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© 2014 IBM Corporation
Modular X6 Rack Systems
Randy Lundin – X6 Product ManagerRandy Kolvick – Senior Technical Staff Member
© 2014 IBM Corporation
To keep pace: infrastructure must execute quickly and efficiently, minimize costs, foster innovation and stay up and running
To keep pace: infrastructure must execute quickly and efficiently, minimize costs, foster innovation and stay up and running
<1% of enterprise data is analyzed
Additional sources continue to net more data: Smartphones,
mobiles,
sensors
Of LOB and IT leaders –
70% are planning big data implementations or already
leveraging them
Of LOB and IT leaders –
80% are building new apps for cloud
Spendingon market
analytics is up
by 60%
90% of all data on planet
Earth is > 2 years old
There are
1billion+ Facebook users
1Data from IBM Annual Survey of IT and line-of-business leaders for 2013.
1Data from IBM Annual Survey of IT and line-of-business leaders for 2013.
Trends signal why infrastructure matters
2
© 2014 IBM Corporation3
High-end systems
Broad portfolio to meet a wide range of client needs from infrastructure to technical computing
4 socket+ enterprise-class x86 performance, agility and resilience
Integration across IBM assets in systems and SW for maximum client optimization and value
Optimize space-constrained data centers with extreme performance and energy efficiency
IBM PureSystemsIBM PureSystemsIBM X6 SystemsIBM X6 Systems
IBM System x iDataPlex IBM NeXtScaleIBM System x iDataPlex IBM NeXtScale
IBM System x Rack & TowerIBM System x Rack & Tower
IBM Flex SystemIBM Flex SystemIBM BladeCenterIBM BladeCenter
IBM System x delivers a leadership x86 systems portfolio
Blades/Integrated systems
Volume systems Dense systems
© 2014 IBM Corporation
For more than a decade, IBM has delivered innovation above and beyond industry standards
4
X6
X4
EXA2
EXA
X3
eX5
X6
X4
EXA2
EXA
X3
eX5
X6
X4
EXA2
EXA
X3
eX5
business-critical workloads
foundation for virtualization
facilitates private or hybrid cloud model
business-critical workloads
foundation for virtualization
facilitates private or hybrid cloud model
Largest SAP HANA system in the worldLargest SAP HANA system in the world
100+ number one benchmarks100+ number one benchmarks
>$1B invested in EXA Technology>$1B invested in EXA Technology
1st VMware joint development partner1st VMware joint development partner
#1 market share#1 market share
1st >8 way scalable solution1st >8 way scalable solution
Generations of innovation in IBM Enterprise X Architecture (EXA) have delivered superior performance & availability in scale-up x86 servers
© 2014 IBM Corporation
X6 delivers
5
Quicker to your goals, quicker to value
Get what you need today, build as you
grow tomorrow
Create a reliable, mission-critical system
for your enterprise
© 2014 IBM Corporation
Pe
rfo
rma
nc
e
OLTP
Business Intelligence
ERP
Scale Out HPC
In-Memory Analytics
Virtualization Consolidation
CRM
Data Warehousing/Mart
Memory and Scalability – Single System
Small Apps &Scale-out workloads
Big Apps & Scale-up workloads
* Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation.
X6 Workloads Require Performance, Memory, Scalability and a High Level of RAS
6
© 2014 IBM Corporation
The next generation of leadership for mission critical application deployment
on x86 systems
Optimized performance
Enterprise-level availability
Investment protection
Simple, proven solutions
Optimized performance
Enterprise-level availability
Investment protection
Simple, proven solutions
7
© 2014 IBM Corporation
3X more memory2
Enterprise scalability to support 8 CPUs, with 50% more cores
FlashCache Storage Accelerator
New eXFlash memory-channel storage
Scaling for new workloads and business demands
Actionable information— delivered faster
Higher solution performance with lower cost
Make look right, Make look right,
X6 enables you to shift your business services into high gear
2 6TB maximum memory vs. 2TB or less for previous-generation competitive 4-socket servers. 2 6TB maximum memory vs. 2TB or less for previous-generation competitive 4-socket servers.
