Cloud Computing: Factors to Consider for Effective Remote Server Administration
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This article discusses the factors to consider for effective remote server administration in cloud computing. It covers the tools, access portal, latency, automation, and more. It also provides a checklist for successful e-mail migration to AWS.
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Running Head: CLOUD COMPUTING1 Cloud Computing Name Date
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CLOUD COMPUTING2 Question5 One of the most important factors the firm will have to consider to achieve effective remote server administration in its new architecture is to have the right tools for the task, and have a suitable remote server administration system with secure API’s (Sathyan, Narayanan, Narayan, & Vallathai, 2012, p.485. Further they must consider the details of managing the SLA so that it is effective and meets their needs, rather than the needs of the cloud service provider. The remote administration mechanism offers tools as well as under interfaces to external administrators of cloud resources to enable effective configuration and administration. The access portal must also be a major consideration, especially given the inherent security risks as the portal will be used for managing resources, billing management, and SLA management (Chapple, Seidl, & John Wiley and Sons, 2016, p.437). The cloud provider provides the APIs and tools for a remote administration system for developing and customizing online portals to enable the client perform various administration tasks. As such, the firm will have to ensure they have a portal for usage and administration; this is a general purpose portal to enable centralized control of management of cloud based resources, and a self-service portal. Because the server will be administered remotely over networks, the issue of latency must be given due consideration; latency is an important issue because any connectivity problems with the server and administrator can result in slow or impaired remote server administration (Shiraz, Gani, Khokhar, & Buyya, 2013). As such, tools for remote administration ought to be given priority; such tools can give alerts and warnings that enable the administrator to take intervention action before there is a server failure. \people and their responses are another important factor to consider in remote server administration, more than even the remote administration technologies; hence Regional gardens needs to have robust policies and procedures that are measurable to ensure server issues are addressed by on site personnel promptly and as soon as various software tools gives alerts of impending issues (Bigelow, 2017). Regional Gardens also ought to consider automation tools to, for instance, prevent idle times at off peak hour and ensure unnecessary resources are turned off when they are not needed. The following checklists will ensure Regional gardens is able to effective achieve remote server administration; it is based on Morad and Dalbhanjan’s operational checklists Security; IAM users, instance security, and nested security groups. There is need to use identity access management (IAM) to provide user specific credentials instead of shared credentials when making requests to the cloud infrastructure (Garber, Malik, & Fazio, 2013). Operational use of the cloud on backed instances, store backed instances, and separate data volumes as well as dynamic addressing. Regional Gardens must understand the cloud backed
CLOUD COMPUTING3 instances and what instances are store backed and choose the most appropriate storage type with the guiding principle being their implications to data backup and persistence as well as data recovery. Further, the issue of dynamic IP addressing must be taken into consideration to ensure that applications continue to function seamlessly upon restarting of the application components. There is need to ensure separate cloud storage volumes are used for applications and databases and separate ones for the operating system whenever this is possible (Amazon Web Services, 2013). Backup and Recover; Regional Gardens must consider how regular backups will be achieved and this requires the use of a suitable tool for backups. The process for recovery in the event of a problem must be tested regularly to ensure it is up to scratch. Plans must be made to have critical applications components in multiple zones of availability with data replicated across these zones with failure tests done so that there is continuous availability Considerations for mapping custom names with user account access controlled via the operating system. Billing and account governance must be considered, in relation to SLA management with an approach suitable for Regional gardens; for instance, will multiple accounts be used for billing? Security and access management concerns must be considered as well with a suitable API and data access management strategy (Antonopoulos & Gillam, 2017) There should be an elaborate strategy for identification and tracking of the cloud provisioned resources under the asset management strategy (Hashimoto, 2015). How will high availability be ensured for applications and disaster recovery plans? A method for incident monitoring and management with appropriate tools to use for the monitoring of cloud provisioned resources. Regional gardens must have a robust strategy for the configuration and management of changes for cloud resources based on their needs The firm must also consider the strategy it will use in integrating application release and deployment so that it is aligned with its strategy for change management and configuration. Question Six Process Steps for E-mail Migration and Possible Issues that may Arise Migration of the e-mail server to the AWS requires that various factors are given consideration and then suitable steps followed for successful migration. There must be consideration for the DNS, internal servers using STMP, how users access their e-mails, default e- mail policies, and an audit of mobile devices with e-mail access; after this, a defined process should be followed for successful migration (Hord, Plumley, & Hendrickson, 2018). An appropriate method for migration must be chosen based on the present e-mail server system for instance; Exchange Server supports three migration types, namely cutover migration, IMAP
