Tier 2 SC4 Milestones

Summary

SRM

1. 80% of sites have working (file transfers with 2 other sites successful) SRM by end of December
2. All sites have working SRM by end of January
3. 40% of sites (using FTS) able to transfer files using an SRM 2.1 API by end February
4. All sites (using FTS) able to transfer files using an SRM 2.1 API by end March
5. Interoperability tests between SRM versions at Tier-1 and Tier-2s (TBC)

FTS Channels

1. FTS channel to be created for all T1-T2 connections by end of January
2. FTS client configured for 40% sites by end January
3. FTS channels created for one Intra-Tier-2 test for each Tier-2 by end of January
4. FTS client configured for all sites by end March

Data Transfers

Tier-2 Transfers (End of Summer 2006)

Target rate 250Mb/s, subject to external conditions

1. Identify, confirm participation of and verify bandwidth at 3 reference sites by end August
2. Sustained transfer of data from a reference site to a tier 2 site for 24hrs; 50% of sites by mid September
3. Sustained transfer of data from a reference site to a tier 2 site for 24hrs; 100% of sites by end September
4. Sustained transfer of data from a tier 2 site to a reference site for 24hrs; 50% of sites by mid September
5. Sustained transfer of data from a tier 2 site to a reference site for 24hrs; 100% of sites by end September

Target rate 200Mb/s, subject to external conditions

1. Tier 2 engaged in a sustained transfer of data simultaneously from/to a reference site site for 24hrs; 50% of sites by mid October
2. Tier 2 engaged in a sustained transfer of data simultaneously from/to a reference site site for 24hrs; 100% of sites by end October

Tier-1 to Tier-2 Transfers

Target rate 300-500Mb/s

1. Sustained transfer of 1TB data to 20% sites by end December
2. Sustained transfer of 1TB data from 20% sites by end December
3. Sustained transfer of 1TB data to 50% sites by end January
4. Sustained transfer of 1TB data from 50% sites by end January
5. Sustained individual transfers (>1TB continuous) to all sites completed by mid-March
6. Sustained individual transfers (>1TB continuous) from all sites completed by mid-March
7. Peak rate tests undertaken for all sites by end March
8. Aggregate Tier-2 to Tier-1 tests (250Mb/s sustained to 4 Tier-2 sites) by mid-March
9. Aggregate Tier-1 to Tier-2 tests completed at target rate of 1Gb/s by end March

Inter Tier-2 Transfers

Target rate 100 Mb/s

1. Sustained transfer of 1TB data between largest site in each Tier-2 to that of another Tier-2 by end February
2. Peak rate tests undertaken for 50% sites in each Tier-2 by end February

LCG File Catalog

1. LFC document available by end November. Done.
2. LFC installed at 1 site in each Tier-2 by end December Done. (Though slipped to January, was 75% in December)
3. LFC installed at 50% sites by end January Done.
4. LFC installed at all sites by end February
5. Database update tests (TBC)

VO Boxes

Depending on experiment responses to security and operations questionnaire and GridPP position on VO Boxes.

1. VOBs available (for agreed VOs only) at 1 site in each Tier-2 by mid-January
2. VOBs available at 50% sites by mid-February
3. VOBs available at all (participating) sites by end March

Experiment Specific Tests

TBC

1. To be developed in conjunction with experiment plans