%% You should probably cite draft-xu-sfc-hierarchical-orchestration instead of this I-D.
@techreport{xu-sfc-coordinated-forwarding-01,
    number =    {draft-xu-sfc-coordinated-forwarding-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-xu-sfc-coordinated-forwarding/01/},
    author =    {Qi Xu and Hua-chun Zhou and Taixin Li and Guanglei Li and Guanwen Li},
    title =     {{A Coordinated Forwarding Method for Hierarchical SFC}},
    pagetotal = 10,
    year =      2016,
    month =     oct,
    day =       20,
    abstract =  {Hierarchical SFC is a network architecture for implementing SFC the chain with an ordered set of service functions which could be deployed in multiple geographically dispersed networks. How to forward traffic between networks in Hierarchical SFC is what the draft wants to present. This document proposes a mapping-based forwarding method with coordinated orchestration by the translation of H-SFC and I-SFC to forward traffic between networks in Hierarchical SFC.},
}