External Storage System Overview 
Cisco ASR 5000 Series Product Overview ▄  
System Requirements 
 
The requirements described in this section must be met in order to ensure proper operation of the ESS system. 
 
ASR 5000 System Requirements 
The following configurations must be implemented, as described in Configuring Enhanced Charging Services chapter 
of the Enhanced Charging Services Administration Guide: 
  ECS must be configured for generating billing records. 
  An administrator or config-administrator account that is enabled for FTP must be configured. 
  SSH keys must be generated. 
  The SFTP subsystem must be enabled. 
 
ESS System Requirements 
 
Important:  System requirement recommendation is dependent of different parameters including xDR generation, 
compression, deployment scenario, etc. Contact your sales representative for system requirements specific to your ESS 
deployment. 
 
Minimum System Recommendations for Stand-alone Deployment of L-ESS 
 
  OpenSSL must be installed 
  Sun Microsystems Netra™ T5220 server 
  1 x 1.2GHz 8 core UltraSPARC T2 processor with 8GB RAM 
  2 x 146GB SAS hard drives 
  Internal CDROM drive 
  AC or DC power supplies depending on your application 
  PCI-based video card or Keyboard-Video-Mouse (KVM) card (optional) 
  Quad Gigabit Ethernet interfaces