1 nishan systems confidential addy lam professional services extending sans over ip networks
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2 Nishan Systems Confidential
Agenda
• Nishan, The Company
• Evolution of Storage Area Network
• Nishan Vision
• Why deploy IP Storage and Why go with Nishan?
• SAN over IP applications
• Customer Profiles
• Nishan Products
• Comparison between Nishan and Cisco Products
• IP SAN reference material
• Questions and Answers
3 Nishan Systems Confidential
Nishan, The Company
Founded October 1998
Headquarters 3850 North First StreetSan Jose, CA 95134(408) 519-3700
Staff 90+ Employees
Company Privately Held
Investors LightSpeed, ComVentures, Dell, Quantum, Siemens, Sun, others…
50 Companies Most Likely to
Change the World
Top 10 Private Storage Networking Companies
5 Nishan Systems Confidential
Value of Storage Area Networking
•Storage Consolidation– Reduce administrative overhead
– Maximize storage utilization
•High Availability– Server clusters accessing shared
storage
– Mirroring terabytes of data/common accessibility
•Disaster Recovery / Metro and Campus
– Remote mirroring within the SAN
– Tape backup / restore
6 Nishan Systems Confidential
Evolution of Storage Area Networking
IP SANs● Based on mainstream TCP/IP networks● Enables SAN over WAN● More robust features; scalability
● Standards-based (IETF, IEEE, ANSI)
Fibre Channel Switched Fabrics● Data Center / Departmental SANs; many devices● Dedicated Bandwidth per port vs. shared bandwidth
Fibre Channel Arbitrated Loop● Small departmental SANs; small number of devices
● Shared bandwidth
VAX Clusters / IBM ESCON / SSA● Proprietary shared storage solutions● Superceded by Open Systems FC
8 Nishan Systems Confidential
MainData Center
FC Servers
FC SAN
Data CenterBoundary Expands
via iSCSI
Nishan Vision of SAN Evolution
Services Required– Unified Management of
mixed device types and mixed fabrics
– Zoning– Authentication– Security– QoS– Bandwidth Management– Storage Resource
Management
Remote Data Center
FC SANIP WAN
Disaster Recovery
IP-to-FC
IP-to-FC
FC-to-IP
FC-to-IP
– Departmental servers beyond FC reach – Promotes storage consolidation of servers
Departmental Servers-iSCSI NICs
IP Campus/Metro Network
FC-to-IP
Regional Office-
iSCSI NICs
– Retail and Banking Applications – Primary application is remote backup– Cost Effective
• Converged HBA• Leverage existing low-speed links
IP SAN
A dispersed SAN would be key for business continuance planning and backup, both of which gained importance after 9/11
-- Mark Taylor, Wells Fargo
9 Nishan Systems Confidential
MainData Center
FC Servers
FC SAN
Data CenterBoundary Expands
via iSCSI
Remote Data Center
FC SANIP WAN
Departmental Servers-iSCSI NICs
IP Campus/Metro Network
– Departmental servers beyond FC reach – Promotes storage consolidation of servers
Regional Office-
iSCSI NICs
– Retail and Banking Applications – Primary application is remote backup– Cost Effective
• Converged HBA• Leverage existing low-speed links
IP SAN
Services Required– Unified Management of
mixed device types and mixed fabrics
– Zoning– Authentication– Security– QoS– Bandwidth Management– Storage Resource
Management
iSNS
Multiprotocol Intelligent Fabric
SANvergence Manager
FC-to-IP
FC-to-IP
FC-to-IP
FC-to-IP
FC-to-IP
Disaster Recovery
FC Switch
Nishan Vision of SAN Evolution
10 Nishan Systems Confidential
Why IP and Nishan?