8
© 2014 IBM Corporation
Leadership Performance with IBM System x3850 X6
RECORD PERFORMANCE
At X6 Announcement 01/16/2014Three #1 Benchmarks1
RECORD PERFORMANCE
At X6 Announcement 01/16/2014Three #1 Benchmarks1
X6 servers show leadership across many workloads that client deployX6 servers show leadership across many workloads that client deploy
NEWPERFORMANCEBENCHMARKS
TPC-H using Microsoft SQL Server 201404/16/20141
SPECjbb2013 using E7-4890v2 CPUs05/06/20141
NEWPERFORMANCEBENCHMARKS
TPC-H using Microsoft SQL Server 201404/16/20141
SPECjbb2013 using E7-4890v2 CPUs05/06/20141
CONTINUED MOMENTUMCONTINUED MOMENTUM
SPECVirtSPECVirt
TPC-ETPC-E
SAP SD two-tier
(4-socket)
SAP SD two-tier
(4-socket)
#1
#1
#1
7X OLTP Performance Improvement on
Microsoft SQL Server 2014
7X OLTP Performance Improvement on
Microsoft SQL Server 2014
TPC-HTPC-H
#1
SPECjbb2013SPECjbb2013
#1
9
© 2014 IBM Corporation
Client Challenges Driving 2 Socket Consolidation
Reducing Software cost Need to reduce systems & core courts
that drive software cost.
Managing Acquisition Cost Less systems and racks can results in
acquisition cost savings.
Managing Data Center Floor Space Need to reduce overall server footprint Doing more with less space
Reducing Energy Cost Reduce power and cooling
construction Reducing ongoing power cost
Reducing Administrative Cost The need to reduce the number and
complexity of systems to manage.
Need for Flexibility To better handles demand spikes Enough memory to handle large
workloads
10
© 2014 IBM Corporation
Backup
Where the Consolidation Savings Come From?
Hardware Acquisition Cost
• Fewer servers can result in a lower HW acquisition cost
• X6 servers can outperform 2 socket servers by up to 10X
Software Cost
• Less total processors and core count results in significantly lower software cost
• Fewer cores generates savings for operating, database and application software licensing.
Data Center Floor Space & Admin
• Fewer servers results in fewer racks taking up valuable floor space
• Eliminating racks of servers generates savings and minimizes data center physical expansion and reduces the systems administration labor cost.
Energy Cost
• Fewer servers significantly saves power cost and postpones expensive power/cooling expansion.
• 70% of data center construction cost come from power and cooling equipment and build out
11
© 2014 IBM Corporation
The industry’s first modular design enables easy configuration and support
X6 scales-up to meet business needs 2 to 8 way (Rack) Ability to scale up to 8-way
Modular design delivers fit-for-purpose solutions
Front/back access system access facilitate easy servicing and upgrading
Fast Setup and Configuration Patterns enable automated provisioning
Significantly reduce acquisition costs
Optimize workload configuration, maximize performance, simplify deployment
Accommodate multiple generations of technology in the same server1
Make look right, Make look right,
X6 gives you the flexibility to evolve as your business does: pay-as-you-grow and change course when needed
1Accommodate multiple generations of processor and memory technology in the same server. Slide out the old Compute Books and slide in the new. The chassis doesn’t change, and neither do the I/O Books, Storage Book, power supplies, fans, or anything else. In fact, you don’t even have to remove the server from the rack. These easy, fast, inexpensive upgrades, can be done several times -- not just once. Older Compute Books can be used in other X6 servers that you are not yet ready to upgrade.
1Accommodate multiple generations of processor and memory technology in the same server. Slide out the old Compute Books and slide in the new. The chassis doesn’t change, and neither do the I/O Books, Storage Book, power supplies, fans, or anything else. In fact, you don’t even have to remove the server from the rack. These easy, fast, inexpensive upgrades, can be done several times -- not just once. Older Compute Books can be used in other X6 servers that you are not yet ready to upgrade.
