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How can an ISP merge with a CDN?
Kideok Cho,Hakyung Jung,Munyoung Lee,Diko Ko,Kwon, Ted Taekyoung,Yanghee Choi IEEE 2011 IEEE communications magazine Vol.49 No.10
<P>As delivering contents has become the dominant usage of the Internet, efficient content distribution is one of the hottest research areas in the network community. In future networks, it is anticipated that network entities such as routers will be equipped with in-network storage due to the trend of ever decreasing storage cost. In this article, we propose a novel content delivery architecture called ISP-centric content delivery (iCODE) by which an ISP can provide content delivery services as well. iCODE can provide efficient content delivery services since an ISP can cache contents in routers with storage modules considering traffic engineering and the locality of the content requests. Compared to CDN and P2P systems, iCODE can offer reduced delivery latency by placing the contents closer to end hosts, and incentives to ISPs by reducing inter- ISP traffic and allowing traffic engineering. We also discuss the technical and business issues to realize the iCODE architecture.</P>
Seo Hyoseob,Kwon Hakyung,Satyawan Dani,Kim Moon Young,Ha Jungmin,Lee Suk-Ha 한국유전학회 2023 Genes & Genomics Vol.45 No.7
Background Flowering time is an important crop trait. Mungbean flowers do not flower simultaneously, leading to asynchronous pod maturity and laborious multiple harvests per individual plant. The genomic and genetic mechanisms of flowering in mungbean are largely unknown. Objective This study sought to discover new quantitative trait loci (QTLs) for days to first flowering in mungbean using a genome-wide association study (GWAS). Methods In total, 206 mungbean accessions collected from 20 countries were sequenced using genotyping by sequencing. A GWAS was conducted using 3,596 single nucleotide polymorphisms (SNPs) using TASSEL v5.2. Results Seven significant SNPs were associated with first flowering time. Based on the linkage disequilibrium (LD) decay distance, LD block was determined from upstream to downstream of each SNP up to 384 kb. The lead SNP (Chr2_51229568) was located in the DFF2-2 locus. Syntenic analysis between mungbean and soybean revealed the DFF2-2 locus had collinearity with soybean genomic regions containing flowering-related QTLs on Gm13 and Gm20. Conclusion Identification of flowering-related QTLs and SNPs is important for developing synchronous pod maturity and desirable flowering traits in mungbean.