• Distance Independence– Allows TRUE Disaster Recovery– Distributed storage
• Scalability– Globally distributed Enterprise SANs– Large Data Center SANs
• Interoperability• Performance
– Distance-independent wire-speed IP Storage solutions– Nishan enhancement – Fast Write, Compression, and Jumbo Frames
• Lower Total Cost of Ownership– Leverage existing infrastructure – Investment protection by gradual migration to iSCSI and newer
technologies• Enhanced Functionality
– Security: IPSec encryption and authentication– Quality of service (QoS)– Advanced SAN management tools
12 Nishan Systems Confidential
Infrastructure Alternatives for SAN Extension
Campus
Metro
WAN
Consolidation / Disaster Recovery / Mirroring
• Fiber-Channel Extension– SONET/SDH, Dark Fiber, DWDM
• Tunneling (FC Encapsulation)– FC-IP
• Native IP– iFCP, iSCSI
Consolidation
Remote Backup
?MainData Center
FC SAN
FC SAN
13 Nishan Systems Confidential
Fibre Channel SAN Issues - Extensibility
Fibre Channel SAN island
FC FC
FC FC
FC SAN
FC SAN
• Fibre Channel Networks are designed for “intra data center” environments– Not architected with distance or latency in mind– Enforce strict reliability and performance
requirements– Homogeneous FC-2 Transport
Native FC Native FC can notcan not be transported over most service be transported over most service providers infrastructure.providers infrastructure.
Wide area networks are based on IP or Ethernet Wide area networks are based on IP or Ethernet and and not FCnot FC, therefore, costly point-to-point , therefore, costly point-to-point Dark Dark FiberFiber or or DWDMDWDM is required to connect FC SAN is required to connect FC SAN. .
14 Nishan Systems Confidential
FC-Extension over Dark Fiber or DWDM
0%
20%
40%
60%
80%
100%
0 50 100 150 200 250 300 350 400
% Link
Utilization
Fibre Length (Km)
Metro WAN
Buffer Credits of Single Port
RemoteData Center
• Limited credits of FC switches causes a dramatic decrease in utilization > 30km• Can increase distance by robbing FC credits from other ports• Disadvantages:
– Lost switch port density– Doesn’t fix link-utilization problem (just delays it)– Still have FC scalability limits if connecting FC-switches (few as 8 switches in
fabric)– Service not available in all regions
• Best positioned between limited FC Targets (2) that are relatively close, and
where availability and tariffs not an issue
Buffer Credits of Four Ports
PrimaryData Center
15 Nishan Systems Confidential
120
100
80
60
40
20
10 20 30 40 500
Round Trip Latency, in Milliseconds
Throughput,in Megabytesper Second
IP Storage Extends Beyond Fibre Channel’s Reach
Long Distance IP Storage Performance Results
Nishan Systems Lab Testing with Delay Simulation
Equipment: 3 NT Servers with FC HBAs, 24 Disk Drives
* Fibre Channel performance based on theoretical best case, using fully loaded 2112 byte frames
Fibre Channel Switches (64 Credits)*
Fibre Channel Switches (16 Credits)*
IP StorageIP StorageSwitches Extend Switches Extend Fibre Channel’s Fibre Channel’s
Reach to Greater Reach to Greater Distances and Distances and
LatenciesLatencies
