Resilient Packet Ring (RPR) is a new solution method to metropolitan area network (MAN). IEEE802.17 Working Group is developing the RPR standard as a MAC .

• 弹性分组环(Resilient Packet Ring，RPR)是近年来出现的一种城域骨干网技术，IEEE802.；17工作组正在进行弹性分组环的标准化工作。