SPRACE
UNESP
WHREN-
LILA
Sao Paulo
ANSP switch
Miami
Cisco 15454
Cisco
BARUERI
COTIA
Red
RedCLARA
RNP
Redundant
CLARA
router
switch
dark fiber
HEPGrid
SDH/SONET
RNP
RNP
N X GbE
UERJ
switch
router
USP
Figure 30: HEPGRID-Brazil-UERJ general connectivity
And the connectivity with CMS-GRID is shown in Figure 31.
CMS Experiment GRID Network
Online
System
CERN Computer
0.2 - 1.5 GB/s
Tier 0
Center
Tier 1
Korea
Russia
UK
FNAL
UCSD
Caltech
UFl
Tier 2
Sprace
UERJ
Tier 3
...
PCs
Physics caches
Tier 4
Figure 31: Connectivity with CMS-GRID
The present topology of the Tier 2 UREJ is given in Figure 32.
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