12
© 2014 IBM Corporation
The modular design concept: X6 adapts to business needs
Storage Book4 Compute Books
Each compute book includes 1 processor and 24 DIMMs
Deliver up to 6TB of memory or 12.8TB of eXFlash memory – channel storage
Each x3850 X6 contains 4 Compute books
Ability to swap out Compute books as memory or processor generations change
The Storage book delivers up to 6.4TB of eXFlash 1.8” SSD or 12.8TB of SAS 2.5”
Ability to host 2 storage controllers for maximum bandwidth
13
© 2014 IBM Corporation
Create the fit-for-purpose solution, whether clients need to support typical HBAs or specialty GPGPU cards
Primary I/O Book
Up to 2 types of IO Books, Half-Length and Full-Length
Each IO Book delivers an additional 3 PCIe slots
Mezz-LOM solution gives clients the ability to select the networking technology that fits their requirements
Hosts the IMM, PCIe slots, and the dedicated Mezz-LOM solution
The modular “book” design also provides clients front and rear access to modular components
14
© 2014 IBM Corporation
Capitalize on your investment – “no more rip and replace.”
Gen1 Gen3
X6 ApproachInnovation…Upgrade in the same chassis Gen2
Traditional ApproachMore Servers. More Cost. More Overhead.
With X6 rack systems, multiple generations of technology can be accommodated in the same server1
Gen1 Gen3Gen2
1Accommodate multiple generations of processor and memory technology in the same server. Slide out the old Compute Books and slide in the new. The chassis doesn’t change, and neither do the I/O Books, Storage Book, power supplies, fans, or anything else. In fact, you don’t even have to remove the server from the rack. These easy, fast, inexpensive upgrades, can be done several times -- not just once. Older Compute Books can be used in other X6 servers that you are not yet ready to upgrade.
1Accommodate multiple generations of processor and memory technology in the same server. Slide out the old Compute Books and slide in the new. The chassis doesn’t change, and neither do the I/O Books, Storage Book, power supplies, fans, or anything else. In fact, you don’t even have to remove the server from the rack. These easy, fast, inexpensive upgrades, can be done several times -- not just once. Older Compute Books can be used in other X6 servers that you are not yet ready to upgrade.
15
© 2014 IBM Corporation
x3850 X5 8-Way x3950 X6 Client Benefit
Scalability Implementation Two servers via Scalability Kit Single 8U internal mid-plane • Higher QPI performance• Higher Reliability• Lower Complexity
Asset Management Two serial numbers Single serial number • Single asset for tracking and accounting
Server Management Dual management modules, independent and localized
Primary IMM with secondary IMM for backup
• Single point of control• Higher management availability
The new x3950 X6 8U design drives easier management, higher performance and capacity, and advanced reliability
16
© 2014 IBM Corporation
• Grow from a 4-socket system to an 8-socket system and reuse system modules: modules are interchangeable between a 4-socket and an 8-socket chassis
Fit for Purpose Scenarios…
4-socket chassis
8-socket chassis
x3850 X6
x3950 X6
17
© 2014 IBM Corporation
FlexNode multiple x3950 X6 servers into a cluster of 4-way servers
Or FlexNode x3950 X6 servers into scale-up 8-way servers
Leveraging FlexNode capability, configure between scale-up workloads & clustered applications easily
18
© 2014 IBM Corporation
1
2
3
19
Intel Run Sure Technology: Enterprise RAS on the Intel Xeon processor family
Memory rank sparing Memory mirroring and
page retire MCA consumed error PCIe live error
recovery
IBM platform innovation:Higher availability, more platform-level RAS
Automated processor failover Automated firmware backup Automated memory
page sorting Advanced transaction
recovery
IBM management innovation:Greater solution-level RAS management with X6 software stack integration
For VMware and Microsoft virtualization
Industry standard
X6 innovation
X6 delivers mainframe-like RAS because it integrates across the hardware & software stack
© 2014 IBM Corporation
X6 delivers mainframe-like RAS because it integrates across the hardware & software stack
Self Healing – 3X Memory with Higher Availability (vs eX5)Page Retire – The ability to proactively identify and quarantine memory page failures from affecting system or application availabilityMemory Page Sorting – Real-time sorting of memory pages based on the level of integrity – keeping the most resilient memory pages available for applicationsAutomated Backup of system management during a failure -- maintains system integrity and availability
