Infrastructure

Is your cloud infrastructure provider the “Hotel California”?

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Cork, Ireland

Remember the song from the Eagles from 1970’s “Hotel California,” quoting their lines: “We are all just prisoners here, of our own device…. we are programmed to receive. You can check out any time you like, but you can never leave! ”

For many companies, their cloud infrastructure portfolio has matured from a few servers to enterprise level applications on cloud. As a company’s dependence on their cloud provider has grown, the provider oftentimes has not been able to keep up with advancing technology. While it might be time to migrate to a more innovative cloud provider, many companies realize how challenging migrating will be. Just like the lyrics from the song “Hotel California”, you can try to check out but you can never leave.

IBM’s Cloud Migration Services solves this problem with a robust migration strategy.

Here are the top six technical challenges of migration from IT perspective and how to resolve them:

1. Application software reinstalls

Customers evaluate migrating verses re-installing software based on the availability of application skills. Migration based on 1:1 OS image migration is available from IBM, reducing risk for the customer. When the application software code is not available, image-based migration provides a tremendous advantage to customers.

2. Performance

Performance is key to the decision to migrate to new vendor. Migration provides the flexibility to upgrade from old hardware to faster, standardized cloud-enabled hardware. The bandwidth and latency for the new network connection to the cloud should be at least the same and ideally better.

3. Host name embedded into code

During capacity reservation and rebuilding of the virtual machines, it’s possible to have the same host and domain name as source, reducing effort at the application/code level. In a few cases, the IP number is hard coded into the code in which selective updating is required.

4. Customization vs. standardization

As part of application code migration, all custom settings and application configuration come automatically to destination side. An effort to re-mediate the OS to standards should be  undertaken to maintain information security controls and SLA’s (Service Level Agreement).

5. Data synchronization

Migration of a transactional database without the loss of data and minimum cut-over time is key to a successful migration. During migration strategy discussion database instances that requires synchronous data feeds needs to be determined. A high speed network link may be essential to a successful production cut-over when it comes to large databases of DB2, Oracle, and SQL-SVR.

6. The unknown

There may still be many unknowns, like specific jobs or batch processes that only your current hosting partner knows. This is where you can bring in cloud managed services to help in technical management of the application. It provides standard service descriptions and responsibility assignment matrixes (RAM or RACI) to managed ERP application of SAP, Oracle, Database and middleware products.


 

More information about IBM Cloud managed services.

IBM Cloud

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