This study proposes an effective delay-aware packet forwarding (DAPF) for driving safety and efficiency in vehicular networks. Vehicular ad hoc networks have been an emerging technology for vehicular communication for the last few decades, but still, it has many challenging issues such as on-time dissemination of message at an emergency situation (e.g. accident and obstacle) to the vehicles having the same route to their destinations. This on-time dissemination can prevent further collision of vehicles and road traffic congestion. In this study, the authors propose an effective way of selecting the processing position of a message among a cluster head, road-side unit (RSU), and vehicular cloud, on the basis of total delivery time and cost. They further show that this effective selection and on-time dissemination helps the upcoming vehicles to select an appropriate route to their destinations. Through simulation results, it is shown that their DAPF outperforms other schemes in terms of packet delivery time.

中文翻译：

---

DAPF：可感知延迟的数据包转发，可提高车辆网络的安全性和效率

这项研究提出了一种有效的延迟感知数据包转发（DAPF），以提高车辆网络的安全性和效率。车辆自组织网络在过去的几十年中一直是一种用于车辆通信的新兴技术，但是它仍然存在许多具有挑战性的问题，例如在紧急情况下（如事故和障碍物）按时向具有相同车辆的车辆及时发送消息前往目的地。这种及时的传播可以防止车辆的进一步碰撞和道路交通拥堵。在这项研究中，作者提出了一种基于总传递时间和总成本在簇头，路侧单元（RSU）和车辆云之间选择消息处理位置的有效方法。他们进一步表明，这种有效的选择和准时分发有助于即将到来的车辆选择前往目的地的合适路线。通过仿真结果表明，它们的DAPF在数据包传递时间方面优于其他方案。