The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: Reg policy base routing in MPLS
Is there any internet draft specifying what routing constrains are available and how does these constrains effect the shortest path computation? Thanks Jian ----- Original Message ----- From: "Nuno Silva" <NunoS@ptinovacao.pt> To: "Pradeep Shastry" <pshastry@india.mantranet.com>; <mpls-ops@mplsrc.com> Sent: Friday, November 24, 2000 7:39 AM Subject: RE: Reg policy base routing in MPLS > Hi, > > My understanding is that Constraint Based Routing (CBR) may be performed > either online by an LSR (through the control plane), or offline (through the > mgmt plane).The outcome of the Constraint Based Routing is the computation > and selection of the shortest e2e path fulffiling all the QoS/Routing/Policy > constraints. Then it's up to CR-LDP to signal the e2e path. > > So if CBR is done through the control plane, you must always "tell" the LSR > MIB what the routing constraints are, before the Constrained Shortest Path > First algorithm runs. > On the other hand if CBR is done through the management plane, you have to > "tell" the head-end LSR which path was selected, so the CR-LDP can establish > the e2e path. > > In order to do this the LSR MIBs must support these features. > > Ciao. Nuno. > > Nuno Carvalho Silva > PT Inovação, SGR > > Phone: + 351 234 403 394 > Fax: + 351 234 424 160 > E-mail: nunos@ptinovacao.pt > > > -----Original Message----- > > From: Pradeep Shastry [SMTP:pshastry@india.mantranet.com] > > Sent: Friday, November 24, 2000 7:23 AM > > To: mpls-ops@mplsrc.com > > Subject: Reg policy base routing in MPLS > > > > Hi, > > > > I am Pradeep Shastry, I am working on MPLS. > > I have a question, > > > > How does MPLS will takes care of Policy Base Routing before assiging > > labels > > at the edge? > > > > Thanks and Regards > > -Pradeep Shastry > > > > ------- > > The MPLS-OPS Mailing List > > Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml > > Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > > ------- > The MPLS-OPS Mailing List > Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml > Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > ------- The MPLS-OPS Mailing List Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml Archive: http://www.mplsrc.com/mpls-ops_archive.shtml
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