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The relation between MTU (Maximum Transmission Unit) and SDU (Session Data Unit) (Doc ID 274483.1)

Last updated on JANUARY 17, 2025

Applies to:

Oracle Net Services - Version 8.1.7.4 and later
Oracle Database - Enterprise Edition - Version 8.0.3.0 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Gen 2 Exadata Cloud at Customer - Version N/A and later
Information in this document applies to any platform.
Applications using OracleNet, applications requiring performance tuning with respect to OracleNet.

Goal

Aim of this Article

  • To explain what is the relation between MTU, SDU
  • Explain how applications are affected by the above parameters.
  • To build upon and concisely explain some important points of the following Notes:
  1. <Document 67983.1> Oracle Net Performance Tuning
  2. <Document 44694.1> SQL*Net Packet Sizes (SDU & TDU Parameters)

Solution

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In this Document
Goal
 Aim of this Article
Solution
References

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