1. 100G KREONET/KREONet2 Updates
November 8, 2016
Buseung Cho
Director, Department of KREONET Operation and Service
KREONET Center, Div. of Supercomputing
Korea Institute of Science and Technology Information (KISTI)

2. KREONET/KREONet2 : National Science and Research Network, Korea
Initial Phase (Past)
Current Phase
Pioneer of Internet
Enabler of Science Discovery and Innovation
·Launching first national-wide Internet service in Korea, 1988
·Enabling the global research project related to data intensive science as Cyberinfrastructure
·Education and dissemination of internet
technology and service
·Mediator/medium of multidisciplinary research
☞ Key driver for innovation in research and development
·One of 5 National Basic Information System: defense, administration, finance, public security, education/research
·Advanced Research Network assigned by“Utilization and Promotion of National Supercomputing” Act (2012)
·(capacity) Kbps/Mbps
·Global Leadership for technology and application
☞ Building the user/network community
KREONET: Korea Research Environment Open Network
·Early adaptor and development for advance network technology/service and introducing it into the market
GLORIAD: GLObal RIng network for Advanced application and Development
·(capacity) Gbps/Tbps

3. - National-wide 100Gbps National Research Network
- 17 Domestic GigaPoPs, 4 International GigaPoPs
- KREONET Backbone Availability: 99.84%(‘15)
- KREONet2/GLORIAD Backbone Availability: 100%(‘15)
- User: about 200 national research institutes, universities etc.

4. KREONet2, International Network of KREONET
KREONET: Korea Research Environment Open Network

5. Linking the world with lambda
GLIF (Global Lambda Integrated Facility)
KRLight, OLE (Open Lightpath Exchange)
Linking the world with lambda
=>Global Cyber-infrastructure, supporting
Collaborative Scientific R&D project 5

6. APAN-JP, JGN-X, Microsoft,
KRLight, Distributed Open Lightpath eXchange-Korea
CA*net4, Internet2,
PNWGP, CENIC
UltraLight, ESnet,
AARNET,
KAREN, NORDUnet
Seattle
Univ. of Hong Kong
10Gbit/s
10Gbit/s
Seattle, USA
(KREONet2)
CERNET
1Gbit/s
CANARIE
Internet2, ESnet,
ASGCnet , CERN, MREN, TWAREN,
10Gbit/s+
2.5Gbps
Chicago
1Gbit/s
10Gbit/s
100Gbps
10Gbps*2
Google
(IPv6)
(KREONet2)
(KREONet2)
10Gbit/s
Hong Kong, CN
Daejeon, KR
10Gbit/s*2
Chicago, USA
(KREONet2)
LHCOPN
10Gbit/s
100Gbit/s
10Gbit/s*3
Amsterdam, NL
(KREONet2)
10Gbit/s
1Gbit/s (-> 10Gbit/s)
HKIX
Hong Kong
100Gbit/s*n
10Gbit/s
TEIN
10Gbit/s
10Gbit/s
HKOEP
(KREONET)
CUHK, HARNET
APAN-JP, JGN-X, Microsoft,
ASNet, NUS …
Amsterdam
GEANT, NORDUnet, SURFnet
Hong Kong
KRLight Topology - May, 2016
(Buseung Cho,
Peering with KREONet2
GOLE (L2 transit)

7. High Energy Physics & Fusion Energy Science
Astronomy & Climate
Changes
Education & e-Culture
Future Internet &
Construction
Advanced Scientific
Computing Research
Bio/Genome Research & Medical Science
Enabling Science Discovery
New particle, “Higgs” in CERN LHC
Gravitational Wave in LIGO

8. LHCOPN (GSDC/KISTI ~ CERN)
LHC Optical Private Network
GSDC (Global Science Data hub Center) in KISTI as CERN LHC Alice Tier 1 center Since 2013
NetherLight
Unprotection 10Gbps
CERN
KRLight
(Daejeon)
KRLight
(Chicago)
L3 peering
(backup path, TBD)
Dedicated10Gbps over 100Gbps
(Protection 10Gbps)
CERN network
KISTI
L3 peering
(backup path)
CERN network

9. HEP network in KREONET/KREONet2
(for KEK Belle experiment)
KREONet2
(AS 17579)
Nokia
7750-SR
@Chicago
AS 513
CERN
(AS513)
100Gbps
10Gbps
(LHCOPN)
KEK
Shared 10Gbps
Juniper
MX960
@Hong Kong
10Gbps*2
Nokia
7750-SR
@Daejeon
Juniper
MX80
@KISTI
10Gbps*n
SINET - JGN-X - HK-IX
10Gbps*2
Korea University
@Seoul
KREONET
(AS 1237)
100Gbps
GSDC
1Gbps
Yonsei University
@Seoul
10Gbps
1Gbps
Soongsil University
@Seoul

10. LHCONE in Asia Asia Tier Center Forum, KISTI 22-24 September 2015
A consensus for LHCONE inter-VRF connection among KREONet2/GLORIAD-KR(KISTI), ASGC and TEIN
Asia Tier Center Forum, KISTI September 2015 12

11. LHCONE: A global infrastructure for the LHC Tier1 data center and Tier 2 analysis center connectivity
LHCONE

12. LHCONE, KREONET/KREONet2
TEIN
CERN
ESNET
CANARIE
GEANT
(for KEK Belle experiment)
KREONet2
(AS 17579)
Nokia
7750-SR
@Chicago
AS 513
CERN
(AS513)
100Gbps
10Gbps
(LHCOPN)
KEK
Shared 10Gbps
Juniper
MX960
@Hong Kong
10Gbps*2
Nokia
7750-SR
@Daejeon
Juniper
MX80
@KISTI
10Gbps*n
SINET - JGN-X - HK-IX
10Gbps*2
Korea University
@Seoul
KREONET
(AS 1237)
100Gbps
GSDC
1Gbps
Yonsei University
@Seoul
10Gbps
1Gbps
Sungsil University
@Seoul

13. Science DMZ Dedicated Systems for Data Transfer Performance Network
Data Transfer Node
High performance
Configured specifically for data transfer
Proper tools
Network
Architecture
Performance
Testing &
Measurement
Science DMZ
Dedicated network location for high-speed data resources
Appropriate security
Easy to deploy - no need to redesign the whole network
perfSONAR
Enables fault isolation
Verify correct operation
Widely deployed in ESnet and other networks, as well as sites and facilities

14. Use Case of Science DMZ in KREONET/KREONet2
PerfSONAR Maddash in KREONET/KREONet2
Participation PRP and GRP project
900Mbps↑
PerfSONAR E2E Iperf TEST
(APCC-KMA)
Science DMZ
APCC↔KMA-SC
Data Transfer Node (APEC Climate Center)
Data Transfer Node (KMA-SC)
Before Science DMZ
After Science DMZ
SCP File Transfer(253Mbps)
SCP File Transfer (658Mbps)
<APEC Climate Center (APCC)– Korea Meteorological Administration Supercomputing Center(KMA-SC)>

15. Thank you.