Full Publications

Duckwoo Kim, YoungGyoun Moon, Jaehyun Hwang, KyoungSoo Park, "FlexCP: A Scalable Multipath TCP Proxy for Cellular Networks," in Proc. ACM CoNEXT, Dec. 2023. [pdf]

Qizhe Cai, Midhul Vuppalapati, Jaehyun Hwang, Christos Kozyrakis, Rachit Agarwal, "Towards µs Tail Latency and Terabit Ethernet: Disaggregating the Host Network Stack," in Proc. ACM SIGCOMM, Aug. 2022. (acceptance ratio: 55/281 = 19.6%) [pdf]

Qizhe Cai, Shubham Chaudhary, Midhul Vuppalapati, Jaehyun Hwang, Rachit Agarwal, "Understanding Host Network Stack Overheads," in Proc. ACM SIGCOMM, Aug. 2021. (acceptance ratio: 55/241 = 22.8%) [pdf]

Jaehyun Hwang, Midhul Vuppalapati, Simon Peter, Rachit Agarwal, "Rearchitecting Linux Storage Stack for μs Latency and High Throughput," in Proc. USENIX OSDI, Jul. 2021. (acceptance ratio: 31/165 = 18.8%) [pdf]

Jaehyun Hwang, Qizhe Cai, Ao Tang, Rachit Agarwal, "TCP ≈ RDMA: CPU-efficient Remote Storage Access with i10," in Proc. USENIX NSDI, Santa Clara (CA), USA, Feb. 2020. (acceptance ratio: 48/275=17.5%) [pdf]

Jiangnan Cheng, Jaehyun Hwang, Ao Tang, "Acceleration of Multipath TCP by Letting ACKs Take the Shortest Path," in Proc. IEEE Sarnoff, Newark (NJ), USA, Sep. 2019. [pdf]

Jaehyun Hwang, Joon Yoo, Sang-Hun Lee, Hyun-Wook Jin, "Scalable Congestion Control Protocol based on SDN in Data Center Networks," in Proc. IEEE Global Communications Conference (GLOBECOM), San Diego, USA, Dec. 2015. [pdf]

Jaehyun Hwang and Joon Yoo, "Packet Scheduling for Multipath TCP," in Proc. IEEE International Conference on Ubiquitous and Future Networks (ICUFN), Sapporo, Japan, Jul. 2015. (invited paper) [pdf]

Nakjung Choi, Jeongran Lee, and Jaehyun Hwang, "Scalable and Energy Efficient WiFi Management," in Proc. IEEE International Conference on Consumer Electronics (ICCE), Las Vegas, USA, Jan. 2014. [pdf]

Jaehyun Hwang, Nakjung Choi, Junghwan Lee, and Chuck Yoo, "SVC-based Hybrid Video Streaming in Mobile CE Devices," in Proc. IEEE International Conference on Consumer Electronics (ICCE), Las Vegas, USA, Jan. 2014. [pdf]

Jaehyun Hwang, Joon Yoo, and Nakjung Choi, "IA-TCP: A Rate Based Incast-Avoidance Algorithm for TCP in Data Center Networks," in Proc. IEEE International Conference on Communications (ICC), Ottawa, Canada, Jun. 2012. [pdf]

Jaehyun Hwang, See-Hwan Yoo, and Chuck Yoo, "TCP Feno: Enhancement for Higher Accuracy of Loss Differentiation Over Small Buffer Heterogeneous Networks," in Proc. IEEE Conference on Local Computer Networks (LCN), Zurich, Switzerland, Oct. 2009. [pdf]

Jaehyun Hwang, Jin-Hee Choi, Se-Won Kim, and Chuck Yoo, "DR-TCP: Downloadable and Reconfigurable TCP," poster session, USENIX Annual Technical Conference (USENIX ATC), San Jose, USA, Jun. 2007. [pdf]

Se-Won Kim, Jaehyun Hwang, Jin-Hee Choi, and Chuck Yoo, "Sentry: a Binary-Level Interposition Mechanism for Trusted Kernel Extension," in Proc. IEEE International Conference on Computer and Information Technology (CIT), Seoul, Korea, Sep. 2006. [pdf]

Jaehyun Hwang, Jin-Hee Choi, and Chuck Yoo, "A Decision Maker for Transport Protocol Configuration," in Proc. International Conference on Computational Science (ICCS), Reading, UK, May 2006. [pdf]

See-Hwan Yoo, Jin-Hee Choi, Jaehyun Hwang, and Chuck Yoo, "Eliminating the Performance Anomaly of 802.11b," in Proc. International Conference on Networking (ICN), Reunion Island, France, Apr. 2005. [pdf]

Seehwan Yoo, Youngpil Kim, Hyunchan Park, Jaehyun Hwang, and Kitak Kim, "enCloud: Aspect-oriented trusted service migration onSGX-enabled cloud VM," Software: Practice and Experience, 10.1002/SPE.3357. [pdf]

Kyoungwoon Lee, Kwanhoon Lee, Hyunchan Park, Jaehyun Hwang, and Chuck Yoo, "Autothrottle: Satisfying Network Performance Requirements for Containers," IEEE Transactions on Cloud Computing, vol. 11, no. 2, pp. 2096-2109, Jun. 2023. [pdf]