IP Storage Read and Write Operations
Fibre Channel Fibre Channel Switches can be Switches can be
Used in Low Used in Low Latency Latency
Environments, Environments, such as such as
Corporate Data Corporate Data CentersCenters
16 Nishan Systems Confidential
Promontory Project: Coast-to-Coast IP Storage
FC FC iSCSI
iSCSIFCFC
IP SAN
FC FC iSCSI
iSCSIFCFC
IP SAN
IP Storage TrafficIP Storage Traffic
• Provides a High-Performance, Distance-Insensitive architecture (SAN/MAN/WAN)
– Enables high-speed, cost-effective backup operations, using standard high-speed data networks
– Geographically distant replication sites – TRUE disaster recovery
– Distributed Storage
iSCSI and FCiSCSI and FC10Gbps
80 ms round-trip latency
17 Nishan Systems Confidential
Promontory Topology and Performance
G E
P o w e r V a u l t9 9 1 0
G E G E
Q L o g icH B A
D e l l 6 4 5 0
G E
O C - 4 8 ( 2 . 5 G p b s )
S u n n y v a l e ,C a l i f o r n i a
N e w a r k ,N e w J e r s e y
G ig a b i t E t h e r n e t ( G E )
F ib r e C h a n n e l ( F C )
C is c o
C a t a ly s t
6 5 0 0
C is c oG ig a b i t
S w i t c h
R o u t e r
C is c oG ig a b i t
S w i t c h
R o u t e r
C is c oC a t a ly s t
6 5 0 0
Q L o g icH B A
D e l l 6 4 5 0Q L o g ic
H B A
D e l l 6 4 5 0Q L o g ic
H B A
D e l l 6 4 5 0
P o w e r V a u l t 9 9 1 0
19 Nishan Systems Confidential
FCFC FCFC
McData
“Gluing” Together Multi-vendor FC Fabrics
• FC switch interoperability issues may limit connectivity
• No Point-to-Multipoint connectivity
• Multi-vendor interoperability• Any-to-Any connectivity• Lower price per port
FCIP: Each storage fabric limited to a few switches
iFCP: No limit to the size and scale of the storage network
McData
McData
Brocade
Brocade
FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
Brocade
Cisco
Foundry
NishanNishanAvici
Juniper
McDataBrocade
Netgear3Com
NortelExtreme
Riverstone
FCFCFCFC
FCFC
FCFCFCFC
FCFCFCFC
FCFCFCFC
FCFC
FCFCFCFC FCFC FCFC FCFC
FCFC
FCFC
FCFC
FCFC
FCFC
21 Nishan Systems Confidential
Multi-vendor Interoperability
• Interoperability is a pre-requisite in the IP World
• Nishan is a prominent participant in several Interoperability forums – UNH iSCSI Consortium & Plugfests– SNW Interoperability Showcases– N+I IP Storage InteropNet– Vendor-to-vendor testing efforts
• Partner Certifications– Hitachi Data Systems– Xiotech
22 Nishan Systems Confidential
Tape LibrariesTape Libraries
Imation Labs Interoperability Verification
CLARiiON 4500HP xp512HDS 7700e FreedomIBM ESS “Shark”EMC SymmetrixStorageTek 9176Compaq StorageWorks RA8000XIOtech MagnitudeLSI 4400
StorageTek L180ADIC Scalar 1000StorageTek 9710
Disk ArraysDisk Arrays
ServersServers
Sun E450HP N-ClassIBM RS/6000 H70Compaq 6400
Operating SystemsOperating Systems
SolarisHP-UXIBM RS/6000 AIXWindows NT4Windows 2000NetWare 5.1Red Hat Linux
Host Bus AdaptersHost Bus Adapters
JNIQLogicEmulexAgilent
Nishan partners also have doneextensive interoperability testing
on these and other products
24 Nishan Systems Confidential
Wire-speed iSCSI Performance
iSCSI / Gigabit Ethernet
FibreChannel
ServerWith High-Perf.
