From: Uncertainty-aware workflow migration among edge nodes based on blockchain

Terms | Descriptions |

E | The set of edge nodes, E={e_{1},e_{2},...,e_{N}} |

S | The set of mobile devices, S={s_{1},s_{2},...,s_{M}} |

T | The set of workflow tasks, T_{i}={t_{1},t_{2},...,t_{Q}} |

G | The graph model workflow operations |

D | The set of dependencies between tasks |

P(t_{i}) | The parent tasks of the ith task |

C(t_{i}) | The children tasks of the ith task |

ES(t_{i}) | The earliest start time of the ith task |

EF(t_{i}) | The earliest finish time of the ith task |

LF(t_{i}) | The latest finish time of the ith task |

DL(t_{i}) | The deadline of the ith task |

RT(t_{i}) | The real completion time of the ith task |

EC | The energy consumption of workflow scheduling |

SR | The success rate of workflow rescheduling |