Kyoungwoon Lee, Cheol-Ho Hong, Jaehyun Hwang, and Chuck Yoo, "Dynamic network scheduling for virtual routers," IEEE Systems Journal, vol. 14, no. 3, pp. 3618-3629, Sep. 2020. [pdf]

Madhan Raj Kanagarathinam, Sukhdeep Singh, Irlanki Sandeep, HanSeok Kim, Mukesh Maheshwari, Jaehyun Hwang, Abhishek Roy, Navrati Saxena, "NexGen D-TCP: Next Generation Dynamic TCP Congestion Control Algorithm," IEEE Access, vol. 8, pp. 164482–164496, Sep. 2020. [pdf]

Cheol-Ho Hong, Kyoungwoon Lee, Jaehyun Hwang, Hyunchan Park, and Chuck Yoo, "Kafe: Can OS Kernels Forward Packets Fast Enough for Software Routers?," IEEE/ACM Transactions on Networking (ToN), vol. 26, no. 6, pp. 2734-2747, Dec. 2018. [pdf]

Jaehyun Hwang, Anwar Walid, and Joon Yoo, "Fast Coupled Retransmission for Multipath TCP in Data Center Networks," IEEE Systems Journal, vol. 12, no. 1, pp. 1056-1059, Mar. 2018. [pdf]

Jaehyun Hwang, Junghwan Lee, and Chuck Yoo, "Eliminating bandwidth estimation from adaptive video streaming in wireless networks," Signal Processing: Image Communication, vol. 47, pp. 242-251, Sep. 2016. [pdf]

Jaehyun Hwang, Cheol-Ho Hong, and Hyo-Joong Suh, "Dynamic Inbound Rate Adjustment Scheme for Virtualized Cloud Data Centers," IEICE Transactions on Information and Systems, vol. E99-D, no. 3, pp. 760-762, Mar. 2016. [pdf]

Qiuyu Peng, Anwar Walid, Jaehyun Hwang, Steven H. Low, "Multipath TCP: Analysis, Design, and Implementation," IEEE/ACM Transactions on Networking (ToN), vol. 24, no. 1, pp. 596-609, Feb. 2016. [pdf]

Jaehyun Hwang and Sang-Seon Byun, "A Resilient Buffer Allocation Scheme in Active Queue Management: A Stochastic Cooperative Game Theoretic Approach," International Journal of Communication Systems (IJCS), vol. 28, no. 6, pp. 1080-1099, Apr. 2015. [pdf]

Jaehyun Hwang, Joon Yoo, and Nakjung Choi, "Deadline and Incast Aware TCP for cloud data center networks," Computer Networks, vol. 68, pp. 20-34, Aug. 2014. (Special issue acceptance ratio: 12/60=20%) [pdf]

Jaehyun Hwang, Junghwan Lee, Nakjung Choi, and Chuck Yoo, "HAVS: Hybrid Adaptive Video Streaming For Mobile Devices," IEEE Transactions on Consumer Electronics (T-CE), vol. 60, no. 2, pp. 210-216, May 2014. (ICCE issue acceptance ratio: 5%) [pdf]

Jaehyun Hwang and Joon Yoo, "FaST: Fine-grained and Scalable TCP for Cloud Data Center Networks," KSII Transactions on Internet and Information Systems (TIIS), vol. 8, no. 3, pp. 762-777, Mar. 2014. [pdf]

Junghwan Lee, Jaehyun Hwang, Nakjung Choi, and Chuck Yoo, "SVC-based Adaptive Video Streaming over Content-Centric Networking," KSII Transactions on Internet and Information Systems (TIIS), vol. 7, no. 10, pp. 2430-2447, Oct. 2013. [pdf]

Jaehyun Hwang and Chuck Yoo, "Formula-based TCP Throughput Prediction with Available Bandwidth," IEEE Communications Letters, vol. 14, no. 4, pp. 363-365, Apr. 2010. [pdf]

Jaehyun Hwang, See-Hwan Yoo, and Chuck Yoo, "Momentary Recovery Algorithm: A New Look at the Traditional Problem of TCP," IEICE Transactions on Communications, vol. E92-B, no. 12, pp. 3765-3773, Dec. 2009. [pdf]

Jaehyun Hwang, Jin-Hee Choi, Se-Won Kim, and Chuck Yoo, "DR-TCP: Downloadable and Reconfigurable TCP," Journal of Systems and Software, vol. 81, no. 1, pp. 83-99, Jan. 2008. [pdf]

Anwar Walid, Qiuyu Peng, Jaehyun Hwang, Steven H. Low, "Balanced Linked Adaptation Congestion Control Algorithm for MPTCP," draft-walid-mptcp-congestion-control-04, Jul. 2015. 