iSCSI HBA
StorageSubsystem
IPS3300
219+ MBps port
throughput
Low CPU Utilizatio
n
FC RAID
25 Nishan Systems Confidential
SCSI Write Transaction
Delay4 x RTT
FCP_XFR_RDY-1K
FCP_CMD_WRT_16MB
FCP_ DATA_OUT-1K
FCP_ XFR_RDY-512K
FCP_ DATA_OUT-512K
FCP_XFR_RDY-512K
FCP_DATA_OUT-512K
FCP_RSP
FCP_XFR_RDY-1K
FCP_CMD_WRT_16MB
FCP_DATA_OUT-1K
FCP_XFR_RDY-512K
FCP_DATA_OUT-512K
FCP_XFR_RDY-512K
FCP_DATA_OUT-512K
FCP_RSP
FCP_CMD_WRT_16MB
FCP_DATA_OUT-1K
FCP_DATA_OUT-512K
FCP_DATA_OUT-512K
FCP_XFR_RDY-1K
FCP_XFR_RDY-512K
FCP_XFR_RDY-512K
FCP_RSP
InitiatorNear-End Nishan Far-End Nishan Target
DS345 Mbps
FC1G
FC1G
Write Time Aggregation
26 Nishan Systems Confidential
SCSI Write Transaction with Fast Write
FCP_CMD_WRT_16MBFCP_DATA_OUT
Far-End NishanInitiator Target
FCP_RSP
Near-End Nishan
Delay2 x RTT
Minimal local delay
FCP_CMD_WRT_ 16MB
FCP_XFR_RDY-16MB
FCP_DATA_OUT-16MB FCP_CMD_WRT_16MB
FCP_XFR_RDY-1KB
FCP_DATA_OUT-1K
FCP_XFR_RDY-512KB
FCP_DATA_OUT-512K
FCP_XFR_RDY-512KB
FCP_DATA_OUT-512K
DS345Mbps
FC1G
FC1G
FCP_RSP
FCP_RSP
Compression
96 MB of buffer space per Port
Fast Write can not be done without tracking each FC session’s state
27 Nishan Systems Confidential
Compression & Jumbo Frames
• Compression– Up to 11:1 Compression Ratios– Standard Compression algorithms with extensions– “Smart” Compression - compresses just enough to match egress
data rate to port speed– Both ends of a connection NEED NOT turn on compression to
realize gains
• Jumbo Frames– Support for maximum size FC frames - payloads up to 2048 bytes– Jumbo frame support should be end-to-end in the network– The IPS switches can handle incoming jumbo frames even if the
support is not turned on.– Better overall throughput
• Reduced header overhead• Higher traffic rates = higher gains• Compression works better due to bigger sized payload
28 Nishan Systems Confidential
Why IP and Nishan –
Lower Total Cost of Ownership
Lower Total Cost of Ownership
29 Nishan Systems Confidential
Nishan can Leverage existing Fibre Channel devices
IP NetworkIP Network
Leverage existing investment in Fibre
Channel storagedevices
Build on well-understood IP networking technology with existing staff and support
FC Hosts
FC Targets
Leverage IP’s QoSand security features
30 Nishan Systems Confidential
FC SAN Extension with IP Storage Switches (E-Port)
Servers
Fibre Channel
Gigabit Ethernet
Servers
MultiprotocolIP Storage Switch
MultiprotocolIP Storage Switch
FibreChannelSwitch
FibreChannelSwitch
• Existing Fibre Channel Extends Easily to IP– Use standard E_Port connections on FC switches
E_Port
Fibre Channel E_Port Compatibility
FCFC
E_PortOSPF
IP NetworkIP Network
FC RAID FC RAID
31 Nishan Systems Confidential
Nishan can Transition from Fibre Channel to iSCSI
FC RAID
FCServer
FCServer
NishanIP Storage
Switch
IP NetworkIP/GE IP/GE
Fibre Channel
IP / Gigabit Ethernetand iSCSI
iSCSIServer
FCServer
FCFC
Built-in iSCSI
support
Heterogeneous iSCSI and Fibre Channel Access
FC RAID
33 Nishan Systems Confidential
Security of Storage Data
Cisco
CheckPoint
CipherOptics
SonicWall
NetScreen
RapidStream
Secured Data Transport
FC
IPSec /Firewall
IPSec /Firewall
• Standard IPSec encryption• Highly secure 3DES encryption• Off-the-shelf equipment• MAN or WAN application• Unlimited distance
• Protects against traffic intrusion / snooping on critical applications (financial, government, etc.)
