VX Virtual WAN Optimization Software

Leading Performance and Virtualization Flexibility

Silver Peak VX virtual WAN optimization software combines the cost and flexibility benefits of virtualization with the performance gains delivered by Silver Peak's industry-leading WAN optimization technology. Silver Peak VX virtual appliances support the full list of Silver Peak WAN optimization features for maximum functionality, including data reduction, path conditioning and traffic shaping. This enables customers to overcome bandwidth, distance and quality challenges when moving data over the WAN.

The WAN optimization software runs on all major hypervisors (VMware vSphere, Microsoft Hyper-V, Citrix XenServer, KVM) and can integrate quickly and easily into existing virtual infrastructures to maximum cost savings. Awarded a "Perfect 10" for value by InfoWorld, Silver Peak VX software can save customers up to 80% in WAN optimization costs by switching from competing hardware to Silver Peak software.

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Data Center Class Wan Optimization

Silver Peak's Virtual Acceleration Open Architecture (VXOA) accelerates data movement between data centers, branch offices and the cloud. It uses real-time optimization techniques to solve network quality, capacity and distance challenges, resulting in fast and reliable access to information anywhere in the world.

VXOA software can be deployed as VX virtual appliances, which are virtual machines that run on all major hypervisors. Or VXOA software can be deployed as standalone NX hardware appliances. Various virtual and physical models exist for cost effective deployment in any enterprise location, from small branch/remote locations to the largest data centers.

All Silver Peak products support the same VXOA functionality. However, by deploying VX products on third party hardware, such as servers, routers, switches, and storage arrays, Silver Peak virtual appliances also deliver the following benefits:

Ease of deployment / mobility: instantly deploy Silver Peak's WAN optimization technology anywhere in the world; Easily re-locate appliances as needed to follow workloads.

High availability: Leverage existing high availability tools inherent in virtual solutions (e.g VMware's vSphere High Availability (HA).

Flexible platform options: Deploy WAN optimization on any hardware platform of choice, including industry standard x86 servers or other custom platforms.

Flexible pricing: Lower capital expense by purchasing a virtual appliance as a subscription service; upgrade licenses as more capacity is needed.

Real-Time Network Optimization Techniques

All Silver Peak appliances use the following real-time optimization techniques to maximize available WAN bandwidth, extend distances, and improve WAN quality:

Network Acceleration: TCP and other protocol acceleration techniques minimize the effects of latency on application performance and significantly improve application response time across the WAN.

Network Integrity: Adaptive Forward Error Correction (FEC) mitigates packet loss by reducing the need for retransmissions when routers are oversubscribed. Packet Order Correction (POC) is a real-time solution for overcoming out-of-order packet delivery across the WAN.

Silver Peak appliances employ a variety of Quality of Service (QoS) and traffic shaping techniques to optimize traffic handling, including advanced queuing, scheduling, and standardsbased packet-marking. VX appliances can honor existing QoS tags or create new policies for granular QoS control.

Network MemoryTM: . Each Silver Peak appliance inspects WAN traffic at the byte level and stores copies of content in high-capacity disk drives. Advanced finger-printing techniques recognize repetitive patterns for local delivery. Network Memory operates at the network layer and supports all IP-based protocols including TCP, UDP and RTP


  • Silver Peak appliances optimize all IP applications.

    This includes:
    - Backup and recovery applications, including asynchronous backup/replication tools from EMC, HDS, Dell, NetApp, and other leading vendors.
    - Traditional TCP applications, such as Windows file sharing, MS Exchange, MS Sharepoint, Lotus Notes/Domino, Siebel, Oracle, and VMware.
    - Non TCP applications, such as EMC VPLEX, Aspera, and FCIP.
    - Interactive applications, like Virtual Desktop Infrastructures (VDI), Citrix XenApp, Sunray, and Remote Desktop Protocol (RDP). - Real-time applications, like VoIP, video conferencing, video streaming and other unified communications.

  • Security: All Silver Peak appliances use AES encryption to protect data stored locally. IPSec encryption protects data sent between appliances. Advanced algorithms ensure that data security is achieved with no impact on application performance.
  • Flexible deployment options: Silver Peak virtual appliances are typically deployed out of path. Traffic is redirected to these devices by networking equipment (e.g. routers), application servers, or other devices using standard peering protocols or static routing configurations. To maximize uptime, VX appliances can be deployed redundantly in 1+1 or N+1 configurations, with failover and load balancing.
  • Easy to Manage: An intuitive Graphical User Interface (GUI) simplifies network monitoring, policy provisioning, and device management. Powerful wizards simplify configuration. A full-featured CLI is available via SSH.

    Larger deployments can easily be managed using Silver Peak's Global Management System (GMS). This is a comprehensive platform for deployment, management, and monitoring of a Silver Peak-enabled WAN. In addition to centralizing the administration of Silver Peak appliances, GMS provides detailed visibility into all aspects of application delivery across a distributed enterprise, including application behavior, WAN performance, Quality of Service (QoS) policies, and bandwidth utilization.

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NX Physical Appliances Specs

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