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| 講演名 | 2026-10-07 15:15 A DNS-Based Latency-Aware Internet Server Ranking System for Local End Users ○Jiaxuan Hu（HU）・Yong Jin（Science Tokyo）・Satoru Sunahara・Katsuyoshi Iida（HU）  NS2026-84 |
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| 抄録 | （和） | DNS is a fundamental Internet service that maps domain names to server addresses and often returns multiple can- didate IP addresses to support content distribution, load balancing, and service availability [1]. Due to differences in network distance, routing conditions, and server load, accessing these addresses may result in significantly different performance [2]. However, standard DNS resolution does not guarantee that the returned addresses are reachable or ordered according to their actual latency [3]. Existing DNS-based server-selection mechanisms commonly use a client’s local DNS resolver as a proxy for the client [4]. Such proxy-based selection may be inaccurate when the client and resolver are not topologically close, and it does not directly measure the reachability and access latency of candidate addresses from the target local network. To address this issue, we propose a DNS-based latency-aware server ranking system for local networks, consisting of a traffic-driven online ranking optimizer and a DNSSEC-transparent forwarder, as shown in Fig. 1. The optimizer captures and analyzes local traffic to identify service usage patterns and prioritize multi-IP FQDNs (Fully Qualified Domain Names), then actively mea- sures candidate addresses and updates their rankings using time-windowed reachability and latency statistics. The forwarder, deployed at the local full-service resolver, relays DNS queries and responses, reorders the returned addresses according to the optimized ranking, and preserves DNSSEC validation. Experimental results demonstrate that the proposed system improves server selection for local users while preserving DNSSEC and maintaining efficient DNS resolution |
| （英） | DNS is a fundamental Internet service that maps domain names to server addresses and often returns multiple can- didate IP addresses to support content distribution, load balancing, and service availability [1]. Due to differences in network distance, routing conditions, and server load, accessing these addresses may result in significantly different performance [2]. However, standard DNS resolution does not guarantee that the returned addresses are reachable or ordered according to their actual latency [3]. Existing DNS-based server-selection mechanisms commonly use a client’s local DNS resolver as a proxy for the client [4]. Such proxy-based selection may be inaccurate when the client and resolver are not topologically close, and it does not directly measure the reachability and access latency of candidate addresses from the target local network. To address this issue, we propose a DNS-based latency-aware server ranking system for local networks, consisting of a traffic-driven online ranking optimizer and a DNSSEC-transparent forwarder, as shown in Fig. 1. The optimizer captures and analyzes local traffic to identify service usage patterns and prioritize multi-IP FQDNs (Fully Qualified Domain Names), then actively mea- sures candidate addresses and updates their rankings using time-windowed reachability and latency statistics. The forwarder, deployed at the local full-service resolver, relays DNS queries and responses, reorders the returned addresses according to the optimized ranking, and preserves DNSSEC validation. Experimental results demonstrate that the proposed system improves server selection for local users while preserving DNSSEC and maintaining efficient DNS resolution |
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| キーワード | （和） | DNS server selection / network latency / DNSSEC / active measurement / / / / |
| （英） | DNS server selection / network latency / DNSSEC / active measurement / / / / | |
| 文献情報 | 信学技報, vol. 126, no. 183, NS2026-84, pp. 7-7, 2026年10月. | |
| 資料番号 | NS2026-84 | |
| 発行日 | 2026-09-30 (NS) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | NS2026-84 |
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| 研究会情報 | |
| 研究会 | NS |
| 開催期間 | 2026-10-07 - 2026-10-09 |
| 開催地（和） | 北海道大学 + オンライン開催 |
| 開催地（英） | Hokkaido University + Online |
| テーマ（和） | ネットワークアーキテクチャ(オーバレイ、P2P、ユビキタスNW、スケールフリーNW、アクティブNW、NGN・新世代NW、IoT、エッジコンピューティング)、次世代パケットトランスポート(高速Ethernet、IP over WDM、マルチサービスパケット技術、MPLS)、グリッド、一般 |
| テーマ（英） | Network architecture (5G, Local 5G, Beyond5G, Mobile networks, Ad-hoc and sensor networks, Overlay and P2P networks, Programmable networks, SDN/NFV, IoT, Network slicing), Next generation packet transport (High speed Ethernet, IP over WDM, Multi-service package technology, MPLS), Grid, etc. |
| 講演論文情報の詳細 | |
| 申込み研究会 | NS |
| 会議コード | 2026-10-NS |
| 本文の言語 | 英語 |
| タイトル（和） | |
| サブタイトル（和） | |
| タイトル（英） | A DNS-Based Latency-Aware Internet Server Ranking System for Local End Users |
| サブタイトル（英） | |
| キーワード(1)（和/英） | DNS server selection / DNS server selection |
| キーワード(2)（和/英） | network latency / network latency |
| キーワード(3)（和/英） | DNSSEC / DNSSEC |
| キーワード(4)（和/英） | active measurement / active measurement |
| キーワード(5)（和/英） | / |
| キーワード(6)（和/英） | / |
| キーワード(7)（和/英） | / |
| キーワード(8)（和/英） | / |
| 第1著者 氏名（和/英/ヨミ） | 忽 嘉旋 / Jiaxuan Hu / |
| 第1著者 所属（和/英） | 北海道大学 (略称： 北大) Hokkaido University (略称： HU) |
| 第2著者 氏名（和/英/ヨミ） | 金 勇 / Yong Jin / |
| 第2著者 所属（和/英） | 東京科学大学 (略称： 科学大) Institute of Science, Tokyo (略称： Science Tokyo) |
| 第3著者 氏名（和/英/ヨミ） | 砂原 悟 / Satoru Sunahara / |
| 第3著者 所属（和/英） | 北海道大学 (略称： 北大) Hokkaido University (略称： HU) |
| 第4著者 氏名（和/英/ヨミ） | 飯田 勝吉 / Katsuyoshi Iida / |
| 第4著者 所属（和/英） | 北海道大学 (略称： 北大) Hokkaido University (略称： HU) |
| 講演者 | 第1著者 |
| 発表日時 | 2026-10-07 15:15:00 |
| 発表時間 | 25分 |
| 申込先研究会 | NS |
| 資料番号 | NS2026-84 |
| 巻番号（vol） | vol.126 |
| 号番号（no） | no.183 |
| ページ範囲 | p.7 |
| ページ数 | 1 |
| 発行日 | 2026-09-30 (NS) |
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