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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

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