Xiplink User Guide Xip Os

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  XipOS User Manual  XipOS: User Manual Release 4.0.2Copyright © 2013 XipLink Inc All rights reserved. Reproduction in whole or in part without permission is prohibited. Information contained herein is subject to change withoutnotice. The specifications and information regarding the products in this document are subject to change without notice. All statements, information,and recommendations in this document are believed to be accurate, but are presented without warranty of any kind, express, or implied. Users musttake full responsibility for their application of any products. Trademarks, brand names and products mentioned in this document are the propertyof their respective owners. All such references are used strictly in an editorial fashion with no intent to convey any affiliation with the name orthe product's rightful owner.  iii Table of Contents 1. XipLink Optimization Technology Overview ....................................................................... 11.1. Introduction ......................................................................................................... 11.2. Background ......................................................................................................... 21.3. The XipLink Advantage ........................................................................................ 21.3.1. Protocol Acceleration .................................................................................. 31.3.2. Advanced Compression ............................................................................... 31.3.3. Internet Optimization .................................................................................. 31.3.4. Security .................................................................................................... 41.3.5. Quality of Service ...................................................................................... 41.3.6. XipOS ..................................................................................................... 41.4. Supported Capabilities ........................................................................................... 41.4.1. TCP Acceleration Techniques ...................................................................... 41.4.2. UDP Acceleration Techniques ...................................................................... 41.4.3. Compression and Application Acceleration ..................................................... 51.4.4. Tunnelling Options ..................................................................................... 51.4.5. Network Appliance Benefits ........................................................................ 51.4.6. Standards Support and Interoperability ........................................................... 51.4.7. RFC and TCP Enhancements Support ............................................................ 61.5. Document Overview ............................................................................................. 61.5.1. Conventions used in this Manual .................................................................. 72. Quick Start - XA Series ................................................................................................... 82.1. Unpack ing and Box Contents ................................................................................. 82.2. Placing the Optimizer in the Network ...................................................................... 82.2.1. Physical Connections .................................................................................. 92.3. Accessing the XipOS Web User Interface ............................................................... 102.4. Login ................................................................................................................ 102.5. XipLink Setup Wizard ......................................................................................... 112.5.1. Welcome ................................................................................................ 112.5.2. Select Deployment Options ........................................................................ 122.5.3. Configure Network Interfaces ..................................................................... 132.5.4. Configure DNS ........................................................................................ 152.5.5. Configure Networks .................................................................................. 152.5.6. Set Password ........................................................................................... 172.5.7. Apply Changes To Device Configuration ...................................................... 173. Understanding XipLink Optimization ................................................................................ 183.1. Dynamic Transparent Negotiation of Optimization Capabilities ................................... 183.2. SCPS Protocol Acceleration .................................................................................. 193.3. XipLink Transport Control (XTC) Modes ............................................................... 203.3.1. XTC - Fixed Rate Control Mode ................................................................. 203.3.2. XTC - Dynamic Rate Control Mode ............................................................ 213.3.3. XTC - Programmable Fixed Rate Control Mode ............................................. 223.3.4. XTC - Enhanced TCP Mode ...................................................................... 223.4. Additional TCP Protocol Acceleration Techniques .................................................... 223.4.1. TCP Connection Fast Start ......................................................................... 223.4.2. Acknowledgement Frequency Reduction (AFR) ............................................. 233.4.3. Selective Negative Acknowledgments .......................................................... 233.4.4. Quality of Service .................................................................................... 243.4.5. Streaming Data Compression ...................................................................... 263.4.6. XipOS Tunnelling .................................................................................... 283.5. XipLink Hub Optimizations .................................................................................. 283.5.1. XiPix Image Compression ......................................................................... 293.5.2. HTTP Compression .................................................................................. 29  XipOSiv3.6. XipLink Real-Time (XRT) ................................................................................... 293.7. Byte Caching ..................................................................................................... 313.8. Packet Compression ............................................................................................ 313.8.1. Advanced Cellular Compression ................................................................. 313.9. Link Balancing and Bonding ................................................................................ 323.10. Web Cache Communication Protocol .................................................................... 323.10.1. WCCP Deployments ............................................................................... 333.10.2. WCCP Configuration Concepts ................................................................. 343.11. XipLink Wireless Optimizer Internals ................................................................... 403.11.1. Dynamic Socket Buffers .......................................................................... 403.11.2. Burst Connection Handling ....................................................................... 403.11.3. Installation Flexibility .............................................................................. 413.11.4. Management and Monitoring .................................................................... 414. The XipOS Web Interface .............................................................................................. 424.1. Dashboard ......................................................................................................... 424.1.1. Device Name ........................................................................................... 424.1.2. Interface Status ........................................................................................ 424.1.3. Service Status .......................................................................................... 424.1.4. Device Status .......................................................................................... 434.1.5. Sampling Rate ......................................................................................... 434.2. Main Menu ........................................................................................................ 434.3. Applying Changes .............................................................................................. 444.4. Networking Setup ............................................................................................... 454.4.1. Mode ..................................................................................................... 454.4.2. Interfaces ................................................................................................ 474.4.3. DNS ...................................................................................................... 484.4.4. Routes .................................................................................................... 504.4.5. RIP ........................................................................................................ 514.4.6. OSPF ..................................................................................................... 524.4.7. BGP ....................................................................................................... 534.4.8. DHCP .................................................................................................... 544.4.9. SNMP .................................................................................................... 554.4.10. WCCP .................................................................................................. 574.4.11. Redundancy ........................................................................................... 594.5. Optimization ...................................................................................................... 624.5.1. Optimization ............................................................................................ 624.5.2. Networks ................................................................................................ 644.5.3. Service Assignment .................................................................................. 704.5.4. Traffic Assignment ................................................................................... 734.5.5. Lightweight Tunnels ................................................................................. 764.5.6. Link Balancing ........................................................................................ 794.5.7. Web Cache ............................................................................................. 804.6. System .............................................................................................................. 834.6.1. Support & Docs ....................................................................................... 834.6.2. Logs ...................................................................................................... 834.6.3. Stats ....................................................................................................... 844.6.4. Users ..................................................................................................... 854.6.5. Time ...................................................................................................... 864.6.6. Backup ................................................................................................... 874.6.7. Upgrade .................................................................................................. 884.6.8. Reboot ................................................................................................... 914.6.9. Files ....................................................................................................... 924.6.10. Diagnostics ............................................................................................ 944.6.11. Debugging ............................................................................................. 95