Learning to extract geographic information from internet router hostnames
Learning to extract geographic information from internet router hostnames
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学习从互联网路由器主机名中提取地理信息
DOI:
10.1145/3485983.3494869
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Claffy, K
中科院分区:
文献类型:
--
作者:
Luckie, Matthew;Huffaker, Bradley;Marder, Alexander;Bischof, Zachary;Fletcher, Marianne;Claffy, K
Geolocating Internet routers is a long-standing and notoriously difficult challenge, and current solutions lack the accuracy and adaptability to yield reliable results. We revisit this problem, designing a solution capable of accurately and comprehensively extracting geographic information that network operators embed into router interface hostnames. We train our system using dictionaries that map geographic codes to known locations, and constrain inferences with delay measurements conducted from a distributed set of vantage points. While most operators use known geographic codes, some devise their own mnemonic codes for locations, which our system also extracts and interprets.We evaluate our system on Internet-wide topology datasets, automatically learning regular expressions (regexes) for 1023 different domain suffixes with IPv4 routers, and 241 different domain suffixes with IPv6 routers. We received ground truth from operators of 13 domain suffixes, all of whom confirmed the correctness of our learned regexes, and that our system correctly interpreted 78.6% of the custom geographic codes. For these 13 suffixes, our solution more accurately extracts and interprets geographic information than the previous state-of-the-art, correctly geolocating 94.0% of router hostnames with a geohint compared to DRoP (56.6%) and HLOC (73.1%). This work advances the ability of researchers and network operators to characterize the location of critical Internet infrastructure, a foundational building block of network performance, security, and resilience analysis. We release the source code of our system and our inferred regexes.
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DOI:
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发表时间:
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期刊:
ACM Trans. Spatial Algorithms Syst.
影响因子:
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作者:
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DOI:
10.1145/3355369.3355589
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期刊:
Proceedings of the Internet Measurement Conference
影响因子:
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作者:
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通讯作者:
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