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