Modern C++ Old Dog, New Tricks Todd L. Montgomery @toddlmontgomery - PowerPoint PPT Presentation

Architecture Client Media Driver Media Driver Client Publisher Subscriber Receiver Sender Media Admin Events Conductor Conductor Conductor Conductor Events Admin Receiver Sender Subscriber Publisher IPC Log Buffer Media (UDP, InfiniBand, PCI-e 3.0) Function/Method Call Volatile Fields & Queues IPC Ring/Broadcast Buffer

Data Structures (Shared Memory) • IPC Ring Buffers • IPC Broadcast Buffers • IPC Log Buffers

What Aeron does Creates a 
 replicated persistent log 
 of messages

Log Buffer File Term 0 Atomic & Ordered Operations Term 1 Term 2 Log Meta Data

Position

Unique identification of a byte within each stream

Publishers, Senders, 
 Receivers, and Subscribers 
 all keep position counters

Position counters are the key to 
 flow control and monitoring