Self Healing – 50% More Cores with Stronger Reliability (vs eX5)MCA Core Recovery – The ability for the OS to isolate MCA uncorrectable errors to a single VM or application rather than affecting the entire serverFault Resilient Boot – Allows the server to disable cores or processors and continue to boot if a failure is detected at startup, maintaining access to networking, storage, and system management
Most Robust DesignModular Design – delivers the fastest serviceability through a “lid-less book design”Hot-swap – Supports hot-swap Half-length and Full-length I/O Books, power supplies, fans, hard drives
Resilient StackUpward Integrated Module for Rolling Firmware Updates -- allows clients to update all of a virtualized cluster of servers without affecting application availabilityUpward Integrated Module for RAS -- allows clients to proactively manage policies in responding to PFAs
20
© 2014 IBM Corporation
Bas
ic
12-15 CoresQPI: 8.0 GT/sUp to 37.5M cacheIntel® HT TechnologyIntel® Turbo Boost TechnologySMI Gen2: Up to 2666 MT/s2:1 DDR3:1333 MHz (max)1:1 DDR3:1600 MHz (max)
8-12 CoresQPI: 7.2 GT/sUp to 24M cacheIntel® HT TechnologyIntel® Turbo Boost TechnologySMI Gen2: Up to 2132 MT/s2:1 DDR3: 1066 MHz (max)1:1 DDR3: 1600 MHz (max)
8S/Scalable* 4S/Scalable* 2S/Scalable*
Frequency Optimized : HPC
Stan
dard
Adv
ance
d
*Scaling capability refers to maximum supported number of CPUs in a “glueless” platform (e.g.8S means that this SKU can be used to populate up to 8 sockets in a single system).. Above skus may be used in even larger than 8S systems through the use of 3RD party node -controllers (not available from Intel).++ Please refer to the memory population matrix table for detailed information on POR Slots-per-Channel (SPC) & DIMMS-per-Channel (DPC) combinations
Frequency Optimized : Enterprise/DB
6 CoresQPI: Up to 6.4 GT/sUp to 12M cacheIntel® HT TechnologySMI Gen2: Up to 2132 MT/s2:1 DDR3: 1066 MHz (max)1:1 DDR3: 1333 MHz (max)
8S/Scalable*QPI: 8.0 GT/sUp to 30M cacheIntel® Turbo Boost TechnologySMI Gen2: Up to 2666 MT/s2:1 DDR3: 1333 MHz (max)1:1 DDR3:1600 MHz (max)
Segment Optimized
8S/Scalable*QPI: 8.0 GT/sUp to 37.5M cacheIntel® HT TechnologyIntel® Turbo Boost TechnologySMI Gen2: Up to 2666 MT/s2:1 DDR3: 1333 MHz (max)1:1 DDR3:1600 MHz (max)
15C 130W2.5GHz 37.5M
15C 130W2.5 GHz 37.5M
15C 130W2.5GHz 37.5M
12C 105W2.3GHz 24M
12C 105W2.3GHz 24M
12C 105W2.3GHz 24M
15C 130W2.3GHz 30M
15C 130W2.3 GHz 30M
15C 130W2.3GHz 30M
10C 105W2.2GHz 20M
15C 155W2.8GHz 37.5M
15C 155W2.8 GHz 37.5M
15C 155W2.8 GHz 37.5M
12C 130W2.6 GHz 30M
8C 105W2.0GHz 16M
6C 105W1.9GHz 12M
E7-4890 v2
E7-4870 v2
E7-4880 v2
E7-4860 v2
E7-4850 v2
E7-4830 v2
E7-4820 v2
E7-4809 v2
E7-8890 v2
E7-8870 v2
E7-8880 v2
E7-8850 v2
E7-2890 v2
E7-2870 v2
E7-2880 v2
E7-2850 v2
10C 155W3.2GHz 37.5M
6C 155W3.4GHz 37.5M
E7-8891 v2
E7-8893 v2
15C 105W105W2.2 GHz 37.5M
High Performance,Low Power
E7-8880 L v2
12C 130W130W3.0GHz 30M
E7-8857 v2
21
© 2014 IBM Corporation
x3850 X6 Server Walk Through
22
© 2014 IBM Corporation
8x 2.5-in. or 16x 1.8-in. hot-swap drive bays
LCDpanel
4x Compute Books eachwith 2x dual motor fans
Videoport
USB 2.0port
Powerbutton
StatusLEDs
2x USB 3.0ports
x3850 X6 Front View - Overview
23
© 2014 IBM Corporation
4x hot-swappower supplies
Videoport
Serialport
4x USBports
IMM2port
3x PCIe slots(PrimaryI/O Book)
3x PCIe slots(I/O Book 1)(optional)
2x hot-swapdual-motor
fansMezz LOM(ML2) slot
3x PCIe slots(I/O Book 2)(optional)
x3850 X6 Back View - Overview
24
© 2014 IBM Corporation
Compute Book Details
x3850 X6 and x3950 X6 Compute Books are front accessible For technology refreshes you only need to update the Compute Book
Intel Xeon E7-4800 v2 or E7-8800 v2 processor
12x DIMM slots on right side of the Compute Book
12x DIMM slots on left side of the Compute Book
Two hot-swap dual-motor fans
25
© 2014 IBM Corporation
Storage Book Details
x3850 X6 and x3950 X6 supports 12Gb SAS through the use of adapters The SAS cards plug into the two PCIe slot located in the Storage Book Up to 8 2.5” HDD/SSD or 16 1.8” SSD
LCDpanel
Front USB 3.0 & Video port
2 PCIe slots for internal storage
controllers
Hot-swap drives – 1 or 2 of 4x 2.5” HDD/SSD bays 8x1.8” SSD bays
26
© 2014 IBM Corporation
Primary I/O Book Details
Contains the minimum set of I/O components to form a complete server.
