Neverfail HybriStor vs OpenNOP

Neverfail HybriStor provides secondary storage and data deduplication for backup, archive, and recovery data. Its global deduplication rate is stated as up to 30:1, and Neverfail says the product can reduce primary storage costs by up to 95%. With InstaCache, users can run or mount a virtual machine from HybriStor without copying it first or rehydrating its data. The product page states ingestion throughput of up to 300 MB/s. It can replicate data to cloud storage or multiple sites, including hub-and-spoke and N-1 configurations, and send deduplicated, compressed data to an object store. The virtual appliance works with backup or archive software that writes to a NAS interface; REST API capabilities support connections to compatible backup and recovery tools. Neverfail describes AES 256-bit encryption for data in flight and at rest, plus a management platform with real-time job performance insight. HybriStor is available for Linux and self-hosted deployment. The free plan is free and includes 1TB with unlimited instances; a 45-day trial is free and includes 10TB. Pricing is also available on request.

OpenNOP is a free, GPLv3 open-source Linux network accelerator for point-to-point, partially meshed, and full-meshed IP networks. Its stated aim is improving performance on low-speed links such as ISDN, DSL, DS1, frame-relay, and VPN circuits. Implemented functionality includes LZ compression of TCP segment payloads and peer discovery through custom TCP options added to IP packets. A heartbeat between the user-space daemon and kernel module lets the module switch to bypass mode. The manual describes inline deployment and out-of-line deployment with policy-based routing. A prebuilt appliance image is identified as the easiest installation option. Custom Linux hosts require libnfnetlink, libnetfilter_queue, and libnl, and the manual says any Linux distribution should work. The project is self-hosted, with hybrid deployment listed, and system administrators are its intended audience using a command-line interface. Features marked todo include block-based data reduction, a WCCPv2 client, CLI configuration and statistics, and a web interface. SourceForge labels the project Alpha and lists its last update as 2015-12-28.