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The Internet Protocol version 6 is expected to be a strong enabler for the smart grid, promising seamless communication and network technology independence. However, IP has to be delivered to the last node in the field in order to become the lingua franca of the future smart grid. This article presents a novel approach in power line communication that delivers high resilient communication capable of efficiently transmitting IPv6. Based on the requirements of smart grid applications, the architecture of the communication system developed in the DLC+VIT4IP project is presented. New techniques for integrating IPv6, IPsec security, robust header compression, and end-to-end QoS are described, demonstrating the capability of PLC to efficiently handle IPv6 in the field level of the smart grid.