USB port for hypervisor
Mezz LOMPCIe 3.0 x8 slot
PCIe 3.0 x16
PCIe 3.0 x16 (x8 wired)
PCIe 3.0 x16
Two hot-swap fans at rear
Top View with Air Baffle in place
27
© 2014 IBM Corporation
Half-Length I/O Book Details
28
The Half-Length I/O Book provides up to 3 PCIe slots each Up to 2 of these Books can be added to the 4-Socket configuration Each Half-Length I/O Book is Hot-Swappable
PCIe 3.0 x16 slot (x16 wired) (75W max power)
Two PCIe 3.0 x8 slot (x8 wired) 75W max power
© 2014 IBM Corporation
Full-Length I/O Book Details
The Full-Length I/O Book provides up to 3 PCIe slots each Up to 2 of these Books can be added to the 4-Socket configuration Each Full-Length I/O Book is Hot-Swappable The Full-Length I/O Book supports one high power PCIe card (GPU/Accelerators) with
a max power of 300W Two AUX power connectors provided to support 225W and 300W support
PCIe 3.0 x16 slot supporting double-wide adapters requiring up to 300W of power
PCIe 2.0 x8 slot (x4 wired)
2x4 aux power connector for 150W additional power
PCIe 3.0 x16 slot
2x3 aux power connector for 75W additional power
29
© 2014 IBM Corporation
The next generation of leadership for mission critical application deployment
on x86 systems
30
© 2014 IBM Corporation
AppendixeX5 to X6 Comparisons
31
© 2014 IBM Corporation
X6 Performance Compared to eX5 (SPEC CINT2006 Rates Baseline)
Basic
Ad
van
ced
Sta
nd
ard
SPECint*_rate_base 2006 scores
2238
2091
1959
1763
1511
1254
940
582
1100
1030
923
805
740
507
15C 130W2.5 GHz 37.5M
12C 105W2.3GHz 24M
15C 130W2.3 GHz 30M
10C 105W2.2GHz 20M
15C 155W2.8 GHz 37.5M
12C 130W2.6 GHz 30M
8C 105W2.0GHz 16M
6C 105W1.9GHz 12M
E7-4809 v2
E7-4860 v2
E7-4820 v2
E7-4830 v2
E7-4850 v2
E7-4870 v2
E7-4880 v2
E7-4890 v2
32
10C 130W2.0 GHz 24M
8C 105W 2.13 GHz 24M
6C 95W1.86 GHz 18M
10C 130W2.26 GHz 24M
E7-4830
E7-4807
E7-4850
E7-4860
10C 130W2.4 GHz 30M
E7-4870
8C 105W 2.0 GHz 18M
E7-4820
Up to 2x performance on typical general purpose high compute apps
Projections have been estimated with memory speed at 1333MHz for Advanced CPU category, 1066MHz for Standard CPU category, and QPI link at 7.2 GT/S for 8 sockets CPU
Intel® Xeon®
processor E7 family(WSM-EX)
32
© 2014 IBM Corporation
x3850 X5 x3850 X6 Benefits
Processor
Intel® Xeon® E7-4800/8800 v1 95W, 105W, 130W 6C, 8C, 10C
Intel® Xeon® E7-4800/8800 v2 105W, 130W, 155W 6C, 8C, 10C, 12C, 15C
2X higher performance from previous generation
Memory
64 / 96* DIMM slots 2 TB max memory 3 TB with MAX5 Memory
Drawer
96 DIMM slots 6 TB max memory 4GB/8GB/16GB RDIMM 32GB/64GB LRDIMM
Host larger In-Memory Databases
Host larger virtual machines
Internal
Storage
2.5” HDD – 8 SAS/SATA/SSD 1.8” SSD – 16 eXFlash
2.5” HDD – 8 SAS/SATA/SSD 1.8” SSD – 16 eXFlash Up to 32 eXFlash DIMMs (up to 12.8TB)
• 2X Higher I/Os per second – delivering higher throughput
