Hot Topics Seminar

chirpskulkInternet και Εφαρμογές Web

3 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

62 εμφανίσεις

Portsmouth Business School

Hot Topics Seminar

Cloud Computing

By

Phil Nicholls, MD Emerge IT Ltd

Cloud Computing


Topics to be discussed today



Background




The
fear
of losing data in the
Cloud



Does
the Cloud really save you money?



Lessons from Cloud
computing in the



Real
World!


Background



Emerge provides ERP solutions to SME’s



Experience
in server
provision & Cloud services



ERP = the big challenge to Cloud

Cloud Computing

Jargon

RAID

Redundancy

Disaster
Recovery

Fail
-
over

Backup

Cloud
Computing

Hosting

SaaS

Rental or
leasing

PaaS

IaaS

SLA

Jargon

RAID

Redundant Array of Independent (inexpensive) Disks

Cloud Computing

Accessing computing power

on remote computers via
the Internet

SLA

Service Level Agreement

Redundancy

Duplicated resources

Fail
-
over

Ability to automatically use a secondary resource when
the primary one fails

Disaster Recovery

Ability to get up and running again asap

SaaS
,
IaaS
,

PaaS

Software/Infrastructure/Platform as a Service

Rental or leasing

Paying repeated (smaller) sums over longer periods

Hosting

Providing Internet connected servers for clients’
r敱uir敭敮瑳

Bac歵p

卡ving your da瑡 on r敬iabl攠m敤ia in cas攠your s敲v敲s
fail

Losing your stuff


Access to Cloud storage is no different to
access to storage on your PC


Risk of your in
-
house server crashing
vs

a
cloud providers server crashing


Impact
of your in
-
house server crashing
vs

a
cloud providers server crashing


Level of technology: Yours
vs

Theirs

Will it save you money?


Sometimes, yes, sometimes, no


But it will prevent you from spending it all
upfront


You don’t necessarily pay less, but you pay
different people for different things


Balance Sheet
vs

P&L


Make sure you think of everything


Will you be changing your software often?


Will your staffing levels fluctuate wildly?

Cloud in the real world

Real life examples


New ERP solution


15 user system (£30,000)


Implementation consultancy (£30,000)


Server hardware (£9,000)


Total 1
st

year investment £69,000


Annual investment thereafter
-

£4500


Software maintenance

Cloud in the real world

Real life examples
-

new
ERP solution


Hosted/
SaaS


Licences per year £667 p.m. (£8,000 p.a.)


Implementation consultancy (£30,000)


Server hardware £250 p.m. (£3,000 p.a.)


Total 1
st

year investment £41,000


Annual investment thereafter
-

£11,000

Cloud in the real world

Real life examples


new ERP solution


Year 1

Year 2

Year 3

Year 4

Year 5

Year 6

Year 7

Year 8

Conventional

69000

4500

4500

4500

4500

4500

4500

4500

Cumulative
Conventional

69000

73500

78000

82500

87000

91500

96000

100500

Hosted/
SaaS

41000

11000

11000

11000

11000

11000

11000

11000

Cumulative

Hosted/
SaaS

41000

52000

63000

74000

85000

96000

107000

118000

Cloud in the real world

Real life examples


Office


Per
user
purchased (£220)


Per user per month Office 365 (£8.40)


Annual Office 365 charge (£100.80)


If you keep your Office application for more
than 2 years, the Cloud version is more
expensive

Cloud in the real world

Conclusions


Cloud computing and
SaaS

has its place


Like any other investment you must consider
your situation carefully and decide what your
requirements are, long
-
term as well
as short
-
term


Cloud computing is a new exciting world, but
make sure you understand why you are
jumping in before you do

Cloud in the real world

Thank you