@techreport{tang-pce-stateful-pce-02,
    number =    {draft-tang-pce-stateful-pce-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-tang-pce-stateful-pce/02/},
    author =    {Kexin Tang and Xuping Cao and Xuerong Wang},
    title =     {{Stateful PCE}},
    pagetotal = 9,
    year =      2011,
    month =     oct,
    day =       31,
    abstract =  {A PCE can be either stateful or stateless. The information carried in a stateful PCE is more detailed than that of a stateless PCE. This draft focus on stateful PCE, describes the problems without stateful PCE, and gives the IGP and PCEP extensions to realize stateful PCE.},
}