Comparison of AWS and Rackspace SLA’s

Comparison of AWS and Rackspace SLA’s

Name: Amulya Gajanan Dudhal


Amazon Web Offerings (AWS) and Rackspace are the two-leading public cloud providers of the 21st century. The provider level agreement laid down by these companies describes the amount of service that may be expected by an individual from the cloud service provider. The intention of something level agreement is to let find out an individual what he/she will obtain from the cloud jj thomson atom company. The service level arrangement is aimed at providing the cloud provider’s transparency in customer service. There are certain variations in the provider level agreements of Rackspace and AWS.

The most important factor a user considers when selecting a public cloud service provider may be the uptime or the availability warranty of the cloud service provider. Rackspace claims to have an uptime of 100% while AWS claims to have an availability guarantee of 99.95%. AWS’s approach to this is more realistic which provides them with the proper to truly have a downtime of 4.3 hours anytime in a yr. In case of network failures, an individual always wants to find out the MTTR (Mean time to resolve) claimed by the cloud company. While AWS decides never to specify the MTTR, Rackspace promises to solve issues in enough time span of 1 one hour. If Rackspace does not resolve the issues in the period of time specified, they owe the user credits for network use as a penalty. This is something that Amazon should include within their SLA. If AWS or Rackspace violates any clause specified by them in the SLA, the user/customer gets the proper to notify the companies about the same. After notifying the company the customer must obtain the credit from the firms. Amazon must pay the customer a credit of 10% period while Rackspace owes the client 100% credit rating if it vindicated. Likewise, if the storage provider provided by the companies goes down for quite a while AWS offers 25% credit to the client while Rackspace once again owes the customer 100% credit. Both companies might want to think about an automated credit function in occurrences of downtime in their service. Also, Rackspace and AWS both give tips to the customer how the services proposed by AWS and Rackspace greatest suit the clients case. Rackspace also offers a flat rate across the multiple availability zones except for UK. Amazon on the other definition cellular respiration hand does not provide a flat rate across all of the availability zones and possesses slightly higher rates in the UK, just like Rackspace. The foundation of cloud servers is made on shared resources. Thus, regarding Rackspace the client with the bigger ‘Flavor’ (instance) is given top priority in a rack. But in the case of Amazon Web offerings, the client gets the providers he/she will pay for. Variable performance is offered by Rackspace, while dedicated overall performance is the key characteristic of AWS. With regards to storage Rackspace charges a person with 10 cents/GB of storage, while AWS charges 14 cents/GB up to 1 1 TB of info storage. Outgoing bandwidth being an essential factor, plays an integral role in deciding the general public cloud company for the client. Rackspace charges the customer with 18 cents/GB. However, AWS does not charge the customer with an individual penny for the earliest GB of outgoing bandwidth. But, later after the initial GB, AWS charges the customer 12 cents/GB up to at least one 1 TB. AWS, obviously is a win-win situation with regards to outgoing bandwidth. Likewise, there AWS has important features of spot instances and reserved occasions. Rackspace does not have any such feature to offer which can help an individual reserve instances for long term use with guaranteed effectiveness. Rackspace is ideal for customers looking at solutions such as for example uptime, architectural direction and managed companies. But, AWS is even more suited for consumers looking for commodity capabilities at lowest costs. Amazon also has a separate storage support known as as S3. It allows blob storage space and retrieval for info from 1 B to 5 TB. Storage space SLA of AWS consequently covers blob storage and retrieval. Remote disks known as as elastic blob retail store are reserved for EC2 instances. Rackspace alternatively usually do not offer any separate storage area service SLA.


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