[{ "simplemodule": { "name": "simple" }},
{ "module": {
    "name": "alltoall",
    "submodules": [ { "name": "node",
                      "module": "simple",
                      "size": "10" }],
    "connections": [{ "all-match": "node" }] }},
{ "network": { "module": "alltoall" }}]