• Additional service-revenues based on secure transport (SSP)
Design Features Benefits
Authentication and Data Encryption for Storage
IP Network
34 Nishan Systems Confidential
UNIX or NTServers
TapeLibrary
Enterprise SAN Deployments with QoS
FCServers
FCRAID
FC Director
Mission-Critical VLANs/Zones
prioritize mission-critical data over other
data flows
FCServers
Fibre Channel
SCSI
IP (iSCSI, NAS)
35 Nishan Systems Confidential
IPS Fabric
WWN-A
WWN-B
Zone1 Zone2
WWN-C
FC SwitchFC Switch
FC SwitchFC Switch
FC Island 1
FC Island 2
Active ZoneSet = ConfigA
WWN-4
WWN-5
ZoneA
ConfigA
WWN-6
ZoneC
ConfigB
Active ZoneSet =
Includes all Zones
WWN-1
Alias A
ZoneA
WWN-2
Domain 07, Port 5
ZoneB
ConfigA
WWN-2
ZoneC
ConfigB
Alias A = WWN3
Active ZoneSet = ConfigA
Management Scheme – Scenario 1
WWN-A
WWN-B
SoIP_Zone1 SoIP_Zone2
WWN-C
WWN-A
WWN-B
SoIP_Zone1
SoIP_Zone2
WWN-C
FC VendorMgmt App
FC VendorMgmt App
SANvergence Manager
Read-only SoIP Zones
Read-only SoIP Zones
36 Nishan Systems Confidential
IPS Fabric
WWN-A
WWN-B
Zone1 Zone2
WWN-C
FC SwitchFC Switch
FC SwitchFC Switch
FC Island 1
FC Island 2
Active ZoneSet = ConfigA
WWN-4
WWN-5
ZoneA
ConfigA
WWN-6
ZoneC
ConfigB
Active ZoneSet =
Includes all Zones
WWN-1
Alias A
ZoneA
WWN-2
Domain 07, Port 5
ZoneB
ConfigA
WWN-2
ZoneC
ConfigB
Alias A = WWN3
Active ZoneSet = ConfigA
WWN-A
WWN-B
SoIP_Zone1 SoIP_Zone2
WWN-C
SoIP_ZoneSet
WWN-1
WWN-3
SoIP_FCSWpwwn01_ZoneA
WWN-2
SoIP_FCSWpwwn01_ZoneB
WWN-4
WWN-5
SoIP_FCSWpwwn02_ZoneA
WWN-A
WWN-B
SoIP_Zone1 SoIP_Zone2
WWN-C
SoIP_ZoneSet
WWN-1
WWN-3
SoIP_FCSWpwwn01_ZoneA
WWN-2
SoIP_FCSWpwwn01_ZoneB
WWN-4
WWN-5
SoIP_FCSWpwwn02_ZoneA
WWN-1
WWN-3
FCSWpwwn01_ZoneA
WWN-2
FCSWpwwn01_ZoneB
WWN-4
WWN-5
FCSWpwwn02_ZoneA
•pwwn01 is the lower 3 bytes of the Principal E_Port’s WWN for SAN Island 1
• pwwn02 is the lower 3 bytes of the Principal E_Port’s WWN for SAN Island 2
Management Scheme – Scenario 2
SANvergence Manager
38 Nishan Systems Confidential
Storage Over IP Applications
• Disaster Recovery/Remote Disk Replication– EMC, HDS, Xiotech, Compaq
• Data Centers– Converged
– Distributed
• IP SAN Extension
– Joining SAN islands • Service Provider Solution
– Managed Storage Hosting Services
• iSCSI integration– Storage Consolidation of “Diskless” Server
– Remote Mirroring with iSCSI
– Remote Backup with iSCSI
39 Nishan Systems Confidential
Disaster Recovery/Remote Disk Replication
Main Data Center Remote Data Center
FC Servers
FC SwitchFC Switch
FC Servers
FC SwitchFC Switch
• Disk-to-Disk Replication over distance– EMC Symmetrix Remote Data Facilities (SRDF) - Symmetrix– HDS TrueCopy and TrueCopy 390 - Lighting 9900V Series– XIOtech REDI SAN Links - Magnitude– Compaq Data Replication Manager
IP NetworkIP Network
HDS/EMCHDS/EMC
Nishan switches attached directly to storage devices
40 Nishan Systems Confidential
FC Disks
FC / iSCSI Servers
Converged Data Center
Main Data Center
Disk
FC Servers
BrocadeBrocade
Disk
Remote Data Center
• “SAN and WAN in a Box”– Combines Fabric Switching and SAN Extension platform into a
single platform for Remote Data Centers
– Very cost effective: No need to two sets of platforms
• Leverages Customer IP expertise
Disk
“SAN and WAN in a Box”
IP NetworkIP Network
