Storage prices,10x20 shed plans pdf,10 x 12 shed plans with loft - PDF Review

20.04.2014, admin  
Category: How To Build A Shed Foundation

Rivals Amazon and Google both announced steep pricing cuts to their cloud storage services today. This seems to be a bit of a pricing war: Google already cut prices by 20 percent earlier this week and then followed up with an additional 10 percent cut today to stay under Amazon's new pricing. Google Cloud Storage's latest price is 8.5 cents per gigabyte per month for the first terabyte. With storage prices dropping and companies like Google and Amazon leveraging economies of massive scale, customer prices are likely to continue moving downward.
I presented our paper The Economics of Long-Term Digital Storage (PDF) at UNESCO's "Memory of the World in the Digital Age" Conference in Vancouver, BC. Although about 70% of all bytes of storage produced each year is disk, both tape and solid state are alternatives for preservation. Based on recent history and projections of future trends we can be fairly confident that the period when storage costs dropped rapidly is over at least for the medium term.
Thus, as a component of overall models of the cost of preservation, we need a more sophisticated model of storage costs.
Or it can be endowed, as with Princeton's DataSpace, which requires data to be deposited together with a capital sum thought to be enough to fund its storage "for ever".


Comparing different technologies for long-term storage requires comparing different sets of expenditures at different times. Here we apply the model to compare Amazon's S3 storage service to local storage, based on the cost figures published by the Backblaze PC backup service. Amazon has the vast majority of the market and is under no competitive pressure to reduce prices. Amazon's Simple Storage Service (S3) prices are dropping 24 percent to 28 percent while the price of Google Cloud Storage has been cut more than 30 percent in the past week.
That was before the floods in Thailand destroyed 40% of the world's disk manufacturing capacity and doubled disk prices almost overnight. Properly exploited, they could result in enough lower running costs to justify use for long-term storage too. The second of which includes storage media, which are replaced when their service life is over or when newer media have costs low enough to justify migrating out of the old media into them. In addition to the price cut already mentioned, Amazon is also lowering prices for its Reduced Redundancy Storage and Elastic Block Store services. Prices are still about 60% more than they were before the floods and they are not expected to return to pre-flood levels until 2014.


Amazon prices S3 against the value it delivers to the majority of customers, not against their cost. Buying from a commercial cloud storage service means you are the mercy of the service's decision as to how quickly to drop prices. But these costs are almost completely per-drive, not per-byte, so the total per-byte cost drops in line with media costs, meaning that customers got roughly double the capacity for the same price every two years. But digital preservation is the canonical example of an application with a stable, predictable demand for storage.
If storage is 5% of your IT budget this year, in 10 years it will be more than 100% of your budget. S3's pricing model is inappropriate for this, as Amazon has acknowledged with their recent announcement of Glacier, a different service with a different pricing model that is aimed at the digital preservation market. If you're in the digital preservation business, storage is already way more than 5% of your IT budget.



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