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【正文】 irtualization Extension Servers Mainframe WAN Which Virtualization Technology For Extending: L2 ? L3 ? Campus and Data Center 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential 12 Virtual SANs (VSANs)將 lan的概念移植到存儲(chǔ) ? Eliminates costs associated with separate physical fabrics through consolidation ? Allows partitioning of individual switches and/or fabrics ? Overlay isolated virtual fabrics on same physical infrastructure –VSANs contain zones and separate fabric services ? Availability –Fault isolation — isolate virtual fabrics from fabricwide faults/reconfigurations ? Scalability –Replicated fabric services per VSAN ? Security –Complete hardware isolation between virtual SAN Department/ Customer ?A‘ Shared Storage Department/ Customer ?B‘ VSANEnabled Fabric Mgmt VSAN MDS 9222i 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential 13 InterVSAN Routing (IVR) Sharing Resources Across VSANs ? Allows sharing of centralized resources such as tape and disks across VSANs — without merging separate fabrics –Provides high fabric resiliency and VSANbased manageability –Distributed, scaleable, and highly resilient architecture ? Transparent to thirdparty switches ? Enables bladeperVSAN architecture for blade servers Tape VSAN_4 (access via IVR) HR VSAN_3 Marketing VSAN_2 Blade Server Tape VSAN_4 (access via IVR) VSANSpecific Disk Engineering VSAN_1 Marketing VSAN_2 HR VSAN_3 IVR IVR MDS 9222i MDS 9222i IVR 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential 14 Virtual Firewall Core/Inter Catalyst 6500/7600 FW SM A B C VFW VFW VFW MSFC ? . three customers a three security contexts – scales up to 256 ? VLANs can be shared if needed (VLAN 10 on the righthand side example ? Each context has its own policies (NAT, accesslists, fixups, etc.) Core/Inter Catalyst 6500/7600 A FW SM B C VFW VFW VFW MSFC Vlan 10 Vlan 20 Vlan 30 Vlan 11 Vlan 21 Vlan 31 Vlan 10 Vlan 11 Vlan 21 Vlan 31 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential 15 Online Bank Application Virtualized Application Switching – ACE Way Cisco ACE ESX Server Virtual Machines Bank Apps Micro soft Orcale Microsoft Outlook Virtual Machines Bank Apps Micro soft Oracle
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