The topic of Green UC in the Enterprise IT space has waxed and waned over the last couple years, primarily due to 2 factors: 1.) The viability of Green technology as it applies to Enterprise UC requirements ("fit for use") and 2.) Perceived and real economic advantages - ROI/Payback of the solution. I believe this approach to improving the sustainability of ones Green UC footprint is constrained by efforts to measure UC and accompanying Endpoints as standalone elements unto themselves, as opposed to its existence within a much larger Enterprise IT and Building Operations ecosystem.
To begin - the need for greater applications, speed and flexibility is pushing UC endpoints to be more power hungry as opposed to less. Competing interests are at play: ie Feature Rich vs. Clean. This makes perfect sense as USB interfaces, Bluetooth compatibility, Imbedded Video (Tandberg) all require a higher amount of power (Class 4 power rated as opposed to legacy Class 3). If measured solely on this basis it would appear that there is negative movement on UC's ability to reduce its power consumption requirements.
A marriage of industry trends and practices, vertical and competitive norms and client specific design will allow for the most effective approach to your UC Green effort.
Cisco UC has ROI Calculatorsdeveloped and certified by a Domani (An industry leading environmental consulting firm). The UC investment payback period for most customers is very rapid (many are less than one year). As competitors still work to paint Cisco as inefficient be aware of the inaccuracy in most product comparisons:
Generic power consumption figures (15.4Wat idle instead of 3W at idle)
Inaccurate power consumption costs
Testing results/test figures
So - how do you create an environment which marries the best of breed concepts in Green that will allow for the application/productivity support required while at the same time maximizing your green potential? In short - The Network. By realizing that UC is a component of the overall network AND Cisco has developed applications to maximize its efficiency you can best approach your Green Unified Communications Goals. Examples of the Network Lead Approach include:
IP Phone Features - Cisco has multiple features imbedded in Communications Manager (Call Manager) and its various endpoints to maximize their energy efficiency including:
Cisco Unified IP Phones leveraging CDP: with CDP Cisco enpoints can more accurately negotiate switch power requirements
In addition to the tools and software the appropriate network design and hardware component should be leveraged:
Building Control and Power Consumption: Cisco Network Building Mediator is the industry's first solution that extends the network as a platform to transform the way buildings are built, operated, and experienced. The Mediator provides a network-based framework that interconnects four key systems: building, IT, energy supply, and energy demand. The integration of these disparate systems onto an IP network leads to a truly converged, energy-efficient building.
Integrated Router and Switching Platform:
ISR platform can consolidate several disparate devices (router, switch, application acceleration device, and wireless access point, etc.) into a single platform, reducing the physical space requirements
Individual modules can be powered off when not in use
Reduces overall management expense through the elimination of support for several network devices vs. 1
Ideally suited for branch office deployments and should be leveraged for UC design where possible
The ability to drive energy efficiency within the Unified Communications space requires a seamless integration of endpoint needs, network architecture, building operations and operational efficiency/auditing. The overall design and delivery needs to drive towards a Network centric architecture in order to drive the highest degree of "Green". This space continues to grow and evolve which will require the practitioner to grow and evolve their understanding of Green and its ability to interact with UC and the Network.
Greetings, I was wondering if anybody has any guide or something for CUCM migration from v8.x to the newest version of the CUCM (v14).Looking forward to your replies, thanks a lot in advance. Kind regards, Ermir.
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