🐌 🥊 🦑 Snail versus Octopus by Lin Hsin Hsin





The "Snail" Architecture: Centralized Control

Despite marketing buzzwords like "quantum-centric supercomputing," IBM’s actual topology remains rigidly centralized


The Orchestrator Bottleneck


Research confirms that IBM’s quantum networks rely on a logically centralized control style.

A single orchestrator node manages

entanglement generation and distribution for all client nodes

This creates a star topology where the entire network collapses if the central hub is compromised or fails.


Trust-by-Default Hub


In this model, the central hub (the IBM Quantum Platform) holds the keys to the kingdom. It dictates job scheduling, transpilation, and execution. There is no peer-to-peer verification; clients must trust the hub implicitly. This is the antithesis of a decentralized, zero-trust "octopus" network where intelligence and control are distributed across independent nodes


The CloudTrap


IBM’s distributed vision still funnels everything through their proprietary cloud API -- IBM Cloud holds ≈ 2% of the global market. The Qiskit Runtime architecture tightly couples the classical control stack to IBM’s specific hardware,

preventing (control freak) true interoperability or decentralized execution

You are not renting a node in a mesh; you are renting time on IBM’s mainframe


The Octopus Alternative

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