Cisco Cisco Intercloud Fabric for Provider 백서

 

 

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Switches the network traffic between cloud virtual machines and the private cloud network 

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Applies network policies and collects and reports VEM-related statistics 

 

Intercloud Fabric Agent 

The intercloud fabric agent (ICA) provides the network overlay for the virtual machines in the cloud. The agent is 

deployed in the provider cloud virtual machines as a secure tunnel driver. 

The agent provides the following functions: 

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Establishes a secure tunnel to connect cloud virtual machines to the intercloud fabric switch 

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Collects secure overlay-related statistics 

 

E-Business Application Overview 

Rapid changes in e-commerce application requirements make designing a data center to meet these requirements 

a challenge. Several factors influence capacity planning decisions, but the following two factors make determining 

the amount of capacity needed almost impossible:  

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Unpredictable seasonal increases in customer load: for example, increased load during holiday seasons 

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Unexpected product successes, resulting in unforeseen increased customer demand 

 

Although not an optimal approach, increased seasonable demand can be managed by overprovisioning the 

computing and storage resources to handle the projected load spikes. Unanticipated customer demand due to 

factors such as product success, however, requires the IT department to not only acquire but also configure and 

deploy computing and storage resources in a very short time, making the deployment financially stressful and 

potentially prone to operational errors.  

Both these aspects of e-commerce make an e-business application an excellent candidate for a hybrid cloud 

environment. An e-business application can be deployed on premises with adequate resources to support typical 

customer demand. For occasional (seasonal or otherwise) and unexpected load spikes, one or more tiers of the 

application can be deployed (or burst) in the public cloud. To make this solution operationally viable, you can use 

Cisco Intercloud Fabric to provide the communication between the various application tiers.  

To demonstrate the applicability of Cisco Intercloud Fabric in an e-commerce environment, an open source 

application called osCommerce Online Merchant was configured and deployed across private and public clouds. 

osCommerce is an open-source e-business application providing customers with the features and tools required to 

setup an e-commerce site in a short time. osCommerce contains both a catalog front end and an administration 

tool back end that can be installed and configured through a web-based installation procedure (Figure 2).  

osCommerce Online Merchant is built with the PHP web scripting language and uses the MySQL database server 

for storing data.  

Although osCommerce Online Merchant can be installed on any web server with PHP installed and with access to 

a database server, a typical installation includes the following: 

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One CentOS server running Apache and PHP modules acting as a web front end and catalog server  

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A second CentOS server running the MySQL database and used for authentication and as a data source