FEATURE
WAN charges there can be additional costs for connecting to the public cloud using services such as Microsoft ExpressRoute . These solutions offer a high level of security and SLAs but there are costs , depending on the port size required .
Building the business case
Doing the preparation work for enabling hybrid cloud solutions can be challenging – one size does not fit all . Consideration must be given to how your business will manage the hybrid environment and the hardware , network and storage necessary . The hybrid cloud needs to accommodate specific business needs and must seamlessly operate across onand off-premises platforms .
Be mindful of ‘ supplier lock-in ’ – ensure that your hybrid cloud implementation costs don ’ t spiral out of control . Have a clear understanding of data transfer costs between private and public clouds as data egress volumes can increase dramatically depending on the application . Most public cloud provider pricing models are for data egress as well as data storage – the decision on how you engineer the two parts of the solution is vital to keeping costs down .
A typical hybrid application will use the public cloud as a front-end transaction while the private cloud is used for the actual transaction processing .
As an example , it is not advisable to run disk-level I / O operations across a cloud boundary as this will increase data egress charges from the public cloud provider .
Therefore , most enterprises will put regulatory reporting , planning and analytics in the data centre or private cloud as well as the database because it reduces data egress charges considerably . If the database is
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