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Newtec Elevation EL838 High Speed PEP-Box Gateway

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  • speed up to 155 Mbit/s
  • Superior TCP acceleration
  • Out-of-the-box solution
  • Transparent to other applications


System Architecture
  • Distributed Performance Enhancing Proxy (dPEP) architecture (RFC 3135)
  • Acting as a node in a point-to-point or star network
  • Based on IP tunneling technology
  • Operates in L3 routing mode (in-path)
  • Supports asymmetric routing between the EL838 PEP-Box® Gateway and the EL848 PEP-Box® Server
  • Linux OS based
  • 1RU, width: 19’’, depth: 69.2 cm, weight: 15 kg
  • Rack mountable, rack mount kit included
  • Intel Xeon server class CPU
  • 24 GB RAM
  • Hard disk drive (for OS and accounting data),
  • Power supply: 100/240 VAC, 50/60 Hz, 460 W
  • Operational temperature: 10 - 35 °C
  • Operation humidity: 10 - 90 %, non-condensing
  • CE label
Monitoring Only
  • 3 x USB (1 x at front, 2 x at back) e.g. for keyboard/mouse
  • 1 x VGA
Input/Output 2 x 2 Gigabit Ethernet controller
  • SSH Access
  • Web based GUI
Authentication and Accounting
  • Gateway to server authentication
  • Supports server side traffic accounting
  • Traffic accounting
TCP Acceleration
  • Used transport protocol: ETCPv2 (Enhanced Transmission Control Protocol)
  • Fills the available data pipe up to the configured maximum throughput
  • Control traffic reduction through session multiplexing and combined NACK/ ACK technology (compared to SCPS-TP average bandwidth utilization savings: 80 - 95 % of volume and packets on return channel)
  • Packet loss and delay based three-tier congestion control technology
  • SYN ACK spoofing for HTTP traffic
  • Dynamic RTT based window size adaptations
  • Fast start algorithm
  • Packet aggregation
  • Configurable MTU
  • Tolerates dynamically changing network conditions, packet loss, packet reordering and large data queues
Data Compression
  • Supports on-the-fly TCP payload compression
  • Average compression savings: 25 - 40 %
  • Deflate compression algorithm (RFC 1951)
  • Selective compression based on URL extension and/or MIME type
VPN Support and Security
  • Transparent interception of traffic
  • On-the-fly Blowfish encryption: AES or Blowfish
  • Hides original end-point information (IP, port, etc.)
  • Automatic encryption key negotiating according to Diffi e-Hellman algorithm (RFC 2631)
  • Re-keying on basis of ETCP sessions
Application Acceleration
  • Server-to-gateway HTTP acceleration with support for embedded HTML
  • SMB (CIFS) read-ahead technology
  • POP3 e-mail prefetching
Server Side Component
EL848 High Speed PEP-Box® Server

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