Data Center Reference Architecture Models - Extreme Networks
Data Center Reference Architecture Models - Extreme Networks
Data Center Reference Architecture Models - Extreme Networks
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<strong>Data</strong> <strong>Center</strong> <strong>Reference</strong> <strong>Architecture</strong> –2-Tier (Medium Model)Layer 3:OSPF (P2P)Layer 2: EAPS orLayer 3: OSPF(P2P or overEAPS with VRRP) <strong>Data</strong> <strong>Center</strong> Core Layer• BlackDiamond 8800 for denseaggregation of racks• Passive backplane• Hitless failover• Comprehensive security• High-performance under adverseconditions• BlackDiamond uses 3.4x less poweron average than Catalyst 6509 and 2xless power than BigIron Rx-16• Sentriant NG300 for rapidlypropagating threats which canquickly take a data center down• Protocols:• OSPF (P2P with ECMP) to rest ofnetwork layers• EAPS to the Access layer• VRRP for Layer 3 gateway(s)protection© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.Page 7
<strong>Data</strong> <strong>Center</strong> <strong>Reference</strong> <strong>Architecture</strong> –3-Tier (Large Model) 3-Tier Model Large Model Characteristics• > 2000 Ethernet ports• > 1000 servers/NAS devices• > 59 racks• > 9 rows Assumptions• 2 NICs per server• 17 servers per rack• 7 racks per row© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.Page 8
<strong>Data</strong> <strong>Center</strong> <strong>Reference</strong> <strong>Architecture</strong> –3-Tier (Large Model)Layer 2: EAPS orLayer 3: OSPF (P2P) <strong>Data</strong> <strong>Center</strong> Access Layer:• ToR Design• Summit X650 for 10Gig densityand Summit X450a switches forexisting 1G connections• Cross-portfolio stacking: SummitX650 and Summit X450a switchesfor chassis resiliency capabilities• EoR Design• BlackDiamond 8800 for denseaggregation of racks• Hitless failover• BlackDiamond uses 3.4x lesspower on average than Catalyst6509 and 2x less power thanBigIron Rx-16• Protocols:• EAPS for Layer 2 to Core Layer• Layer 3• OSPF (P2P with ECMP) forLayer 3 option• OSPF over EAPS© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.Page 9
<strong>Data</strong> <strong>Center</strong> <strong>Reference</strong> <strong>Architecture</strong> –3-Tier (Large Model)Layer 2: EAPS orLayer 3: OSPF(P2P or overEAPS with VRRP)Layer 2: EAPS orLayer 3: OSPF (P2P) <strong>Data</strong> <strong>Center</strong> Distribution Layer• BlackDiamond 8800 for denseaggregation of racks• Passive backplane• Hitless failover• High-performance under adverseconditions• BlackDiamond uses 3.4x less power onaverage than Catalyst 6509 and 2x lesspower than BigIron Rx-16• Sentriant NG300 for rapidlypropagating threats which can quicklytake a data center down• Protocols:• OSPF to Core• P2P with ECMP• Over EAPS with VRRP• EAPS to the access layer• VRRP for Layer 3 gateway(s)protection© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.Page 10
<strong>Data</strong> <strong>Center</strong> <strong>Reference</strong> <strong>Architecture</strong> –3-Tier (Large Model)Layer 3:OSPF (P2P)Layer 2: EAPS orLayer 3: OSPF(P2P or overEAPS with VRRP) <strong>Data</strong> <strong>Center</strong> Core Layer• BlackDiamond 8800 for denseaggregation of racks• Passive backplane• Hitless failover• Comprehensive security• High-performance under adverseconditions• BlackDiamond uses 3.4x less poweron average than Catalyst 6509 and 2xless power than BigIron Rx-16• Protocols:• OSPF (P2P with ECMP) to rest ofnetwork layers• OSPF (P2P with ECMP) or overEAPS with VRRP to Distributionlayer© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.Page 11
© 2009 <strong>Extreme</strong> <strong>Networks</strong>, Inc. All rights reserved.
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