Understanding IPv6 Flow-Based Processing

This chapter explains how SRX Series Services Gateway and J-series devices handle flow-based processing for IP version 6 (IPv6) packets. To facilitate understanding of IPv6 flow processing for these devices, this chapter gives an overview of IPv6, including its address space and addressing. It also introduces the architecture for the SRX5600 and SRX5800 devices and uses it as a model to explain IPv6 flow processing. Flow processing is similar on other devices.

A flow is a stream of related packets that meet the same matching criteria and share the same characteristics. JUNOS Software treats packets belonging to the same flow in the same manner.

This chapter includes the following topics: