O slideshow foi denunciado.
Utilizamos seu perfil e dados de atividades no LinkedIn para personalizar e exibir anúncios mais relevantes. Altere suas preferências de anúncios quando desejar.

5 maximazing networkcapacity_v4-jorge_alvarado

136 visualizações

Publicada em

Xiplink - Maximizing Network Capacity - Jorge Alvarado

Publicada em: Tecnologia
  • Seja o primeiro a comentar

  • Seja a primeira pessoa a gostar disto

5 maximazing networkcapacity_v4-jorge_alvarado

  1. 1. Maximizing Network Capacity BandwidthOptimization and Data Compression Sales Contacts: VP Americas Joe Zerucha jzerucha@xiplink.com Americas SE Jorge Alvarado jalvarado@xiplink.com
  2. 2. Agenda :: 1. Greetings 2. DefiningWireless Link Optimization 3. Maximizing Network Capacity a) Internet Access b) VPN Networks c) UDP traffic d) Corporate Applications e) Link Bonding f) Cellular Backhaul 4. Maximizing Return of Investment
  3. 3. Defining Wireless Link Optimization :: Traditional Acceleration: • Fast Start, AFR, 3-Way Shake, etc. • Fills Available Capacity (95%+) •Value Add (TDMA VSAT) Or Low Cost Wireless Link Optimization: • Streaming TCP Compression •UDP Optimizations •Advanced Cellular Compression (ACC) •Class Based QoS • Internet Optimizations • Exceeds Available Capacity Layer 7 Optimization: •Spoof Citrix, CIFS, SSL, etc. • Rapid Application Responsiveness •Very High Capital Cost NewValueAddOpportunity IncreasedCostofSolution XipLinkWireless Link Optimization operates primarily at the network layer with some application layer access for web acceleration. This allows high capacity TCP and UDP optimizations at low capital cost.
  4. 4. XipLink Technology :: Deployment Scenarios
  5. 5. Maximazing Network Capacity: INTERNET ACCESS Start Saving BandwidthToday!
  6. 6. Consumer based internet access over VSAT Hundreds of subscribers spread over a wide geografical region ~70% or higher HTTP traffic blend Service Provider motivation to reduce OPEX through bandwidth cost reduction. Internet Access :: Customer Environment
  7. 7. Single-sided hub options that accelerate and save bandwidth XiPixTM Compression trans-codes outbound jpeg images  Works for jpegs in web pages  Automatically re-samples and reduces the “bits per pixel”  Protects customer satisfaction while gaining bandwidth  User (SP) defined quality level for quality vs. cost trade-off HTTP Gzip Gateway for “hub-side to browser” file compression Immediate Optimization with a single XA-Appliance hub-side deployment VPN Network :: Network Performance Improvement
  8. 8. Achieved Performance: Reduced total outbound traffic by 18.3% No trouble calls received by service provider from subscriber base relative to performance and/or quality of service Benefits to Service Provider: Sizeable bandwidth OPEX cost reduction Improved customer response times: snappier downloads Low-cost growth/scalability: redundant appliances capable of supporting projected subscriber growth for the next 3 – 5 years
  9. 9. Maximazing Network Capacity: VPN (Encrypted Links) Start Saving BandwidthToday!
  10. 10. Encrypted Traffic Different type of customer applications Remote branches connected to corporate servers Service Provider motivation to improve the network performance VPN Encrypted Networks :: Customer Environment 1Mbps committed BW available
  11. 11. VPN Network :: Network Performance Improvement Implementing a 2-way Optimization solution Use Packet Coalescing in order to fill up the pipe Packet payload compression before encryption Implement State of the art Transport control techniques Immediate Optimization on an Encrypted network by deploying a bracketed solution
  12. 12. Maximazing Network Capacity: UDPTraffic Start Saving BandwidthToday!
  13. 13. How can VOIP benefit from optimization? Most VOIP is headers – approximately 40%! Most headers do not change much from packet to packet Multiple streams (calls) each have their own overhead and many common headers Inefficiencies applies to all UDP – standard VOIP as well as Skype etc, but in particular small packet applications (e.g. not full frame video streaming) These real-time steams need to be prioritized but managed through the network Effective voice codecs are well established and provide excellent options to tune quality versus size. Little need to touch the data stream. UDP Networks :: Customer Environment
  14. 14. How can VOIP, Skype and other streaming protocols be optimized? By compressing the headers By coalescing packets sharing a link together into one packet By prioritizing the real time traffic through the network intelligently for better quality and control VoIP Network :: Network Performance Improvement Immediate Optimization starting from the first call
  15. 15. Codec & Bit Rate (Kbps) Capture Window (ms) # of Calls Bandwidth Savings % PPS Benefit Ratio G.729 (8 Kbps) 20 1 8% 1 G.729 (8 Kbps) 20 2 33% 2 G.729 (8 Kbps) 20 5 47% 5 G.729 (8 Kbps) 20 10 52% 10 G.729 (8 Kbps) 20 20 54% 20 G.729 (8 Kbps) 20 50 56% 50 G.729 (8 Kbps) 20 100 57% 70 G.729 (8 Kbps) 20 200 57% 70 Benefits Example: Benefit Against Number of Calls G.729 is one of most popular VOIP codecs. Converges towards 57% benefit – use less than half the bandwidth! Assumes IP network. Saving for Ethernet networks would be even larger.
  16. 16. Reduce bandwidth used by voice and other traffic with small packets. Applies to both directions, or unidirectionally. Payload is unaffected by optimization • No transcoding is performed – assumes users have already selected reasonable VOIP codecs for their network Dramatically reduce PPS on wire • Coalesce packets along time axis • Will provide benefit for low connection counts where additional delay can be tolerated. • Aggregate packets across concurrent voice streams • Will provide benefit where several concurrent voice calls are active. • Integrates with XipOS traffic shaping and QoS technology XRT Optimization – Benefits
  17. 17. Maximazing Network Capacity: Corporate Applications Start Saving BandwidthToday!
  18. 18. • Corporate applications transmit higher amounts of duplicated data. • A huge variety of ERP, CRM, etc… • Update / backup databases • Remote branches communicating with a Corporate office Corporate Applications :: Customer Environment
  19. 19. Cache technique reduces bandwidth for repeating data Implemented at network layer to capture repeats from various sources Works for partially repeating images like web pages with dynamic content  Dramatic bandwidth savings for 2nd/3rd pass data – Up to 80% reduction  Systematically caches “viral” videos, software updates, landing pages  No user setup required—dictionaries are built and flushed automatically Byte Caching (Data Reduction) Corporate Applications :: Network Performance Improvement Immediate Optimization after the 2nd iteration
  20. 20. Video Surveillance Optimization :: Dramatic Reductions by enabling XipLink Optimization Video Surveillance Application running on a 128Kbps upstream satellite link (30fps/Low resolution) After enabling Optimization on XipLink Optimizers at both ends, result in Bandwidth savings close to 50%.
  21. 21. Byte Caching Results :: Dramatic Reductions Byte Caching is a new feature running on XipLink Appliances from 4.0 release on. Byte Caching runs over bracketed links (Devices at both ends of the Link) . Enabling Byte Caching on XipLink Optimizers reduce BW utilization for file transfers over the Satellite Link close to 60%.
  22. 22. Maximazing Network Capacity: Link Bonding Start Saving BandwidthToday!
  23. 23. Balances TCP sessions over multiple links Packet Balances up to 10 TCP sessions over multiple links Selects the best path for UDP traffic  Allows more capacity to be fairly utilized with high uptime  Single stream sessions exceeding one link can be supported (video)  Intelligently balances to meet policies based on user-defined profiles  Maintains session persistence on link failure/cutover (High Availability) Link Balancing technology allows the intelligent distribution of traffic among multiple parallel links while performing full optimization. IP traffic can be transmitted through both paths simultaneously. Each link can have variable bandwidth and the XipOS Advanced QoS will adapt intelligently. Flows will attempt to maintain the same path whenever possible to maximize in-order delivery. Uses XipLink Lightweight Tunnels (XLT) with NAT to direct IP traffic between the separate links. Bonded traffic is fully spoofed and optimized. Supports up to two links today with up to eight in future releases. Will also balance/bond UDP traffic over multiple links in future release. Link Bonding :: Network Performance Improvement
  24. 24. InternetRemote LAN Bonded Link Link Bonding :: Network performance improvement  Increases capacity by balancingTCP sessions over multiple links.  Allows one session to be bonded across two links for added bandwidth.  Picks the best path for UDP traffic.  No need to reschedule the RF plan
  25. 25. Maximazing Network Capacity: Cellular Backhaul Start Saving BandwidthToday!
  26. 26. • Increasing demand for BW • Hundreds of users per remote site • VoIP and Data fighting for the BW • Different type of applications • Different type of traffic TCP/UDP • Expensive Infrastructure • Inefficient transport Cellular Backhaul :: Customer Environment
  27. 27. ACC provides significant benefits for cellular backhaul • GSM Voice • EDGE data traffic • 3G (UMTS) Voice/Data • CDMA Voice/Data Transparent • Works with any IP based network (e.g. all Abis over IP) Vendor Agnostic • Lossless compression (no transcoding) Cellular Backhaul :: NetworkPerformanceImprovement AdvancedCellular Compression/PacketLearning
  28. 28. Save 35 % + on CellularAccess Monetize by: • Provisioning smaller bandwidth • Increasing margin on cellular data sales Capital cost payback in 6 months or less...Example; • 1 Mbit/s Per remote (500/500) • 1Mbit/s * 35% Savings = 350 Kbit/s • 0.35 MHz @ $5,000/MHz/Mo is $1,750/Mo • XA Capital Cost $5,000** – Profitable after 3 months ** Includes hub costs, not XHO Cellular Backhaul :: NetworkPerformanceImprovement
  29. 29. ACC:: Measured Benefits – Recent Testing Tests Results - % Bandwidth Reduction: • GSMVoice 20 - 25% • EDGE DataTraffic 35% + • 3GVoice 20% + • 3G Data 5% - 10% (Encrypted) • CDMAVoice 60% • CDMA Data 35% +
  30. 30. Maximazing Return on Investment Start Saving BandwidthToday!
  31. 31. XipLink is the technology leader in developing wireless bandwidth optimization products that deliver the industry’s fastest return on investment. Typical Break Even <4 Months SCPC Link Rapid ROI :: Low Capital Cost = Fast Return
  32. 32. XipLink :: Extensive Global Implementations