It is standard, modular, and physically distributed, to adapt to large-scale infrastructures.

Petals ESB is based on JBI (JSR 208) industry specification.

It was the first ESB certified by Sun Microsystems under the JSR 208 TCK.

Fractal deployment framework,[2] JBI pluggable components, and open source licensing make it modular and customizable.

The originality of Petals is to implement a highly distributed topology.