A cloud com­put­ing plat­form that op­er­ates be­hind the cor­po­rate fire­wall and within con­trol of the or­gan­i­sa­tion's IT depart­ment may be termed a pri­vate cloud. In this ar­ti­cle, the au­thor makes a case for pri­vate clouds and their im­pact on the fu­ture of clou

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Typ­i­cal IT en­vi­ron­ments con­sist of com­pute, stor­age and net­work re­sources du­pli­cated across many busi­ness units in the same or­gan­i­sa­tion. Of­ten, re­sources are un­der-utilised and wasted due to over­pro­vi­sion­ing, or ap­pli­ca­tion per­for­mance suf­fers due to the un­der-pro­vi­sion­ing of re­sources.

Cloud com­put­ing in­cludes a spec­trum of many de­ploy­ment mod­els. Some thought lead­ers call the pri­vate cloud a mar­ket­ing term for a pro­pri­etary com­put­ing ar­chi­tec­ture to work with the ex­ist­ing data cen­tre re­sources for bet­ter util­i­sa­tion and agility, while oth­ers have re­alised the im­por­tance of the pri­vate or in­ter­nal cloud.

The pri­vate cloud of­fers sev­eral ben­e­fits such as au­to­ma­tion, self-ser­vice, agility, ef­fi­ciency, se­cu­rity, bet­ter re­source util­i­sa­tion, and faster time to mar­ket. A com­bi­na­tion of the pub­lic and pri­vate or vir­tual pri­vate cloud mod­els can be used to ad­dress dif­fer­ent re­quire­ments. So let’s look at why the pri­vate cloud is re­ally a cloud, and how the fu­ture sce­nario in the cloud space will de­pend on the in­creas­ing adop­tion of the pri­vate cloud.

Highly re­li­able and fault tol­er­ant in­fra­struc­ture is the solid base of a pri­vate cloud. Its de­ploy­ment cap­tures the es­sen­tial char­ac­ter­is­tics of pub­lic and part­ner-hosted clouds. Pri­vate clouds al­low or­gan­i­sa­tions to main­tain to­tal con­trol over their in­fra­struc­ture, ap­pli­ca­tions and data. They deliver many ben­e­fits of the pub­lic cloud such as agility, faster time to mar­ket, au­to­ma­tion, elas­tic­ity, higher lev­els of over­all ap­pli­ca­tion avail­abil­ity, re­li­a­bil­ity, self-ser­vice, scal­a­bil­ity within a limited range and pool­ing of shared in­fra­struc­ture.

So if pub­lic cloud ser­vice providers can deliver ser­vices ef­fi­ciently and re­alise all the ben­e­fits men­tioned ear­lier, why can’t or­gan­i­sa­tions them­selves achieve the same re­sults, with ex­ist­ing ex­per­tise, in­vest­ment in re­sources and the avail­abil­ity of pri­vate cloud prod­ucts that can help them build a cloud en­vi­ron­ment be­hind the fire­wall, and with com­plete con­trol?

The pri­vate cloud pro­vides cloud in­fra­struc­ture in-house, en­sures the or­gan­i­sa­tion has con­trol of re­sources, be­sides en­sur­ing more se­cu­rity, pri­vacy and com­pli­ance to reg­u­la­tory re­quire­ments. It also needs cap­i­tal in­vest­ment and ex­per­tise to build and main­tain a pri­vate cloud in­fra­struc­ture.

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