Scipediacontent: Scipediacontent moved page Draft Content 968941543 to Ventre et al 2015a

2021-02-01T22:43:27Z

Scipediacontent moved page Draft Content 968941543 to Ventre et al 2015a

Scipediacontent: Created page with " == Abstract == The current specification of the Segment Routing (SR) architecture requires enhancements to the intra-domain routing protocols (e.g. OSPF and IS-IS) so that t..."

2021-02-01T22:43:21Z

Created page with " == Abstract == The current specification of the Segment Routing (SR) architecture requires enhancements to the intra-domain routing protocols (e.g. OSPF and IS-IS) so that t..."

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== Abstract ==

The current specification of the Segment Routing (SR) architecture requires enhancements to the intra-domain routing protocols (e.g. OSPF and IS-IS) so that the nodes can advertise the Segment Identifiers (SIDs). We propose a simpler solution called PMSR (Poor Man's Segment Routing), that does not require any enhancement to routing protocol. We compare the procedures of PMSR with traditional SR, showing that PMSR can reduce the operation and management complexity. We analyze the set of use cases in the current SR drafts and we claim that PMSR can support the large majority of them. Thanks to the drastic simplification of the Control Plane, we have been able to develop an Open Source prototype of PMSR. In the second part of the paper, we consider a Traffic Engineering use case, starting from a traditional flow assignment optimization problem which allocates hop-by-hop paths to flows. We propose a SR path assignment algorithm and prove that it is optimal with respect to the number of segments allocated to a flow.

Comment: September 2015 - Paper accepted to the Mini-conference track of NOMS 2016

== Original document ==

The different versions of the original document can be found in:

* [http://arxiv.org/abs/1512.05281 http://arxiv.org/abs/1512.05281]

* [http://arxiv.org/pdf/1512.05281 http://arxiv.org/pdf/1512.05281]

* [http://xplorestaging.ieee.org/ielx7/7499631/7502779/07502864.pdf?arnumber=7502864 http://xplorestaging.ieee.org/ielx7/7499631/7502779/07502864.pdf?arnumber=7502864],
: [http://dx.doi.org/10.1109/noms.2016.7502864 http://dx.doi.org/10.1109/noms.2016.7502864]

* [https://dblp.uni-trier.de/db/journals/corr/corr1512.html#SalsanoVDVS15 https://dblp.uni-trier.de/db/journals/corr/corr1512.html#SalsanoVDVS15],
: [http://netgroup.uniroma2.it/Stefano_Salsano/papers/salsano-seg-routing-noms-2016.pdf http://netgroup.uniroma2.it/Stefano_Salsano/papers/salsano-seg-routing-noms-2016.pdf],
: [https://ieeexplore.ieee.org/document/7502864 https://ieeexplore.ieee.org/document/7502864],
: [https://ui.adsabs.harvard.edu/abs/2015arXiv151205281S/abstract https://ui.adsabs.harvard.edu/abs/2015arXiv151205281S/abstract],
: [http://ieeexplore.ieee.org/document/7502864 http://ieeexplore.ieee.org/document/7502864],
: [https://dx.doi.org/10.1109/NOMS.2016.7502864 https://dx.doi.org/10.1109/NOMS.2016.7502864],
: [https://doi.org/10.1109/NOMS.2016.7502864 https://doi.org/10.1109/NOMS.2016.7502864],
: [https://academic.microsoft.com/#/detail/2205234571 https://academic.microsoft.com/#/detail/2205234571]

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Ventre et al 2015a - Revision history

Scipediacontent: Scipediacontent moved page Draft Content 968941543 to Ventre et al 2015a

Scipediacontent: Created page with " == Abstract == The current specification of the Segment Routing (SR) architecture requires enhancements to the intra-domain routing protocols (e.g. OSPF and IS-IS) so that t..."