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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/12228

Title: IPv4 address sharing mechanism classification and tradeoff analysis
Authors: Skoberne, Nejc
Maennel, Olaf
Phillips, Iain W.
Bush, Randy
Zorz, Jan
Ciglaric, Mojca
Keywords: Address family translation
Address plus port (A + P)
IPv4 address sharing
Carrier grade NAT (CGN)
IPv6 transition
Network address translation (NAT)
Issue Date: 2014
Publisher: © IEEE
Citation: SKOBERNE, N. ... et al., 2014. IPv4 address sharing mechanism classification and tradeoff analysis. IEEE/ACM Transactions on Networking, 22 (2), pp. 391-404.
Abstract: The growth of the Internet has made IPv4 addresses a scarce resource. Due to slow IPv6 deployment, IANA-level IPv4 address exhaustion was reached before the world could transition to an IPv6-only Internet. The continuing need for IPv4 reachability will only be supported by IPv4 address sharing. This paper reviews ISP-level address sharing mechanisms, which allow Internet service providers to connect multiple customers who share a single IPv4 address. Some mechanisms come with severe and unpredicted consequences, and all of them come with tradeoffs. We propose a novel classification, which we apply to existing mechanisms such as NAT444 and DS-Lite and proposals such as 4rd, MAP, etc. Our tradeoff analysis reveals insights into many problems including: abuse attribution, performance degradation, address and port usage efficiency, direct intercustomer communication, and availability.
Description: This article was accepted for publication in the journal, IEEE/ACM Transactions on Networking [© IEEE] and the definitive version will be available at: http://ieeexplore.ieee.org/
Version: Accepted for publication
DOI: 10.1109/TNET.2013.2256147
URI: https://dspace.lboro.ac.uk/2134/12228
Publisher Link: http://dx.doi.org/10.1109/TNET.2013.2256147
ISSN: 1063-6692
Appears in Collections:Published Articles (Computer Science)

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