Building software defined clouds - Boyan Ivanov

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Tactical advice on building software-
defined clouds

Image by theaucitron
Software-defined – why, what, how
…and not “marketing-defined”

“Software Is Eating The World”
Then Now
Image by Erik (HASH) Hersman
Image by Michael Casey
Image by Alfred
Image by Remko...

Single hardware platform. SW defined.

“Software Is Eating The World” – Indeed. True.
Image by Bob Mical
Image by derfian
Software
+
Leonardo Rizzi Image by Bob ...

Infrastructure is not going away…
…but it’s becoming “software defined”
Image by is van Zuijlekom
Cloud = hardware + softw...

BUT WHY?!
Because, innovation in the
Cloud/IT stack can be used:
1. As a competitive advantage
2. To directly boost your b...

Types of companies there are on the market
The Disruptor
The “Me too”
The Innovator
The Laggard

Examples: AMZ, GOOG,
Digital Ocean
The Disruptor
Takes an industry by storm. Hard to
emulate and repeat.

The Innovator
The Leaders on the market are built
this way!
Innovates systematically.
Constantly improves business
process...

“I use Tier 1 vendors, thus I am a Tier 1
provider”.
The “Me too”
Valid strategy for the very high end of the
market or sp...

The Laggard
Resistant to change
Do not have the vision, mindset & strategy
Catch-up or close / sell the “business”
Example...

Diffusion of Innovation & Chasm
The
Disruptor
The Innovator
The “Me too”
The Laggard
Chasm
Source: https://en.wikipedia.or...

Hype vs. Stacks
OpenStack CloudStack
Source: http://weblog.tetradian.com/2015/09/16/big-consultancies-and-bridging-the-cha...

Building a Cloud – stacks & business case
Traditional Stack:
Branded servers
Cisco / FC network
VMware / Hyper-V
Storage b...

Components: Servers (Compute)
Component Unit Dell OEM Diff.
CPU
(Xeon Gold 6148 – 20
cores)
$/core $150 $155 same
RAM
(32G...

Components: Network
Dell Z9100-ON 128-port
with FTOS/DNOS
White box 128-port 25G
with Cumulus Linux
$36k / $281/port $10.5...

Is the Network a bottleneck? No!
Latency test: UDP round-trip (ping) from an un-optimized application, all
numbers in us (...

Components: Storage / SDS
SAN
Old
stack
New
stack
AFA arraysZFS (SDS 1.0) Ceph SDS 2.0
Example for 25 TB usable (50+ TB pr...

Components: SDS Storage
Best-of-breed SDS: just 12x Intel P4500 NVMe
Read more: https://storpool.com/blog/storpool-storage...

Components: SDS Storage
Best-of-breed SDS: just 12x Intel P4500 NVMe
Read more: https://storpool.com/blog/storpool-storage...

Components: Hypervisors
Alternatives:
KVM
Xen / XenServer / Citrix Hypervisor
VMware / HYPER-V

Components: Cloud Management
Alternatives:
CloudStack
OpenNebula
OpenStack
OnApp
Proxmox
Custom: scripts + libvirt/virsh

Putting it all together: entire Cloud
reference design for free here:
www.storpool.com/ROI

Other Tactical tips (1)
Other ideas on squeezing extra returns:
 For hypervisors: use higher density hypervisors with
32-...

Other Tactical tips (2)
 Switches: 25/50/100 GE there are many very good
price/quality options – (Mellanox, QCT, Arista, ...

Other Tactical tips (3)
 “Software-defined” technologies are only as good as
the hardware (HW) they run on. For consisten...

Other Tactical tips (4)
 Look for end-to-end data-integrity functionality in
SDS products. Maybe the most critical featur...

Q&A
StorPool Storage
info@storpool.com
www.storpool.com
The best storage when building a cloud.

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