Research Area

NetAI Research Area (2020 Spring~ Current):


Networked Intelligence Laboratory (formerly Networked Computing Systems Lab.) Challenges focusing on "Sustainable Orchestration of AI-inspired Cyber-Physical Services employing Shared Software-Defined Infrastructure and Common Cloud-native Platforms".

NetCS Research Area (2017 Winter ~ 2019 Summer):


Networked Computing Systems (NetCS) Challenges focusing on “Agile & Visible p+v+c Function-leveraged Composition of IoT-Cloud Services employing Programmable/Sliced/Hyper-Converged (Compute/Storage/Networking) Resources”.


1. Secured Multi-Site Edge-Clouds with Composable SmartX K-ONE Playground

  • Automated Box-Cluster Provisioning of Multi-Site Edge Clouds from SmartX Playground Tower(s)

  • eBPF-based Box/Cluster/Site Visibility with Measurement/Tracing Points for Secured Cloud-Native Edge Infrastructure

  • MultiSec Security Operation Center employing SmartX MultiView Visibility Framework for multi-layer playground visibility

  • Reliable Monitor/Control Orchestration employing Extended Service Mesh over Multi-Site Cloud-Native Infrastructure


2. SmartX Open Platform over Converged SmartX KOREN / OF@TEIN+ Playground

  • Workflow-orchestrated lifecycle realization of IoT-Cloud services leveraging SmartX Open Platform over SmartX Playgrounds

  • Dynamic SaaS OverCloud Framework over Composable Multiple Under-Clouds

  • AI/DL-inspired HPC/BigData Intelligence Cluster Operation with Hyper-fast Connected DataLake

NetCS Research Area (Spring 2016 ~ Fall 2017):


Networked Computing Systems (NetCS) focusing on "Dynamic & Resource-aware Composition of Media-centric Services employing Programmable/Virtualized Computing/Networking Resources".


Workflow-driven OverCloud Lifecycle Orchestration with Context-aware Data Analytics (OverCloud Team)

  • SmartX IoT-Cloud Application Framework

  • Workflow-based Lifecycle Services Orchestration over SaaS OverCloud


Composable UnderCloud for supporting OpenData-centric Services (UnderCloud Team)

  • Box-Cluster Provisioning & Operation of Multi-Site EdgeClouds Playground

  • SmartX Visible Fabric for K-Cluster: Reliable/Accelerated Fabric with Visibility Support


DevOps-based Automated Operation for Visible and Secure Federated Playgrounds (International Team)

  • DevOps-based Federated Operation for Affordable and Visible Multi-Site SDN-Cloud Playground

  • SmartX MultiView Visibility Framework for Reliable Playground Operation

  • SmartX MultiSec Framework for Secure Playground Operation

NetCS Research Area (Spring 2013 ~ Spring 2016):


Networked Computing Systems (NetCS) focusing on "Dynamic & Resource-aware Composition of Media-centric Services employing Programmable/Virtualized Computing/Networking Resources".


Composable Software-Defined Infrastructure (SDI) with SDN/NFV/Cloud integration for Human-defined services

  • Resource-aware service composition framework (i.e., modeling, monitoring, and adaptation) employing heterogeneous computing/networking resources for service-centric Future Internet testbed.

  • Dynamic provisioning for novel SDN-supported services with virtualized programmable networking resources (e.g., high-performance lambdas, opportunistic wireless cognitive/DTN connections, …).

  • Balanced integration of computing and networking resources in heterogeneous SmartX nodes.


Agile and smart media-centric services employing heterogeneous SmartX nodes

  • Flexible service lifecycle management that interacts between immersive media services and computing/networking resources.

  • Centralized coordination of distributed SmartX nodes for multi-party visual sharing collaboration environment.

  • Mobile & content-centric media services leveraging opportunistic P2P for the spatial-temporal domain efficiency.

