@techreport{oai:ipsj.ixsq.nii.ac.jp:02007425,
 author = {清水,俊皓 and 柏崎,礼生 and Toshihiro Shimizu and Hiroki Kashiwazaki},
 issue = {48},
 month = {Feb},
 note = {現在，柔軟な経路制御を可能とする技術としてSegment Routing over IPv6（SRv6）が注目されている．一方，Open Shortest Path First（OSPF）は，リンクコストに基づく自動経路選択を行う従来型のルーティングプロトコルである．本研究では，遅延やパケット損失が増大したネットワーク劣化環境を構築し，OSPFとSRv6の経路選択挙動および通信品質を比較・評価する．Mininetを用いて特定のリンクに劣化を付加し，OSPFでは劣化リンクを含む経路を通過する場合の挙動を観測する．一方，SRv6では明示的に経路を指定し，劣化リンクを通過させる場合と回避する場合の双方について通信品質を評価する．これにより，自動経路選択方式と明示的経路制御方式の特性について考察する．, Segment Routing over IPv6 (SRv6) has recently attracted significant attention as a technology that enables flexible path control in IP networks. In contrast, Open Shortest Path First (OSPF) is a conventional routing protocol that performs automatic path selection based on link costs. In this study, a network degradation environment with increased delay and packet loss is constructed, and the path selection behavior and communication quality of OSPF and SRv6 are comparatively evaluated. Using the Mininet emulator, degradation is applied to specific links, and the behavior of OSPF when traffic traverses paths including degraded links is observed. For SRv6, paths are explicitly specified, and communication quality is evaluated in both cases where traffic traverses degraded links and where such links are avoided. Through these evaluations, the characteristics of automatic path selection and explicit path control are discussed.},
 title = {リンク劣化環境におけるOSPFとSRv6の通信品質に関する比較評価},
 year = {2026}
}