Naming conventions and links IDs

When new links are added do not forget to warn GGUS team to have them modifying the links ID in the TTS.

The MTUs in this section are given as the maximum size of packet (IP MTU) or frame (L2 MTU - often ethernet MTU) that can be transmitted without fragmentation.

Official site naming

Official T0/T1 sitename Old/usual sitename IP MTU for hosts in LHCOPN server's farm ICMP unreachable
CA-TRIUMF TRIUMF 9000B  
CH-CERN CERN 1500B  
DE-KIT GRIDKA , FZK 1500B  
ES-PIC PIC 1500B and 9000B  
FR-CCIN2P3 IN2P3 1500B enabled
IT-INFN-CNAF CNAF 9000B  
KR-KISTI KISTI 9000B  
NDGF NORDUGRID 1500B (plan to go to 9000B)  
NL-T1 SARA and Nikhef 9000B  
RRC-KI-T1      
TW-ASGC ASGC 1500B  
UK-T1-RAL RAL 1500B (unsure)  
US-FNAL-CMS FNAL, FERMI, FERMILAB 9000B  
US-T1-BNL BNL 1500B  

Links' ID and information

T0-T1 links
Link ID T1 T0 router Use Bandwidth IP prefix Min L2 MTU Min IP MTU
CERN-TRIUMF-LHCOPN-001 CA-TRIUMF CH-CERN R02LCG Backup 1G 192.16.166.84/30 9192B 9000B
CERN-TRIUMF-LHCOPN-002 CA-TRIUMF CH-CERN R01LCG Primary 5G 192.16.166.80/30 9192B 9000B
CERN-GRIDKA-LHCOPN-001 DE-KIT CH-CERN R01LCG Primary 10G 192.16.166.32/30    
CERN-PIC-LHCOPN-001 ES-PIC CH-CERN R01LCG Primary 10G 192.16.166.56/30 9216B 9000B
CERN-PIC-LHCOPN-002 ES-PIC CH-CERN R03EXT Backup 1G 192.16.155.64/30   1500B
CERN-IN2P3-LHCOPN-001 FR-CCIN2P3 CH-CERN R02LCG Primary 10G 192.16.166.40/30 9026B 9000B
CERN-CNAF-LHCOPN-001 IT-INFN-CNAF CH-CERN R02LCG Primary 10G 192.16.166.16/30   9000B
CERN-CNAF-LHCOPN-002 IT-INFN-CNAF CH-CERN Secondary 10G    
CERN-NDGF-LHCOPN-001 NDGF CH-CERN R01LCG Primary 10G 192.16.166.48/30   9000B
CERN-SARA-LHCOPN-001 NL-T1 CH-CERN R02LCG Primary 10G 192.16.166.72/30   9000B
CERN-ASGC-LHCOPN-003 TW-ASGC CH-CERN R01LCG Primary 10G 192.16.166.0/30    
CERN-ASGC-LHCOPN-004 TW-ASGC CH-CERN R02LCG Backup 1.8G 192.16.166.96/30    
CERN-ASGC-LHCOPN-005 TW-ASGC CH-CERN R02LCG Backup 2.5G 192.16.166.148/30    
CERN-RRCK1-LHCOPN-001 RRC-KI-T1 CH-CERN R02LCG Primary 2G 192.16.166.156/30    
CERN-RAL-LHCOPN-001 UK-T1-RAL CH-CERN R01LCG Primary 10G 192.16.166.68/30   9600B
CERN-RAL-LHCOPN-002 UK-T1-RAL CH-CERN R02LCG Backup 10G 192.16.166.140/30   9600B
CERN-FERMI-LHCOPN-001 US-FNAL-CMS CH-CERN R02LCG Primary 10G 192.16.166.24/30   9000B
CERN-FERMI-LHCOPN-002 US-FNAL-CMS CH-CERN R01LCG Backup 3.5G 192.16.166.28/30   9000B
CERN-FERMI-LHCOPN-003 US-FNAL-CMS CH-CERN R02LCG Secondary 7G 192.16.166.4/30   9000B
CERN-BNL-LHCOPN-001 US-T1-BNL CH-CERN R01LCG Primary 10G 192.16.166.8/30   9000B
CERN-BNL-LHCOPN-002 US-T1-BNL CH-CERN R02LCG Backup 3.5G 192.16.166.12/30   9000B
CERN-BNL-LHCOPN-003 US-T1-BNL CH-CERN R01LCG Primary 7G 192.16.166.88/30   9000B

T1-T1 links
Link ID T1 (responsible) T1 Use Bandwidth IP prefix Min L2 MTU Min IP MTU
CNAF-GRIDKA-LHCOPN-001 IT-INFN-CNAF DE-KIT Transit 10G 192.16.166.100/30    
SARA-TRIUMF-LHCOPN-001 NL-T1 CA-TRIUMF T1-T1 1G 206.12.9.40/29 9192B 9000B
GRIDKA-SARA-LHCOPN-001 DE-KIT NL-T1 Transit 10G 192.16.166.104/30   9000B
GRIDKA-IN2P3-LHCOPN-001 FR-CCIN2P3 DE-KIT Transit 10G 192.16.166.108/30 9026B 9000B
NDGF-SARA-LHCOPN-001 NDGF NL-T1 Transit 10G 1109.105.124.16/30   9000B
ASGC-SARA-LHCOPN-001 TW-ASGC NL-T1 T1-T1 2G 117.103.111.184/30   9000B
FERMI-SARA-LHCOPN-001 US-FNAL-CMS NL-T1 T1-T1 1G 198.151.133.140/30   9000B
ASGC-FERMI-LHCOPN-001 TW-ASGC US-FNAL-CMS T1-T1 2G 198.151.133.176/30    

Internal T0 or T1's links (can strongly affect the LHCOPN)
Link ID T0/T1 Bandwidth IP prefix Min L2 MTU Min IP MTU
CH-CERN-I-II-LHCOPN-001 CH-CERN 10G 192.16.166.252/30 9000B  
DE-KIT-I-II-LHCOPN-001 DE-KIT 10G      
TW-ASGC-AMS-TPE-LHCOPN-001 TW-ASGC 10G      
W-ASGC-AMS-CHI-LHCOPN-001 TW-ASGC 2.5G      
TW-ASGC-CHI-TPE-LHCOPN-001 TW-ASGC 2.5G      
SARA-NIKHEF-LHCOPN-001 NL-T1 10G   9018B 9000B

Old/decommissioned links
T0/T1 T0/T1 Link ID Status Bandwidth
CH-CERN TW-ASGC CERN-ASGC-LHCOPN-001 Primary 1G
CH-CERN TW-ASGC CERN-ASGC-LHCOPN-002 Primary(bundle) 1G
US-T1-BNL US-FNAL-CMS BNL-FERMI-LHCOPN-001 Previously used for testing - Primary .
US-T1-BNL US-FNAL-CMS BNL-FERMI-LHCOPN-002 Previously used for testing - Backup .

Planned/not yet in production/Testing/Unknown links
T0/T1 T0/T1 Link ID Status Bandwidth
CH-CERN UK-T1-RAL CERN-RAL-LHCOPN-002 Upcoming backup 10G

Responsibilities for links

  • For T0 - T1 link responsibilities are on T1's side.
  • For T1 - T1 link default responsibilities are depicted on the table of T1 - T1 links. They can be changed as soon as more precise details about an outage are known.
  • For internal's T1 links, responsibilities is of course on hosting T1s.
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Topic revision: r63 - 2015-03-10 - VitaliyKondratenko
 
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