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DataDirect Networks Web Object Scaler (WOS) – Product Analysis

Published July 7th, 2017. An 18-page deep dive into the architecture and performance of DataDirect Network's Web Object Scaler (WOS). Download the full Product Analysis now!

DataDirect Networks Web Object Scaler or WOS is a distributed system with objects managed on nodes that are servers running the custom software with attached disk storage. The nodes can be geographically dispersed but present a common pool for object storage. A custom API over HTTP/REST is supported along with WebDAV, Swift, and S3. A file interface for NFS and CIFS/SMB is supported as well using a WOS file system gateway. WOS is delivered as a complete hardware and software system or WOS software for integration with other hardware.

As the name implies, WOS was designed for the high capacity, large number of data elements required for web or cloud environments. Scaling to petabytes of unstructured data with geographic dispersion is the typical usage for WOS. Nodes are self-contained systems with CPU, memory, and storage. Configured in a federation with Ethernet interfaces, nodes can have different capabilities and performance. Each node is active in the configuration and objects are dispersed in the global namespace according to algorithms in the WOS policy engine to provide availability and durability.

DDN Web Object Storage competes with other object storage systems / software including Scality Ring, Dell EMC Elastic Cloud Storage, Cloudian HyperStore, IBM COS, and HGST ActiveScale.

DataDirect WOS Product Analysis Includes: 

  • Highlights
  • Overview
  • Product Architecture
  • Software Architecture
  • Reliability, Serviceability and Availability
  • Performance
  • Evaluator Group’s Comments

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