Table 7 Community cohesion across firms competing for the same revenue stream
Competing revenue stream | Revenue stream description | Competing firms | \(\frac {\stackrel {\text {DO}}{\mathrm {n}(\alpha _{i})}}{\text {den}(\alpha _{i})}\) | \(\frac {\stackrel {\text {DO NOT}}{\mathrm {n}(\beta _{i})}}{\text {den}(\beta _{i})}\) |
|---|---|---|---|---|
Complementary services | Firms providing specialized support, maintenance, integration, customization, testing, consulting, etc. | ALL TOPTEN | \(\frac {136}{1}\) | \(\frac {0}{\text {UND}}\) |
Complementary software | Firms providing software embedding OpenStack or complementary drivers and plug-ins. | IBM, VMware, Nebula, Cloudscaling, Red Hat, Citrix, Canonical |
|
|
Complementary hardware | Firms providing hardware targeting OpenStack installations. | IBM, HP, Nebula |
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Distribution and support | Firms distributing OpenStack with enterprise support (for a fee). | Red Hat, IBM, HP, VMware, Canonical |
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Public cloud services | Firms providing OpenStack based public cloud services such as hosting. | HP, Rackspace, Canonical |
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