41 Nishan Systems Confidential
Distributed Data Center
Data CenterBoundary Expands
via iSCSI
MainData Center
iFCP/iSCSI AttachedDepartmental Servers
iFCP/iSCSI AttachedRegional Office
• Connect Departmental or Regional Servers Beyond FC Reach over IP Network
• Cost Effective Backup, Storage Consolidation
– No need for any tunnel-termination at both ends; Converged LAN/iSCSI
HBAs
• IBM Certification
– iSCSI connectivity to Shark, FAStT; Includes VERITAS, Tivoli, Legato
FC Servers
Brocade
Disk Disk
Brocade
IP IP MAN/WANMAN/WAN
Local IP,Local IP,
CampusCampus
42 Nishan Systems Confidential
SAN Extension via E_Port
Main Data Center Remote Data Center
FC Servers
FC Disk / Tape
BrocadeBrocade
FC Disk
FC Servers
BrocadeBrocade
Nishan switches attach directly to Storage
• Storage Consolidation (converged zoning)
FC Disk
Nishan switches attach to FC Switches via E_Port
FC Disk
Brocade
Brocade
Brocade
Brocade
FC Servers FC ServersIP NetworkIP Network
43 Nishan Systems Confidential
Multi-Point SAN Extension
FCServer
FCServer
NishanIP Storage
Switch
FC IP/GigE
Fibre Channel
IP / Gigabit Ethernet
Data CenterSAN
Data CenterSAN
IP Network
IP
IP
44 Nishan Systems Confidential
Subscriber “B” CPEFibre Channel
Servers and Storage
Subscriber “A” CPEFibre Channel or iSCSI
Servers, Storage, SwitchesTo Other
Subscribers
SP-Managed Backup
FibreChannel
SAN
Storage Services RevenuePlus Transport Revenue
Gigabit Ethernet / iFCP / iSCSIFibre Channel
Switchescan be
COE or CPE
Metro Ring
SubscriberVLANs
Service Provider - Managed Storage Hosting Services
ServiceProvider
POP
ServiceProvider
POP
ServiceProvider
NOC
IPSecor
IP Firewall
IPSecor
IP Firewall
30003000
3000
3000
45 Nishan Systems Confidential
Storage Consolidation of “Diskless” Servers
Solution: For cost-sensitive customers who have not yet storage-networked their diskless servers, implement an IP Storage Network with Nishan IP Storage switches for direct access to centralized data storage
High AvailabilityIP Storage Fabric
Remote Site - 1000 miles
iSCSI Hosts
Benefits:• Familiar IP and Ethernet management tools for IP network and IP Storage
switches• Lower TCO on hardware components for end users , esp Fibre Channel HBAs• Migration path to new IP Storage deployments• Robust IP security and encryption tools protect mission critical data
Central Data Center
Campus Site
iSCSI Hosts
MAN Site
iSCSI Hosts
FibreChannelStorage
46 Nishan Systems Confidential
IP Storage Remote Mirroring Configuration with iSCSI
Solution: For customers that can’t implement TrueCopy, implement an IP Storage Network with Nishan IP Storage switches for direct access to remote disk devices
Volume Manager/Replicator
High AvailabilityIP Storage Fabric
IP or FC Hosts
Benefits:• Zero investment in FC fabrics• Native IP extension for Volume Management across any IP network• Familiar IP and Ethernet management tools for IP network and IP Storage
switches• Lower TCO on hardware components for end users• Robust IP security and encryption tools protect mission critical data
FibreChannelStorage
Central Data CenterRemote Data Center
FibreChannelStorage
47 Nishan Systems Confidential
IP Storage Remote Backup Configuration with iSCSI