  • Reliable service creation with heterogeneous computing/networking for real-time/low-latency CPS (cyber physical systems) applications

NetCS Research Area (Spring 2011 ~ Fall 2012):


Since Spring 2011, envisioning the advent of next-generation information infrastructure, based on the programmable networks connecting virtualized cloud-style computing resources, our research aims at the development of tools and algorithms for "Networked Computing Systems that enables Dynamic media-centric service composition over the wired/wireless convergent Future Internet".


Smart Media Services (SmartMS):

  • Dynamic service composition framework towards interaction between immersive media services and computing/networking infrastructure (2007~)

  • Service architectures for massive prosumers (part of "A study on next generation network architecture") (2008~2011)

  • Opportunistic (mobile) P2P media streaming focusing on spatial-temporal efficiency for ad-hoc mesh networks with mobile nodes. (2007~)

  • CPS (Cyber Physical Systems) for Highly-reliable application domain (2010~2011)


NetComputing Testbed (NetCompTB):

  • FIRST@PC: Future Internet Research for Sustainable Testbed based on PC (2008~2013)

  • SIGMA: Virtualized programmable wireless network testbeds for repeatable performance evaluation (2009~2012)

NetMedia Research Area (Spring 2009 ~ Spring 2011):


From Fall 2001 till Spring 2011, we had been working on the investigation/development of relevant tools, algorithms, and paradigms under the slogan of "Dynamic Composition of Immersive Media-oriented Services over the Wire/Wireless IP Convergence Networks".


  • FI (Future Internet) and MS (Media Service) Team:
    Dynamic service composition framework towards interaction between immersive media services and computing/networking infrastructure,
    FIRST@PC: Future Internet Research for Sustainable Testbed, based on PC, P2P /P4P (HY), ADD (SH), KISTI (JC & CH), e-organ (Viny)


  • UM (Ubiquitous Media) Team:
    Cross-layer network-adaptive one-to-one (one-to-many) media transports over multi-hop wireless networks,
    Opportunistic (mobile) P2P media streaming focusing on spatial-temporal efficiency for ad-hoc mesh networks with mobile nodes.

NetMedia Research Area (Fall 2001 ~ Spring 2009):


UCN+ (Ubiquitous Computing and Networking+) Team:

  • Multi-party advanced collaboration environment and remote visualization (Access Grid)

    • SMeet Research Framework & Media Arbitration Service

    • ACE Connector (Networking solution for SMeet)

    • Clustered Networked Display

    • Provision of User Interaction Service in SMeet

  • Interactive networked 3D virtual environments and games

    • Qos Control for Haptic-based Network System

    • Delay compensation for Haptic-based Network System

  • Immersive media contents serving and high-speed delivery (3D HD video over Gbps)

    • Bidirectional system building with optimization of uncompressed HD media transport Related Projects


FI (Future Internet) Team:

  • Persistent and autonomous information sharing via P2P /overlay content networking

    • Towards a Global Coordinate Infrastructure (GCI) for serving P2P Overlay Networks

  • Flexible and transparent protocols & middleware for GRID & home networks

  • Integrated framework for resource scheduling for distributed systems with lambda networking

    • Packet Scheduling for the Real-time Applications with guaranteed delay & jitter performance

    • Multicast Routing for Interactive Media Application in Optical Networks

  • End-to-end media performance via adaptive network QoS and hybrid monitoring

  • Secure media access with intellectual property management and group-based security


UM (Ubiquitous Media) Team:

  • Ad Hoc networking for ambient intelligence and pervasive environments (mesh network, IPv6)

    • Joint Multipath Routing and Rate Allocation for Wireless Mesh Networks

    • P2P -based VoD in Mobile Opportunistic Networks

    • Mesh Connectivity Layer in Wireless mesh networks

    • Reliable MAC layer Multicast in 802.11 Wireless mesh Networks

    • Video Streaming over Wired/Multi-hop Wireless Network

    • High-Quality Multimedia Streaming in Wireless Networks

  • Dynamic network-adaptive media delivery over highly fluctuating networks for graceful degradation

    • Single-hop and Multi-hop Automatic Management and Planning

    • Ubiquitous media streaming with mobility, QoS, and multicast support

    • Resilient and synchronized media distribution over multicast-enabled networks