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Silver Peak Virtual Appliances
VX-Xpress Appliances
The VX-X is an entry level version of Silver Peak's VXOA product family. It is a free, fully functional Silver Peak virtual appliance designed to make it easy and cost effective to deploy WAN optimization for single links up to 4Mbps. The VX-X looks and feels just like the VX-1000 when optimizing a single WAN link. However, whereas the VX-1000 can talk to many different Silver Peak appliances and can be managed by Silver Peak's Global Management System (GMS), only 2 VX-X's can be deployed in a single network and they cannot be managed by GMS. In addition, support for the VX-X is handled exclusively via an online community.

VX Appliances
Silver Peak’s VX appliances are software versions of the company's award winning NX appliances. They support all of Silver Peak’s real-time Network Acceleration, Network Integrity, and Network Memory™ features to overcome common WAN bandwidth, latency and quality challenges.

VRX Appliances
Silver Peak’s VRX appliances are the first and only virtual WAN optimization devices designed for the rigors of data center deployment. With industry leading capacity and built-in support for all popular Storage Area Network (SAN) and Network Attached Storage (NAS) replication applications, Silver Peak VRX appliances meet the requirements of today’s most demanding data center-to-data center initiatives, including data replication, data migration, and disaster recovery. The VRX now supports 512,000 simultaneous user sessions, making it also ideal for enterprise "hubs" whereby connectivity is required to many branch or remote locations. If scalability and performance is required in a virtual WAN optimization solution, the VRX is the only game in town!

Model VX- Xpress VX- 1000 VX- 2000 VX- 3000 VX- 5000 VRX- 8
WAN Bandwidth Capacity (all features + encryption enabled) 4 Mbps 4 Mbps 10 Mbps 20 Mbps 50 Mbps 1 Gbps
Certified Connections 8,000 8,000 64,000 64,000 64,000 256,000
Disk Encryption 128-bit AES
Network Encryption IPSec (128-bit AES)
Network N/A 1+1 and N+1 with VRRP or WCCP
Hardware/Software Requirements
CPU Two 64-bit x86 virtual processors for a total of 4 GHz of CPU capacity Four 64-bit x86 virtual processors for a total of 8 GHz of CPU capacity Eight 64-bit x86 virtual processors for a total of 12 GHz of CPU capacity
RAM 2 GB 4 GB 4 GB 4 GB 7 GB 14 GB
Disk 100 GB of free contiguous disk space 250 GB of free contiguous disk space
Network Interfaces 2 x 1 Gbps network interfaces
Hypervisors VMware vSphere VMware vSphere or VMware vSphere Hypervisor, Microsoft Hyper-V VMware vSphere
Out-of-Path (Router) Mode Attached to WAN router out-of-path with PBR redirection, WCCP and VRRP (on all models)
CLI Full-featured CLI available over DB-9 console port via SSH
GUI • Web-based Appliance Manager available via HTTPS (default) or HTTP
• Global Management Systems (GMS) provides centralized configuration, monitoring and management of all Silver Peak appliance
Secure Access SSH and HTTPS
Logging Syslog with configurable levels. Email alerts
Authentication Local database, RADIUS, TACACS+
Statistics Graphing and monitoring, real-time and historical

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