Glossary

1 MINUTES

What is a Cloud Load Balancer?

by Bethany Hill on Cloud • December 23, 2020
What is a Cloud Load Balancer? A cloud load balancer is a cloud-based network appliance that distributes client traffic across a pool of endpoints that reside within a cloud environment.
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2 MINUTES

Load Balancing

by Bethany Hill on Load Balancing • December 23, 2020
Load balancing web traffic: what and how? What is load balancing? Load balancing is used to improve the performance and reliability of websites, applications, databases and other services by distributing the workload of the servers.
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1 MINUTES

What is Application Delivery?

by Bethany Hill on ADC • December 23, 2020
What is Application Delivery? Application Delivery refers to all of the software used to increase the usability, security, and performance of web-based applications and their related protocols.
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1 MINUTES

What is Global Server Load Balancing (GSLB)?

by Bethany Hill on Glossary • November 26, 2020
What is Global Server Load Balancing (GSLB)? Global Server Load Balancing (GSLB) refers to load balancing implemented at the DNS level.
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1 MINUTES

What is Web Application Security?

by Bethany Hill on Glossary • November 26, 2020
What is Web Application Security? Web application security is the methodology used to protect a website, web applications, and web-services data by detecting, preventing, and responding to cyber threats attempting to exploit vulnerabilities.
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1 MINUTES

What is a Load Balancer?

by Bethany Hill on Glossary • November 26, 2020
A load balancer is a network device or appliance that distributes client traffic across a pool of backend/application servers. Load balancing can be implemented to operate at either Layer 4 (transport layer) or Layer 7 (application layer) of the OSI networking model. Layer 4 load balancing entails distributing traffic for protocols that operate at the transport layer (TCP, UDP) and sometimes at the network layer (IP). Layer 7 load balancing operates at the application layer and makes balancing decisions based on data content and metadata available at that layer.
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1 MINUTES

What is a Web Application Firewall (WAF )?

by Bethany Hill on Glossary • November 26, 2020
What is a WAF and how does it work? A WAF (or Web Application Firewall) protects web applications from common vulnerabilities by filtering out bad HTTP traffic between the client and web application. WAFs can be considered reverse proxies, as they protect web applications from malicious endpoints whereas a proxy server protects from malicious applications.
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2 MINUTES

What is Web Application Acceleration?

by Bethany Hill on Glossary • November 26, 2020
What is Web Application Acceleration? Web application acceleration is the acceleration of content delivery between a web application server and client devices through the optimization of network traffic. Measures to achieve web application acceleration include SSL offloading, compression, minification, caching and concatenation of content served within network traffic between servers and clients. A hardware or software web accelerator appliance is typically used to provide this functionality.
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1 MINUTES

What is Application Load Balancing?

by Bethany Hill on Glossary • November 26, 2020
What is Application Load Balancing? Application load balancing refers to load balancing client traffic to backend web servers at the application layer (layer 7) of the OSI networking model. Typically this involves load balancing at web application - HTTP/HTTPS, FTP, SMTP, DNS, SSH, etc - protocol level, health checking, server monitoring, network traffic optimization, minification, and caching.
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