What is host name buffer in SAP BC-CST - Client/Server Technology?

SAP Term: host name buffer

• Component: BC-CST

• Component Name: Client/Server Technology

• Description: An internal buffer containing the assignment of IP addresses to host names. This improves performance. When a host connects to the message server, the host name buffer is searched to see whether the connection already exists. The port number and service names are also assigned. The following components of an SAP system have a host name buffer: Message server Gateway Dispatcher Internet Commnunication Manager SAP Web Dispatcher

Smart SAP Assistant

• Key Concepts: 
  The host name buffer is a component of the SAP Client/Server Technology (BC-CST). It is a memory area that stores the host name of the server that the client is connected to. This allows the client to quickly access the server without having to re-enter the host name each time. 
  
  How to use it: 
  The host name buffer is used by the client to store the host name of the server it is connected to. This allows the client to quickly access the server without having to re-enter the host name each time. The host name buffer can be accessed by entering “hostname” in the command line. 
  
  Tips & Tricks: 
  It is important to keep the host name buffer up-to-date with the correct server information. If the host name buffer contains incorrect information, it can cause connection issues and slow down performance. 
  
  Related Information: 
  The host name buffer is part of SAP’s Client/Server Technology (BC-CST). It is related to other components such as the client/server communication layer, which handles communication between clients and servers, and the application layer, which handles application logic and data processing.