Solution: For green-field deployments, implement an IP Storage Network with Nishan IP Storage switches for direct access to remote tape devices
NetBackup
High AvailabilityIP Storage Fabric
iSCSI Hosts
Benefits:• Native IP extension for NetBackup across any IP network• Familiar IP and Ethernet management tools for IP network and IP Storage
switches• Lower TCO on hardware components for end users• Migration path to new IP Storage deployments• Robust IP security and encryption tools protect mission critical data
FC Tape
Fibre ChannelStorage
Central Data CenterRemote Data Center
49 Nishan Systems Confidential
Carlson Companies - World’s Largest IP SAN www.carlson.com
• Carlson Companies implemented a distributed IP SAN in order to:– Storage network 10 TB of disk for a data warehouse– Support multi-customer storage service level agreements via
flexible bandwidth management – Efficiently access remote site for disaster recovery– Implement centralized backup to the central data center– Integrate new native IP devices like iSCSI HBAs
“By moving storage data to our IP network, we can meet both our data
center and wide-area storage requirements and seamlessly integrate new
storage technologies such as iSCSI.” Steve Brown, Carlson CIO / Sr. VP
51 Nishan Systems Confidential
Wells Fargo – ICS Customer
• Des Moines Data Centers• Project involved
– Data migration from an EMC Symmetrix to a Lightning 9960 via VERITAS software locally
– Then Hitachi TrueCopy via a Nishan switch to a remote Lightning 9960– During test, link was broken and re-established – pairs re-synched
• Results– Exchange server data was migrated– Server was relocated to target location– Data was verified and server activated
3000 3000
9960
Exchange ServerWindows NT 4
Lightning 9960 Remote
GE FC
Lightning 9960 Primary
IP NetworkGEFC
FC
52 Nishan Systems Confidential
Another Financial Institution
• Un-announced reference site– 6TB in NYC, 5TB in Delaware, T3 link
– DR initiative
– Bi-directional replication with Hitachi TrueCopy
– Solaris & Windows NT servers, Exchange, Sybase, NFS
– Brocade SilkWorm 2800 fabric switch and Nishan IPS 3300 border switch
• Performance– 60ms of latency on Nishan IPS 3300 @ 10Mb
– 80% of link used, 800Kb/sec
– Moving to GigE, 8.5GB/min
– 33 min to copy 280GB
54 Nishan Systems Confidential
• Wire-speed Performance– Full gigabit bandwidth
– Sustained bandwidth utilization over enormous distances
– Wire-speed protocol conversion FC / iFCP / iSCSI
– Flow Control
• Multiprotocol Support– Compatibility with existing FC devices and switches
– FC, iSCSI, iFCP, iSNS, OSPF, STP…
– Provide smooth transition path to IP SAN
• Advanced Management– Embedded SNS server for FC
– Zoning utility for device assignment
IP Storage Switch Design Criteria
Performance equal to or better than
FC
Standards-compliant;
Interoperable
Ease
of Use
55 Nishan Systems Confidential
16 Configurable MultiService Interfaces™
IPS 4000
Series
Nishan Multiprotocol Storage Product Family
Configuration, Management
SANvergence
Management
Software
FCFC
FCFC
IPSIPS
FCFC
IPSIPS
IPSIPS
– Device Management– Zoning
IPS 3000
Series
FCFC
FCFC
IPSIPS
FCFC
IPSIPS
IPSIPS
End Systems
(Storage andServers)
Backbone
(IP StorageNetwork)
Fibre Channel
Fibre Channel
iSCSI
iSCSI
