Background

Global Server Load Balancing

Global Server Load Balancing (GSLB) is a technology which directs network traffic to a group of data centres in various geographical locations. Each data centre provides similar application services, and client traffic is directed to the optimal site with the best performance for each client. GSLB monitors the health and responsiveness of each site, and like Server Load Balancing, directs traffic to the site with the best response times.

Is it right for me?

GSLB can help you if you require any of the following services:
• Traffic routing of client traffic to most appropriate data centre site
• Monitoring of the health, availability and loading for each data centre
• Redirecting client traffic away from a failed or unhealthy site
• Calculating client geographical locations to direct traffic for optimal site selection
• Controlling and optimising multi-site data centre deployments with management policies
• Delivering SLA expectations to customers
• Meeting regulatory requirements for countries with specific, in-country restrictions
• Provide customized content specific for countries, regions or languages

Global Server Load Balancing (GSLB) directs network traffic to a group of data centres in various geographical locations.

Why choose The Bunker?

The Bunker's Global Server Loading Balancing service is an integral part of our Core Networks. We consult with our clients to ensure that fail-over mechanisms, health-checks and services are all correctly tailored to your requirements and based on your infrastructure.

The Bunkers GSLB services is a shared and multi-tenanted platform, enabling customers to take advantage of enterprise and service provider-level platforms without having to invest in hardware and additional connectivity.

How Global Server Load Balancing works

Services, or groups of services, can be defined as virtual pools with sites across multiple geographically-diverse locations. End-users connect to a Virtual IP (VIP) address that lives on or within the GSLB infrastructure.

When a connection arrives on the GLSB infrastructure a decision is made on the optimal location to send the traffic. Defined rules and health checks allow highly granular choices to be made.

These check the health of both site and services, based on customised monitoring points that examine facets of the infrastructure and applications (from Layer 4 through to Layer7).

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