CLOUD COMPUTING4 migration, and hybrid migration. In the circumstances, the hybrid migration should be considered to ensure no data loss during migration because it is also more flexible An accurate estimation of the required time for migration should be made for a smooth migration. With a hybrid migration, users can be migrated to the AWS in batches and the best practice is smaller batches considering the possible throughput (Posey, 2015) Ensure the necessary migration infrastructure is in place to support a smooth migration. For an exchange server migration, a server supporting active directory federation services is needed to handle identity management in the two environments. A physical server is needed because using virtual servers, although possible, tends to cause problems with performance (Posey, 2015) Implement a multi stage pilot migration so as to test the entire process before undertaking the main migration. This is a migration test that will help unearth any possible problems that may be experienced and solutions developed upfront. This should be followed by another test before making the final migration to ensure there are no problems, such as data loss or delays, even incompatible formats (Ramirez, 2017). Care should be taken, with a backup plan, so that existing functionality is not adversely impacted (Posey, 2015). The result of not taking appropriate measures are that the functionality of the mail servers will be adversely affected, meaning that users will not be able to use their e-mails during the migration period. Steps must be taken to ensure continuity even as the mail servers are migrated to the AWS. Linked calendar entries can be broken, adversely affecting planned activities and collaboration on projects as lookups for any mail boxes will fail at the end of the migration process Care should be taken to be aware of nuances specific to versions of the existing mail server. If using Exchange server 2007 or later, the migration to the cloud can be smooth; however, older versions can encounter problems during migration, and can lead to data loss. The solution for such a situation is a two-step migration process where older mail servers are migrated to a new one, before the entire mail server is migrated to the AWS (Ramirez, 2017). Verification of Regional gardens readiness for the migration must be evaluated and assured; making a wholesale -mail migration is a complex process fraught with various risks(Posey, 2015) . The local mail server must be properly prepared for migration, including by making a backup and ding a pilot migration just in case anything happens and the mails cannot be accessed from the cloud based mail server. Proper configuration is done at this stage, both for the resident mail server and the to be used cloud based mail server, otherwise inadequate preparations can lead to the migration failing. The readiness of the users must also be evaluated to ensure they are ready to migrate to the cloud mail server (Katzer, 2015). This includes verifying the compatibility of browsers so that
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CLOUD COMPUTING5 access to mails is seamless, otherwise, the users may be unable to access mails or not have the right format of mails when using the AWS cloud mail server after migration. Once ready, the staged migration is then undertaken; it should not be done in a rush as issues may still be experienced, including downtime during migration where users cannot access mails or mails are unable to be received. Coexistence should be maintained so that functionality of the e- mail system continues even during the process of migration (University of Washington-Bethel, 2017). Use the right tools for its suitable job; the migration process should entail using the right tools, such as those provided by Exchange server to make the process easy and smooth. Such tools include readiness checking tools as well as connectivity checking tools (Ramirez, 2017).
CLOUD COMPUTING6 References Amazon Web Services. (2013, June). Operational Checklists for AWS. Retrieved from https://d1.awsstatic.com/whitepapers/aws-operational-checklists.pdf Antonopoulos,N., & Gillam,L. (2017).Cloud computing. Cham: Springer. Bigelow,S.B. (2017). Choosing remote server administration tools. Retrieved from https://searchitoperations.techtarget.com/tip/Choosing-remote-server-administration-tools Chapple,M., Seidl,D., & John Wiley and Sons. (2016).CISSP Official (ISC)2 Practice Tests. Garber,D., Malik,J., & Fazio,A. (2013).Windows Azure Hybrid Cloud. Hoboken: Wiley. Hashimoto,N. (2015).Amazon S3 cookbook. Hord,S., Plumley,M., & Hendrickson,J. (2018, March 12). Configure incoming email for a SharePoint Server farm. Retrieved from https://docs.microsoft.com/en- us/sharepoint/administration/incoming-email-configuration Katzer,M. (2015).Moving to office 365 - planning and migration guide. Hoboken, NJ: Wiley. Posey,B. (2015, April 1). 10 Steps for Ensuring a Smooth Migration from Exchange Server to Office 365 -- Redmondmag.com. Retrieved from https://redmondmag.com/articles/2015/04/01/exchange-server-to-office-365.aspx Ramirez,G. (2017, May 30). 5 Common Planning Mistakes in Cutover Office 365 Migrations – Agile IT. Retrieved from https://www.agileit.com/news/planning-mistakes-cutover-office- 365-migrations/ Sathyan,J., Narayanan,A., Narayan,N., & Vallathai,S.K. (2012).A Comprehensive Guide to Enterprise Mobility. Hoboken: CRC Press. Shiraz,M., Gani,A., Khokhar,R.H., & Buyya,R. (2013). A Review on Distributed Application Processing Frameworks in Smart Mobile Devices for Mobile Cloud Computing.IEEE Communications Surveys & Tutorials,15(3), 1294-1313. doi:10.1109/surv.2012.111412.00045 University of Washington-Bethel. (2017). Preparing for the Email Migration - Information Technologies - UW Bothell. Retrieved from https://www.uwb.edu/it/about- it/projects/office365/exchangeonlineemail/email-migration-tips