InfiniBand
Gigabit EthernetGigabit Ethernet
Gigabit EthernetGigabit Ethernet
IP Storage
Switches
IP Storage
Switches
Switch Functionality
8 Configurable MultiService Interfaces™
56 Nishan Systems Confidential
IPS 4000 Series
• IP Storage protocols
• 16 ports, 1 RU
• IPS4300 has 4 ports with wire speed TCP for iSCSI and iFCP
• Small Form Pluggable interfaces
• E_Port and auto-sensing F/FL/N ports
• FastWrite & Compression on TCP Ports
FeaturesFeatures
• FC switch, fully interoperable(i.e. no change to existing FC infrastructure)
• Connects FC devices (RAID, JBOD, Tape) to IP networks at Gbps wire-speed
• Connects FC devices to iSCSI devices
• IP switching and routing (QoS, OSPF, etc)
IPS 4000 Series SwitchIPS 4000 Series Switch
FCFC
FCFC
IPSIPS
FCFC
IPSIPS
IPSIPS
57 Nishan Systems Confidential
IPS 3000 Series
• IP Storage protocols
• 8 ports, 2 RU
• IPS3300 has 2 Ports with wire speed TCP termination for iSCSI and iFCP
• SC connectors (SX, LX, ZX GBIC)
• E_Port and auto-sensing F/FL/N ports
• FastWrite & Compression on TCP Ports
FeaturesFeatures
• FC switch, fully interoperable (i.e. no change to existing FC infrastructure)
• Connects FC devices (RAID, JBOD, Tape) to IP networks at Gbps wire-speed
• Connects FC devices to iSCSI devices
• IP switching and routing (QoS, OSPF, etc)
IPS 3000 Series SwitchIPS 3000 Series Switch
FCFC
FCFC
IPSIPS
FCFC
IPSIPS
IPSIPS
58 Nishan Systems Confidential
Element Manager
iSCSI and/or iFCP (SAN Interconnect
Ports)
FC End Device Port
FC ISL Ports
• Management GUI viewed via a browser
• All ports are Dual-Personality FC or GE
Data Center GE ISL Ports
59 Nishan Systems Confidential
SANvergence Manager
• Manage mixed environments of Fibre Channel, Gigabit Ethernet (iSCSI) and SCSI storage
• Standards based - SNMP compliant
• Multi-platform support
• Enterprise system management integration: CA Unicenter TNG, HP OpenView,Tivoli NetView
SANvergence ManagerSANvergence Manager
• Web based management
• Device and network-wide scope
• Auto-discovery of IP Storage switches and gateways
• Secure in-band and out-of-band management
FeaturesFeatures
61 Nishan Systems Confidential
Basic Product Comparison
Cisco 5420 Cisco 5428 Nishan 4300
GigE Int. 1 2 4 to 16
FC Int. 1 8 Up to 12
FC Switch connectivity
Yes (single) NoYes (multiple)
FC Port Type N_Port F_Port F/FL/E/Auto
Power Supply
Single Single Redundant
Support iFCP
NO NO YES
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IP Storage Reference sites
• IEFT IP Storage Group– http://www.ietf.org/html.charters/ips-charter.html
• Julian Stratan’s IPS Archive– http://www.haifa.il.ibm.com/satran/ips/
64 Nishan Systems Confidential
Book on IP SANs
• Partnering for Enterprise-class Storage Solutions
• Committed to Open Systems / Customer Choice
• First transcontinental IP SAN
• First wire-speed iSCSI demonstration
• SAN extension for disaster recovery, remote vaulting/mirroring
• Proven interoperability
• Migration path for heterogeneous FC and IP SAN
• Best of breed high availability storage and IP storage networking
• ISBN 0-201-75277-8
Designing Storage area NetworksA practical Reference for Implementing Fibre
Channel SANs
by: TOM CLARK
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