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Overview of ITU-T NGN QoS Control
Jongtae Song,Mi Young Chang,Soon Seok Lee,Jinoo Joung Institute of Electrical and Electronics Engineers 2007 IEEE communications magazine Vol.45 No.9
<P>This article presents an overview of standards activities defining the QoS control architecture. Several standards bodies define the QoS control architectures based on their scope of work. This article first reviews the QoS control architectures defined in the standards bodies such as Cable Lab, DSL Forum, MSF, ETSI, and ITU-T. ITU-T NGN architecture provides the generic framework to cover the results of each standards body. Other architectures focus on solving specific problems. We explain in more detail the ITU-T QoS control architecture defined in resource and admission control functions (RACF) and discuss future standards developments.</P>
Design of an Archiving System Architecture for Large Science Data
Jongtae Lim,Indeok Seo,Heesub Song,Seunghun Yoo,Jaeyun Jeong,Jungkwon Cho,Aniruddha Paul,Geonsik Ko,Byounghoon Kim,Yunjeong Park,Jinwoo Song,Seohee Lee,Hyeonwook Jeon,Minwoong Choi,Yeonwoo Noh,Dojin C 한국콘텐츠학회 2016 한국콘텐츠학회 ICCC 논문집 Vol.2016 No.12
Scalable Network Architecture for Flow-Based Traffic Control
Jongtae Song,Soon Seok Lee,Kug-Chang Kang,Noik Park,Heuk Park,Sunghyun Yoon,Kyung Gyu Chun,Mi Young Chang,Young Sun Kim,Jinoo Joung 한국전자통신연구원 2008 ETRI Journal Vol.30 No.2
Many control schemes have been proposed for flowlevel traffic control. However, flow-level traffic control is implemented only in limited areas such as traffic monitoring and traffic control at edge nodes. No clear solution for end-to-end architecture has been proposed. Scalability and the lack of a business model are major problems for deploying end-to-end flow-level control architecture. This paper introduces an end-to-end transport architecture and a scalable control mechanism to support the various flow-level QoS requests from applications.
데이터 특성을 고려한 과학데이터 아카이브 시스템 설계를 위한 Data Curation Profile 분석
임종태(Jongtae Lim),서인덕(Indeok Seo),송희섭(Heesub Song),유승훈(Seunghun Yoo),정재윤(Jaeyun Jeong),조중권(Jungkwon Cho),Aniruddha Paul,고건식(Geonsik Ko),김병훈(Byounghoon Kim),박윤정(Yunjeong Park),송진우(Jinwoo Song),이서희(Seohe 한국콘텐츠학회 2016 한국콘텐츠학회 종합학술대회 논문집 Vol.2016 No.5
Distributed memory access architecture and control for fully disaggregated datacenter network
Kyeong-Eun Han(Kyeong-Eun Han),Ji Wook Youn(Ji Wook Youn),Jongtae Song(Jongtae Song),Dae-Ub Kim(Dae-Ub Kim),Joon Ki Lee(Joon Ki Lee) 한국전자통신연구원 2022 ETRI Journal Vol.44 No.6
In this paper, we propose novel disaggregated memory module (dMM) architecture and memory access control schemes to solve the collision and contention problems of memory disaggregation, reducing the average memory access time to less than 1 μs. In the schemes, the distributed scheduler in each dMM determines the order of memory read/write access based on delay-sensitive priority requests in the disaggregated memory access frame (dMAF). We used the memory-intensive first (MIF) algorithm and priority-based MIF (p-MIF) algorithm that prioritize delay-sensitive and/or memory-intensive (MI) traffic over CPU-intensive (CI) traffic. We evaluated the performance of the proposed schemes through simulation using OPNET and hardware implementation. Our results showed that when the offered load was below 0.7 and the payload of dMAF was 256 bytes, the average round trip time (RTT) was the lowest, ~0.676 μs. The dMM scheduling algorithms, MIF and p-MIF, achieved delay less than 1 μs for all MI traffic with less than 10% of transmission overhead.