sub>21</sub>]

else connection failure

end

@enduml