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Kitsuwan Lab
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A lab that designs and controls flexible networks using SDN and optical technologies.
AboutAbout the lab
Let's build the brains of the network.
The Kitsuwan Lab studies the design and control of flexible networks that meet users' requirements.
As user demand grows, Internet traffic has been increasing rapidly.
Its main research areas are SDN technology, optical network technology, and networking fundamentals.
The lab incorporates networking technologies into its research so that networks can be implemented and controlled easily.
Key terms
- SDN
- A technology that separates network control from data forwarding, allowing devices to be controlled flexibly from a central controller.
- Elastic optical network
- An optical network that provides spectrum slots with finer granularity than DWDM optical networks.
- OpenFlow
- A protocol for SDN. The controller interacts with the forwarding function of switches to coordinate the network.
NewsLab news
View More ↗ResearchResearch themes
As Internet traffic surges in response to user demand, the lab studies the design and control of flexible networks that meet requirements. The research page introduces optical networks, software-defined networking, and network control and management.
*Illustrative imageOptical packet/burst switching
In an optical network where optical packet switches are connected by wavelength-division multiplexing (WDM) optical fibers, packets are forwarded from source to destination without optical-electrical conversion. Buffering at intermediate nodes is eliminated.
*Illustrative imageElastic optical networks
These provide spectrum slots with finer granularity than dense wavelength-division multiplexing (DWDM) optical networks and can accommodate traffic with huge data rates. Dynamic setup and teardown of lightpaths causes bandwidth fragmentation, and requests may be rejected when free slots are non-contiguous.
*Illustrative imageSoftware-defined networking
This covers technology that separates network control from data forwarding, allowing physical switches to be controlled flexibly from a central controller. The controller and switches communicate using OpenFlow, a widely known protocol.
*Illustrative imageNetwork control and management
In IP networks, packets travel from source to destination based on routing tables. Adopting an appropriate routing scheme can achieve higher network throughput.
MembersFaculty
The Kitsuwan Lab consists of faculty members, visiting researchers, doctoral, master's, and undergraduate students, research students, short-term research students, and short-term international exchange students.As of 2026
- Associate ProfessorNattapong Kitsuwan
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Entangled link - Alex optical system - DARPA Quantum Network - P1010004” Daderot / CC0 (cropped)
- Optical packet/burst switching: “Optical switch - DARPA Quantum Network, in the BBN laboratory - IMG 2681” Daderot / CC0 (cropped)
- Elastic optical networks: “WDM modules” Own work / CC BY-SA 3.0 (cropped)
- Software-defined networking: “Raspberry Pi 4 on a network switch” RAIL P (RAIL.PHOTOGRAPHY) / CC0 (cropped)
- Network control and management: “Router on a stick concept” Anatoly099 / CC BY-SA 4.0 (cropped)
- Related lab (Ohzahata Lab): “Cellular network antenna mount Haringey London” Acabashi / CC BY-SA 4.0 (cropped)
- Related lab (Fujii Lab): “RADWIN-point-to-point-wireless-Huntington-Beach” 1-555-confide / CC BY-SA 4.0 (cropped)
- Related lab (Ohama-Santoso Lab): “NASA secure communication console at National Cryptologic Museum.agr” ArnoldReinhold / CC BY-SA 4.0 (cropped)
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