China Mobile China Telecom China Unicom New H3C Technologies China Mobile Broadcom CentecNetworks Ruijie Networks Co., Ltd. A Network Resource Partition (NRP) is a subset of the network resources and associated policies on each of a connected set of links in the underlay network. An NRP could be used as the underlay to support one or a group of enhanced VPN services. For packet forwarding in a specific NRP, some fields in the data packet are used to identify the NRP the packet belongs to, so that NRP-specific processing can be performed on each node along a path in the NRP. This document describes a novel method to encode NRP-ID in the outer IPv6 header of an SRv6 domain, which could be used to identify the NRP-specific processing to be performed on the packets by each network node along a network path in the NRP.