Cloud Computing and SOA Convergence in Your Enterprise: A Step ...
Cloud Computing and SOA Convergence in Your Enterprise: A Step ...
Cloud Computing and SOA Convergence in Your Enterprise: A Step ...
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232 Index<br />
BPM, cont<strong>in</strong>ued<br />
semantics, 140–141<br />
shared processes, 142<br />
specialized processes, 143<br />
as a strategy, 130–131<br />
as a technology, 129<br />
value of, 139–141<br />
workflow tools, 141<br />
Browser as user <strong>in</strong>terface, fitness criteria for clouds,<br />
188–189<br />
Bus<strong>in</strong>ess case for clouds. See also Adopt<strong>in</strong>g clouds.<br />
steps <strong>in</strong> creat<strong>in</strong>g, 75–79<br />
typical contents, 78–79<br />
Bus<strong>in</strong>ess case for clouds, factors<br />
access to <strong>in</strong>novative technology, 74<br />
adapt<strong>in</strong>g to change, 73<br />
agility, 72–74<br />
contracts, 68<br />
costs, checklist of, 66–67<br />
degree of change over time, 73<br />
downsiz<strong>in</strong>g on dem<strong>and</strong>, 69<br />
exist<strong>in</strong>g resources, 68<br />
hidden costs, 64<br />
IT, cost complexity, 64<br />
operational cost reduction, 62–66<br />
preserv<strong>in</strong>g capital, 67<br />
relative value of change, 74<br />
reuse, 72–74<br />
risk of gett<strong>in</strong>g dumped, 71–72<br />
scalability, 68<br />
service tiers, 68<br />
shift<strong>in</strong>g risk, 69–71<br />
soft costs, 64<br />
upsiz<strong>in</strong>g on dem<strong>and</strong>, 68<br />
value dimensions, summary of, 62. See also specific<br />
dimensions.<br />
Bus<strong>in</strong>ess process automation (BPA) tools, 141<br />
Bus<strong>in</strong>ess process eng<strong>in</strong>e, 129<br />
Bus<strong>in</strong>ess process eng<strong>in</strong>e <strong>in</strong>terface, 129<br />
Bus<strong>in</strong>ess process management (BPM). See BPM<br />
(bus<strong>in</strong>ess process management).<br />
Bus<strong>in</strong>ess process monitor<strong>in</strong>g, 129<br />
Bus<strong>in</strong>ess solutions. See Process-as-a-service.<br />
C<br />
C<strong>and</strong>idate services, 113–115<br />
Capital. See also Costs; Return on <strong>in</strong>vestment.<br />
def<strong>in</strong>ition, 67<br />
preserv<strong>in</strong>g, bus<strong>in</strong>ess case for clouds, 67<br />
Capital, def<strong>in</strong>ition, 67<br />
Case study, cloud comput<strong>in</strong>g. See Blue Mounta<strong>in</strong><br />
Hammocks.<br />
Change, bus<strong>in</strong>ess case for clouds<br />
adapt<strong>in</strong>g to, 73<br />
over time, 73<br />
relative value of, 74<br />
Chang<strong>in</strong>g components, loosely coupled architecture, 119<br />
<strong>Cloud</strong> comput<strong>in</strong>g. See <strong>Cloud</strong>s.<br />
<strong>Cloud</strong> providers. See also Platform selection.<br />
analyz<strong>in</strong>g c<strong>and</strong>idates, 209–210<br />
application-as-a-service providers, 207<br />
availability, 26<br />
capabilities, 200–202<br />
coarse-gra<strong>in</strong>ed, 200<br />
DaaS (database-as-a-service), 42, 206<br />
ease of switch<strong>in</strong>g, 210–211<br />
failure recovery, 210<br />
f<strong>in</strong>e-gra<strong>in</strong>ed, 199–200<br />
frequency of outages, 206<br />
governance, 152, 208<br />
granularity, 198–200<br />
<strong>in</strong>frastructure-as-a-service, 207<br />
list<strong>in</strong>g c<strong>and</strong>idates, 204–209<br />
mak<strong>in</strong>g the selection, 210–211<br />
management, 208–209<br />
performance, 207–208<br />
platform-as-a-service, 207<br />
policies, 211<br />
private clouds, 213–214<br />
process-as-a-service, 207<br />
reliability, 206<br />
security, 207–208<br />
select<strong>in</strong>g, 152<br />
service-level agreements, 210<br />
services, 207<br />
storage capacity <strong>and</strong> performance, 205–206<br />
test<strong>in</strong>g c<strong>and</strong>idates, 209–210<br />
viability, 210<br />
<strong>Cloud</strong>s. See also <strong>SOA</strong> (service-oriented architecture).<br />
advantages of, 23–24<br />
vs. build<strong>in</strong>g it yourself, 24–25<br />
comb<strong>in</strong><strong>in</strong>g resources, 25<br />
comb<strong>in</strong><strong>in</strong>g with <strong>SOA</strong>, 14–18<br />
commoditization of b<strong>and</strong>width, 26<br />
components, 11–13. See also specific components.<br />
def<strong>in</strong>ition, 9, 22–23<br />
evaluat<strong>in</strong>g suitability of. See Fitness criteria.<br />
fitness criteria, 33–35<br />
justify<strong>in</strong>g. See Bus<strong>in</strong>ess case for clouds.<br />
key characteristics, 9<br />
vs. local host, 29<br />
location-<strong>in</strong>dependent resource pool<strong>in</strong>g, 9<br />
new features, 25–26<br />
on-dem<strong>and</strong> self-service, 9<br />
outside the firewall, 26–27<br />
pay per use, 9<br />
providers, 26<br />
rapid elasticity, 9<br />
return on <strong>in</strong>vestment, calculat<strong>in</strong>g, 28<br />
time-shar<strong>in</strong>g resources, 25<br />
ubiquitous network access, 9<br />
<strong>Cloud</strong>s, benefits. See also <strong>Cloud</strong>s, drawbacks.<br />
cost, 29–30<br />
environmentally green, 31<br />
exp<strong>and</strong>ability, 30<br />
<strong>in</strong>novation, 30