• 3X Lower Latencies – delivering higher speed
Ethernet
Two 1 Gb Ethernet Dual 10 Gb Ethernet adapter
(fiber)
One 1GbE Management Port Mezz LOM Dedicated Socket with choice of ML2
cards: 4 x 1GbE Copper 2 x 10GbE SFP+ 2 x 10GbE 10BaseT
Selectable LOM technology to allow flexibility and choice as networking requirements change or grow
PCIe 7 PCIe slots 3 FH/HL 4 FH/FL
11 PCIe slots (2 front, 9 rear) Primary IO Book with two x16 and one x8 FH/HL Half-Length IO Book with one x16 and two x8 FH/HL Full-Length IO Book with two x16 and one x4 FH/FL Support up to two 300W cards
Flexibility and choice to deliver the right networking infrastructure
Ability to support the most demanding virtual desktop or graphics capabilities
Power 1975W Redundant Power Up to four 1400W/900W AC, 750W DC Flexibility to meet power and
cost requirements
Other
Ability to scale from 4-way to 8-way leveraging QPI Scalability Kit
Ability to scale from 4-way to 8-way cable-free Modular rack design
Ability to host multiple generations of technology in a single package
33
© 2014 IBM Corporation
x3850 X5 8-Way x3950 X6 Benefits
Processor
Intel® Xeon® E7-4800/8800 v1 95W, 105W, 130W 6C, 8C, 10C
Intel® Xeon® E7-4800/8800 v2 105W, 130W, 155W 6C, 8C, 10C, 12C, 15C
Single chassis, pay-as-you-grow capability from 4-way to 8-way
Memory
128 DIMM slots 4 TB max memory 6 TB with MAX5 Memory Drawer
192 DIMM slots 12 TB max memory 4GB/8GB/16GB RDIMM 32GB/64GB LRDIMM
Host larger In-Memory Databases Host larger virtual machines
Internal
Storage
2.5” HDD – 16 SAS/SATA/SSD 1.8” SSD – 32 eXFlash
2.5” HDD – 16 SAS/SATA/SSD 1.8” SSD – 32 eXFlash Up to 32 DIMM based Flash (up to
12.8TB)
• 2X Higher I/Os per second – delivering higher throughput
• 3X Lower Latencies – delivering higher speed
Ethernet Four 1 Gb Ethernet Two Dual 10 Gb Ethernet adapter (fiber)
Two 1GbE Management Port Mezz LOM Dedicated Socket with choice
of ML2 cards (2): 4 x 1GbE Copper 2 x 10GbE SFP+ 2 x 10GbE 10BaseT
Selectable LOM technology to allow flexibility and choice as networking requirements change or grow
PCIe 14 PCIe slots 6 FH/HL 8 FH/FL
22 PCIe slots (4 front, 18 rear) Two Primary IO Books with two x16 and
one x8 FH/HL Up to two Half-Length IO Book with one
x16 and two x8 FH/HL Up to two Full-Length IO Book with two
x16 and one x4 FH/FL Support up to four 300W cards
Immense IO capability with 22 PCIe slots and PCI Gen3 speeds and bandwidth
Ability to support the most demanding virtual desktop or graphics capabilities
Power 1975W Redundant Power Up to 8 x 1400W/900W AC, 750W DC Flexibility to meet power and cost
requirements
Other Scalability through QPI Cables Multi-asset management
Cable-Free, Glue-less scalability Single Chassis, Single point of control,
Single Serial
Scalable performance Ease of management34