ScaleOut GeoServer® DR

GeoServer
  • Protect against data center failures with WAN replication.

ScaleOut GeoServer® Pro

  • Add seamless global access with cross-site data replication.
GeoServer

Integrate Multiple Data Centers for Disaster Recovery and Global Access

Enterprises often use multiple data centers to spread out the workload and provide a hedge against data center-wide outages. ScaleOut GeoServer DR extends the power of ScaleOut’s in-memory data grid across multiple sites to keep mission-critical data continuously available using asynchronous data replication.

ScaleOut GeoServer Pro extends these capabilities by enabling seamless, synchronized access to data at multiple sites. And it now combines synchronized access to data with integrated, bi-directional data replication. This enables applications to easily employ multiple sites in an “active-active” configuration while simultaneously protecting against outages.

Read this blog post to learn more about how ScaleOut GeoServer Pro combines synchronized access with bi-directional data replication across sites. See how it simplifies application design by solving the daunting problem of ensuring that applications always see the latest updates when they switch between sites using a global load balancer.

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With ScaleOut GeoServer Pro, data can flow seamlessly between in-memory data grids at multiple sites. See how to integrate cloud and on-premises grids (or between cloud regions) in this blog post. Learn about how global data access with synchronized updates unlocks important new capabilities for applications without complicating their design.

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Site-Wide Protection

Ensuring 24/7 Uptime

ScaleOut StateServer®, ScaleOut’s in-memory data grid (IMDG), gives you fast data access, scalability, and high availability with distributed, memory-based data storage. But what if the entire data center or cloud region goes offline due to a power failure or catastrophic event? A solid disaster recovery strategy requires handing off the workload to another, healthy data center to avoid service interruptions if the worst occurs.

ScaleOut GeoServer DR (a subset of ScaleOut GeoServer Pro) seamlessly integrates into this recovery strategy by automatically synchronizing the contents of ScaleOut’s in-memory data grids (IMDGs) at up to eight sites. This product continuously replicates updates to memory-based data from a local IMDG to one or more remote IMDGs, keeping fast-changing workloads protected against site-wide failures.

For example, leading e-commerce companies store shopping carts in ScaleOut’s IMDG and use ScaleOut GeoServer DR to replicate them between multiple data centers. If disaster strikes, they shift online customers to an alternative data center using their global load balancer to let them continue shopping without interruption.


Fast, Asynchronous Replication

ScaleOut GeoServer DR was designed to replicate updates to live data as fast as possible and with minimal impact on access performance. It uses asynchronous, pipelined, “push” replication, which quickly delivers updates to remote sites while avoiding delays to local accesses. To handle growing workloads, it uses a symmetric, peer-to-peer software architecture that automatically adds connections and scales replication bandwidth as servers are added to the IMDGs.

Optional SSL Support

Replicated data is fully protected from intrusion using either a virtual private network or optional, secure socket connections (SSL).

Support for “Live-Live” Configurations

ScaleOut GeoServer DR fully supports bi-directional replication, allowing all data centers to fully participate in handling the workload.

Global Data Access

Transparently Access Data from Remote Sites

ScaleOut GeoServer Pro adds breakthrough technology to ScaleOut GeoServer DR that seamlessly combines in-memory data grids (IMDGs) at multiple sites into one, “virtual” IMDG, enabling fully transparent and synchronized access, regardless of where the data is stored. Now IMDGs can be interconnected to provide remote data access and automatic data caching across sites on demand.

For example, using ScaleOut GeoServer Pro, satellite offices for a financial services company can quickly access portfolio information from an IMDG in the home office in a different city. To minimize access latency and make efficient use of the wide area network, ScaleOut GeoServer Pro caches data at remote sites, and it automatically updates cached data as changes occur.

ScaleOut GeoServer Pro also optionally combines synchronized data access across sites with bi-directional data replication. Breakthrough, industry-leading technology seamlessly combines these two capabilities so that application can synchronize access to data shared across multiple sites while employing data replication for protection against data center failures.

For example, the following diagram shows a ScaleOut GeoServer Pro deployment with two “live” sites synchronizing access to shared, replicated data and two additional “satellite” sites remotely accessing data stored at the live sites:


Migrate Data on Demand

With ScaleOut GeoServer Pro, now IMDGs can transparently span multiple sites, automatically migrating data between sites on demand. Applications use the grid’s familiar distributed locking APIs to pull data from a remote site and ensure that updates are fully synchronized. This powerful feature takes ScaleOut GeoServer Pro beyond global data access to full global data integration.

Global data integration introduces amazing new opportunities, such as “cloud bursting.” In periods of high demand, an application can expand its server farm and IMDG into a public cloud to handle transient peak load. For example, an e-commerce application can direct client requests to both on-premise and cloud-based servers and let ScaleOut GeoServer Pro transparently migrate shopping carts where they are needed as access requests occur.

Breakthrough Technology

ScaleOut GeoServer Pro delivers industry-leading capabilities that combine bi-directional data replication with synchronized data access. Unlike other IMDGs that just asynchronously replicate updates in batches, ScaleOut GeoServer Pro enables applications to easily and efficiently coordinate updates across sites and maintain copies at both sites.

Uninterrupted Operations

When global access is combined with data replication, ScaleOut GeoServer Pro enables continuous access to shared data if a WAN outage is detected. After WAN connectivity resumes, it then automatically resolves data inconsistencies that can occur during an outage when the sites independently update shared objects.

Focus on Ease of Use

Easy to Deploy

ScaleOut GeoServer was designed to provide cutting-edge technology that’s both powerful and easy to use. Installation simply requires connecting a local IMDG to one or more remote sites and specifying the desired access mode (either push replication or remote data access/integration with optional data replication). ScaleOut GeoServer takes care of the rest.

Built-In Performance Scaling

ScaleOut GeoServer uses a fully peer-to-peer architecture to automatically deliver maximum performance. All grid servers at each site participate equally in remote data replication and global data access, maximizing both the throughput and scalability of these operations. Likewise, integrated high availability ensures that data access operations are not interrupted if grid servers in either the local or remote IMDGs should fail. In addition, all local grid servers automatically download and maintain load-balancing information from remote IMDGs to efficiently direct updates to specific remote servers.

Caching of Remote Data

ScaleOut GeoServer automatically caches copies of data that have been accessed from a remote site, and it lets applications conserve WAN bandwidth by configuring how often to refresh cached data over the WAN.

Data Migration on Demand

Because ScaleOut GeoServer uses the IMDG’s built-in distributed locking APIs to globally synchronize updates, ownership of grid data automatically migrates from site to site on demand without impacting application design.

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