中国科学院合肥物质科学研究院 - eol.cn

中国科学院合肥物质科学研究院

Hefei Institutes of Physical Science, Chinese Academy of Sciences

Outlines

Hefei Institutes of Physical Science, CAS

Brief Introduction

ITER CN in China

1

2

3

China-US Collaboration


Hefei Institutes of Physical Science

EAST @ ASIPP

Location：Hefei,AnhuiChina

Research Area：fusion energy primarily by tokomak method


Hefei Institutes of Physical Science

EAST @ ASIPP

The Place we worked


EAST @ IPP

Significant Progress：

410s Long Pulse1.0 MA plasma

The New Control Room：demonstrating, under construction, Upcoming in the near future


EAST @ IPP

Remote

On-Site


Critical Network Requirements :


HK

ASIPP

The Domestic Upgrading ,Supported by CSTNET

2013-03

Dedicated Line upgrading from 155Mb/s to 622Mb/s

2013-06

End to CSTNET

Redundancy

2013-07

IPV6

APPLICATION

2014-03

Link Upgrading

to 1Gb/s

2015-07

Contract Signed

With CSTNET


815773

48.52 54.6

0

100

200

300

400

500

600

700

800

900

Network Throughput Measurement (Mb/s)Best Performance EAST-DIIID (2014-06)

Aspera ipv6

Aspera ipv4

scp ipv6

scp ipv4

A total of 16GB data (10s duration Plasma) ：

Aspera (ipv6) transfer time: 2 min 40 sec

Aspera (ipv4) transfer time: 2 min 45 sec

Estimated SCP (ipv6) transfer time: 39 min 4 sec

Estimated SCP (ipv4) transfer time: 43 min 57 sec

2013, 29Mb/sreplicating 10%of data

2014, a continuously 815Mb/s achieved via IPV6

Comparison:


EAST 3rd Shift Operation from GA (2015-07)

ODAC OPO EIC

RDAC RPO SL

COMM

COMM

O n-S ite (E A S T)

R em ote (R C R )

ControlRoom

Environment

Analyst

Analyst

Analyst

Analyst

Analyst

Analyst

Analyst

Primary communication during remote operation

Key Objectives/Contents :

EAST Remote Control Simulation Multilevel Communication

Mechanism tests (meeting room /personnel chat)

PCS Remote Operating and data sharing

EAST Logbook and A/V data visiting


A Demonstrating Aspects Test of EAST 3rd Shift Operation


The comment from email of David at DIII-D

We are very excited by the success of our 3rd shift EAST

operation that occurred the last two days. I think it really

reinforces our vision of how such a long-distance international

collaboration with remote experimental operation can be a

great success. We certainly appreciate all of the hard work

by the dedicated group of people on both sides of the

Pacific who made the 3rd shift operation possible.

Enlighten Your Research Global (EYR-Global) Program

Good News: EAST/GA scientific collaboration use case has been moved to second round

Bad News : Chinese research network absent the Program , efforts still be made in these days


The Next Generation of Tokamak：ITER

The Contribution to ITER ：


ITER Global Collaborative Network (CN) topology

REXP

(Anshan,China)

Chinese Internal Collaborate Network


International link based on two international projects: Gloriad and Orient-Plus. They form a ring network. The backbone of Orinet-plus is 10 Gigabit.

GloriadGloriadOrinet-plus

IOCN DA


The platform of the Collaborative Network in China

Meetings / Trainings

Lync-Instant CommunicationCollaborative-

Design

Collaborative - Produce

ITER-IDM


www.iterchina.cn cims.iterchina.cn

Main application systems , software and Hardware used in CN


A little story about trouble shooting in CN with IO

XXXX

XXXX

XXXX

XXXX


• Problems:– The core checkpoint device(Hefei) was

overloaded to manage domestic and international VPN network meantime.

– The Checkpoint devices gave rise to the packet loss which is 1-4.5% with design traffic.

– The domestic VPN transfer rate is slow, about 10 Mbps.

Collaborative Network structure optimization (2014)

• Solution to improve Collaboration Network’s availability :

– Separate the domestic and international VPN network

– Change the VPN network structure from star to mesh topology

– Replace the Checkpoint equipment to the VPN module with WAN acceleration in domestic VPN network

ASIPP@HF

ChengDu

PeKing

AnShan

After


The Parts designed or made in China for ITER


Network Successfully supported the fusion research and remote experiment for ASIPP in whatever China-US case or ITER project nowadays.

The Challenge to the current network performance increased dramatically, especially when ITER would come to real in the near future.

The domestic link such as Hefei to Peking would be under great pressure with the demanding.

The difficulty of network trouble shooting evolved in a global collaborative environment.


Special thanks to Dr. Xiaoyang Sun of ASIPP

The Staff of CSTNET

The Staff of ASIPP/CASHIPS

The Staff of DIII-D

The Staff of ITER China, ITER IT Group

Thanks for listening !

中国科学院合肥物质科学研究院 - eol.cn

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