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IEICE TRANSACTIONS on Communications

Route Advertisement Policies and Inbound Traffic Engineering for Border Gateway Protocol with Provider Aggregatable Addressing

Abu Hena Al MUKTADIR, Kenji FUJIKAWA, Hiroaki HARAI, Lixin GAO

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Summary :

This paper proposes route advertisement policies (RAP) and an inbound traffic engineering (ITE) technique for a multihomed autonomous system (AS) employing the Border Gateway Protocol (BGP) and provider aggregatable (PA) addressing. The proposed RAP avail the advantage of address aggregation benefit of PA addressing. If multiple address spaces are allocated to each of the ASes that are multihomed to multiple upstream ASes, reduction of the forwarding information base (FIB) and quick convergence are achieved. However, multihoming based on PA addressing raises two issues. First, more specific address information is hidden due to address aggregation. Second, multiple allocated address spaces per AS does not provide the capability of ITE. To cope with these two limitations, we propose i) RAP to ensure connectivity among ASes with fewer routes installed in the FIB of each top-tier AS, and ii) an ITE technique to control inbound routes into multihomed ASes. Our ITE technique does not increase the RIB and FIB sizes in the Internet core. We implement the proposed RAP in an emulation environment with BGP using the Quagga software suite and our developed Hierarchical Automatic Number Allocation (HANA) protocols. We use HANA as a tool to automatically allocate hierarchical PA addresses to ASes. We confirm that with our proposed policies the FIB and RIB (routing information base) sizes in tier-1 ASes do not change with the increase of tier-3 ASes, and the number of BGP update messages exchanged is reduced by up to 69.9% from that achieved with conventional BGP RAP. We also confirmed that our proposed ITE technique, based on selective prefix advertisement, can indeed control inbound traffic into a multihomed AS employing PA addressing.

Publication
IEICE TRANSACTIONS on Communications Vol.E101-B No.6 pp.1411-1426
Publication Date
2018/06/01
Publicized
2017/12/01
Online ISSN
1745-1345
DOI
10.1587/transcom.2017EBP3213
Type of Manuscript
PAPER
Category
Internet

Authors

Abu Hena Al MUKTADIR
  National Institute of Information and Communications Technology (NICT)
Kenji FUJIKAWA
  National Institute of Information and Communications Technology (NICT)
Hiroaki HARAI
  National Institute of Information and Communications Technology (NICT)
Lixin GAO
  University of Massachusetts

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