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High Availability Clustered pair

VLD : An Indic-appliance ready to balance the world. V - Load Director. VLD. VLD. High Availability Clustered pair. Application downtime giving you nightmare. Loosing user by non-persistence session. Want to scale up portal / application in fastest possible way.

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High Availability Clustered pair

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  1. VLD : An Indic-appliance ready to balance the world V - Load Director VLD VLD High Availability Clustered pair

  2. Application downtime giving you nightmare. Loosing user by non-persistence session. Want to scale up portal / application in fastest possible way. International brands that you procure is not fully customized as per your needs. Don’t have huge budget for same. VLD : An Indic-appliance ready to balance the world Are you facing any of these challenges?

  3. VLD : An Indic-appliance ready to balance the world So you are looking for this • A solution which helps you in achieving six 9s uptime. • Having same performance and comparable features with market leaders • A solution having proven track record. i.e solution is already running successfully at reputed and credible customer location • 365/24/7 onsite technical support • Yet lowest priced among all

  4. VLD : An Indic-appliance ready to balance the world Here is the solution High Availability & Application Acceleration with V-LoadDirector V-LoadDirector (VLD) brings Resilience and High-Availability to your services.

  5. VLD : An Indic-appliance ready to balance the world VLD Features • Removes Single Point of Failure • Helps create cluster of computers running similar applications • Acts as single interface for clients accessing the cluster • Does Layer-4 and Layer-7 application traffic distribution to the cluster • Dynamically removes/adds computers in cluster, based on hardware and application health-checks • Comprehensive Traffic Distribution Methodology • Round Robin : most basic and simple way of distribution • Weighted Round Robin : % wise distribution • Least Connection : maximizes the use of server resources • Weighted Least Connection : loading a dual CPU server with more requests than a single CPU server

  6. VLD : An Indic-appliance ready to balance the world VLD Features • Extensive Health Checking Framework • Hardware Check :Automatically detects failure of server in cluster • Link Check : Auto detects failure in connectivity of server • Application Availability Check : Auto detects the failure of application in responding to the client’s request. • Response Time Check : simulates a human agent and decides if the response time of application is within permissible limit or not. • Persistence Management • Requests from an IP or a network will always go to the same server. • Required for sessions aware protocols like https, ftp etc.

  7. VLD : An Indic-appliance ready to balance the world VLD Features • Layer-7 Application Acceleration • HTTP Compression • SSL Offloading • Object Caching • Manage clients using high latency / slow networks • Manage Application QoS • URL Filtering • Rate Shaping for different user groups / URLs • Cookie based filtering

  8. VLD : An Indic-appliance ready to balance the world VLD Features • Inbuilt Clustering Capability • Primary and Secondary VLD are themselves clustered. • Connection information between Primary and Secondary is updated in real-time. • Seamless takeover by Secondary VLD, in case of failure of Primary VLD, without affecting existing client connections. • Automatic takeover by Primary, from Secondary, once the Primary VLD is back in action. • Implements industry standard VRRP protocol.

  9. VLD : An Indic-appliance ready to balance the world Sample Implementation Scenario # 1

  10. VLD : An Indic-appliance ready to balance the world Sample Implementation Scenario # 2

  11. VLD : An Indic-appliance ready to balance the world Sample Implementation Scenario # 3

  12. Spice Communications Limited South Indian Bank Aditya Birla Group WNS Global Services Mithi Technologies The Centre for Cellular and Molecular Biology (CCMB) ,Hyderabad VLD : An Indic-appliance ready to balance the world Balancing Load at following Datacenter

  13. VLD : An Indic-appliance ready to balance the world Thank You To Ensure a “Worry Free” Administration- Please contact- rajat@raroan.com OR Call at +91 9820315706

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