Kim Davis - The difference between IaaS, Paas, and SaaS is incremental. I-a-a-S is usually contracting for "the whole enchalada" while S-a-a-S is getting access to a specific application. Things get a little blurry inbetween, with some vendors "bending" P-a-a-S to meet their own product offering definitions.
There are a number of improvements the long-lines providers are implementing (like MPLS) to make the process more efficient. However, most of the time it comes down to "last mile" decisions and how much each organization is willing to "pony up" for services.
Is there anything that enterprises can do to assure connectivity between their LANs and the cloud service provider? (This seems to me to be related to the "last-mile" problem in Internet service provision.) Or is this entirely up to the telcos?
Another problem with new technology is cost. It is possbile to put a huge amount of cable in the ground (with almost infinite bandwidth), but how much would need to be charged for it? On the side of telephone poles and cables, they have all been amortized off the books many years ago, so costs are low.
You mentioned Sandy: There's a big debate, for example, over whether or not to replace telephone poles with more telephone poles and electric poles -- or put them underground. We went thru that here in FL after our four-hurricane season. Guess what: Many are still above ground because it's cheaper, short-term, although less efficient, more dangerous, and more expensive long term.
for WAN & LAN it's not just about capacity (how much data) and speed (how fast - latency) it's also about the effectiveness of the protocols and client/server applications - a poor LAN application and/or service will still be a poor cloud application or service
One thing that is needed industry-wide is the upgrading of aging transmission infrastructure that has been in place for decades. When I was on a project in India, I was surprised to see how far ahead of us they were with cell phone technology. The answer was simple - they didn't have to factor in all those telephone poles and wire streached from coast-to-coast. New technologies need new, more capable infrastructures to support them
WAN bandwidth is always a consideration. Recently we attended a presentation by AT&T, which made bandwidth consumption predictions that were simply staggering! This is an area of technology that needs further attention if I-a-a-S is to blossum.
It's difficult to specify the main performance indicators without knowing what specifically is important to your organization. Certainly performance, security, capacity, scalability, etc. are on most companies lists, but there are other things that may be specific to each organization too. (such as HIPPA compliance metrics for medical providers)
many communication lines run along railroad right of ways in the US... consider how much area that covers - that's why the datacenter I visited had some great connectivity to a very high-speed network.
SPRINT - Southern Pacific Railroad Internal Network Telecommunication - Southern Pac's communication lines actually went along the railroads and covered a large region of the country - so led to a lot of coverage for actual telephony
labnuke - That's fascinating. The Internet's infrastructure is built on some very old technology indeed. Intercontinental cables are located in the same places that intercontinnential telegraph cables were laid in the 19th Century.
recently visited a new $15 million datacenter that is just going into service - this hardened datacenter was built in a location where autos were built in the 40's-60's... the power and communication infrastructure really made the location very attractive... repurposing old manufacturing areas can be done and lead to improved economic conditions - it just changes the skill sets needed and long-term focus of the region
I am a fan of microturbines. I am glad some data centers are using these natural gas engines to cool/heat and power their data centers. If I remember right the internal combustion engine thermal efficiency is about 30%, turbines about 60%.
Since the pc market seems to be drying out, will the infrastructure as a cloud service and other cloud services help out microsoft and intel? Or are the clouds mostly using non-MS and non-Intel blade servers?
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