### nyse_x2hub

```{eval-rst}
.. plantuml::

   @startuml
   skinparam rectangle {
     BackgroundColor #EEF2F7
     BorderColor #4B6A9B
     FontSize 14
   }
   skinparam packageStyle rectangle
   
   title x2hub Data Flow Architecture
   
   rectangle "Pillar" as Pillar
   rectangle "Book Builder" as BookBuilder
   rectangle "Surveillance" as Surveillance
   rectangle "S3 Storage" as S3
   
   package "x2hub" as X2Hub {
     rectangle "Kafka Gateway" as Kafka
     rectangle "S3 Gateway" as S3Gateway
     rectangle "NYSE Binary-to-ASCII Converter" as Converter
   }
   
   Pillar --> Kafka : 5M/20M Msgs/sec at 1000B Binary\n(1NVMe/4NVMe per server)
   Kafka --> BookBuilder : Subscribe (Binary)
   Kafka --> Converter : Convert for Surveillance
   Converter --> Surveillance : ASCII
   S3Gateway --> Converter : Convert for S3
   Converter --> S3 : ASCII (Compressed + TLS)
   
   @enduml