How Can I Control the Source IP Address of ZeroMQ Messages When Using Multiple IPs?

Controlling ZeroMQ Source IP Address with Multiple IP Addresses

While Python's socket.create_connection() offers a source address option, ZeroMQ requires a different approach.

ZeroMQ Architecture Distinction

ZeroMQ differs significantly from standard sockets. It provides a framework for designing distributed systems by employing scalable formal communication patterns (archetypes). These archetypes include PUB/SUB, PUSH/PULL, and others.

Creating a ZeroMQ Socket

To create a ZeroMQ socket, first establish a Context object, which acts as an engine for managing communication. Then, instantiate an Access Point, which represents a potential connection point.

Binding to a Specific IP Address

To bind a ZeroMQ Access Point to a specific IP address, use the .bind() method. The following syntax specifies a fully qualified IP address:

aLocalCONTEXT.socket(zmq.SUB).bind("{ tcp | pgm | epgm }://<ip>:<port#>" )

By specifying the desired IP address in the fully qualified specification, you can control the source IP address of your ZeroMQ packet.

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