Youngsung Kho, Jaehyun Hwang, Joonseo Lee, Moonyoung Jeong, Kyuho Han, "Apparatus and Method for Switching Wireless Access Technology in Wireless Communication System," US Patent granted, US11,463,930, Oct. 04 2022. [google_patents]

Namkoo Kang, Giwon Lee, Jaehyun Hwang, Jin Park, Kangeun Lee, Chiwoo Lim, "Device and method for beam management in wireless communication system," US Patent granted, US11,304,068, Apr. 12 2022. [google patents]

Moonyoung Jeong, Youngsung Kho, Jaehyun Hwang, Joonseo Lee, Kyuho Han, "Method, apparatus and system for establishing session for communication with local network in wireless communication system," US Patent granted, US11,291,076, Mar. 29 2022. [google_patents]

Jaehyun Hwang, Seongryong Kang, "Method and apparatus for transmitting data in wireless communication system", US Patent granted, US11,252,608, Feb. 15 2022. [google patents]

Jaehyun Hwang, Seongryong Kang, Daejoong Kim, Sangheon Lee, "Method and Apparatus for Distributing Packets on Multi-Link in Mobile Communication Network," US Patent granted, US11,153,782, Oct. 19 2021. [google_patents]

Seongryong Kang, Jaehyun Hwang, Daejoong Kim, Sanghun Lee, "Method and apparatus for transmitting and receiving data using multilinks in wireless communication system," US Patent granted, US11,140,578, Oct. 05 2021. [google patents]

Junghwan Lee, Jeamin Lim, Jaehyun Hwang, Nakjung Choi, Chuck Yoo, "Method for Receiving Adaptive Streaming Service," US Patent granted, US11,057,448, Jul. 6 2021. [google patents]

Seongryong Kang, Jaehyun Hwang, Jonghyune Kim, Jungah Choi, "Method and apparatus for controlling data transmission speed in wireless communication system", US Patent granted, US10,952,102, Mar. 16 2021. [google patents]

Hakyung Jung, Junghwan Lim, Youngsuk Sun, Jinhyoung Kim, Jaehyun Hwang, Hyunjoo Lee, Sooyoung Jang, Giwon Lee, Jinho Lee, "TCP Proxy Device-Assisted Communication Method and Apparatus in Wireless Communication," US Patent granted, US10,693,800, Jun. 23 2020. [google_patents]

Hakyung Jung, Jinhyoung Kim, Sangkyu Baek, Giwon Lee, Jinho Lee, Hyunjoo Lee, Sooyoung Jang, Jaehyun Hwang, "Method and Apparatus for Transmitting TCP ACK in Communication System," US Patent granted, US10,645,609, May 5 2020. [google_patents]

Kyuho Han, Seongryong Kang, Daejoong Kim, Sangheon Lee, Jaehyun Hwang, "Gateway, network assignment method of gateway, mme, network assignment method of mme, terminal, and network connection method of terminal in wireless communication system," US Patent granted, US10,455,629, Oct. 22 2019. [google patents]

Jaehyun Hwang and Anwar Walid, "Fast Coupled Retransmission for Multipath Communications", US Patent granted, US10,020,918, Jul. 10 2018. [google patents]

Jaehyun Hwang and Thierry Klein, "Software Defined Networking Based Congestion Control," US Patent granted, US9,450,884, Sep. 20 2016. [google patents]

Jaehyun Hwang and Joon Yoo, "A Method for Avoiding Network Congestion and an Apparatus Thereof," US Patent granted, US9,356,878, May 31 2016. [google patents]

Chuck Yoo, Jaehyun Hwang, Se-Won Kim, Jin-Hee Choi, "TCP Processing System and Method of Controlling The Same," Korean Patent granted, No. 10-0914308-0000, Aug. 20 2009. [google patents]

Youngjoong Mok, Chiwoo Lim, Jin Park, Kangeun Lee, Giwon Lee, Jaehyun Hwang, Hyunjeong Kang, "Method and Apparatus for Beam Searching based on History," Korean Patent Application filed, No. 10-2017-0140765, Oct. 27 2017. [google patents]

Jaehyun Hwang, "Aggregator Server in a Data Center Network," Korean Patent Application filed, No. 10-2013-0076017, Jun. 28 2013. [google patents]

"Rearchitecting Linux Storage Stack for Remote SSD Access", NVRAMOS 2022, Sokcho, Korea, Oct. 2022.

Anwar Walid, Qiuyu Peng, Jaehyun Hwang, Steven H. Low, "Balia (Balanced linked adaptation): A new MPTCP congestion control algorithm," IETF-90 Multipath TCP Working Group, Toronto, Canada, Jul. 2014.

"Deadline and Incast Aware TCP for Data Center Networks," Research Talk, Bell Labs (Murray Hill), New Jersey, US, Nov. 2013.

"Supporting Service Level Agreements of Cloud Services in Data Center Networks," 5G: Enabling Technologies & Services Workshop, Korea University, Seoul, Korea, Sep. 2013.

"Efficient Transport Protocol for Data Center Communications," KREONET Workshop, Jeju Island, Korea, Jun. 2013.

"Data Center Communications and a New Transport Protocol," Data in 21st Century Workshop, Korea University, Seoul, Korea, Sep. 2012.

"HTTP Adaptive Streaming over Content-Centric Networking," Symposium on Virtualization Technology, Korea University, Seoul, Korea, Jun. 2011.