69 Opendht PPTs View free & download

OpenDHT: A Shared, Public DHT Service PowerPoint PPT Presentation

OpenDHT: A Shared, Public DHT Service - Title: OpenHash vs. Your Mother Author: Trial User Last modified by: Trial User Created Date: 8/17/2004 5:32:20 PM Document presentation format: On-screen Show

Title: OpenHash vs. Your Mother Author: Trial User Last modified by: Trial User Created Date: 8/17/2004 5:32:20 PM Document presentation format: On-screen Show

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OpenDHT: A Public DHT Service PowerPoint PPT Presentation

OpenDHT: A Public DHT Service - Joint work with: Brighten Godfrey, Brad Karp, John Kubiatowicz, ... CFS, HiveCache, PAST, Pastiche. OceanStore / Pond. Content Distribution Networks / Web Caches ...

Joint work with: Brighten Godfrey, Brad Karp, John Kubiatowicz, ... CFS, HiveCache, PAST, Pastiche. OceanStore / Pond. Content Distribution Networks / Web Caches ...

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Fixing the Embarrassing Slowness of OpenDHT on PlanetLab PowerPoint PPT Presentation

Fixing the Embarrassing Slowness of OpenDHT on PlanetLab - Sean Rhea, Byung-Gon Chun, John Kubiatowicz, and Scott Shenker. UC Berkeley (and now MIT) ... Sean C. Rhea. Fixing the Embarrassing Slowness of OpenDHT on ...

Sean Rhea, Byung-Gon Chun, John Kubiatowicz, and Scott Shenker. UC Berkeley (and now MIT) ... Sean C. Rhea. Fixing the Embarrassing Slowness of OpenDHT on ...

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OpenVoIP An Open Peer-to-Peer VoIP and IM System PowerPoint PPT Presentation

OpenVoIP An Open Peer-to-Peer VoIP and IM System - NAT traversal. Non-OpenDHT nodes cannot fully participate in the overlay ... (search NAT traversal relay) Facts of Peer-to-Peer Life. Routing loops happen ...

NAT traversal. Non-OpenDHT nodes cannot fully participate in the overlay ... (search NAT traversal relay) Facts of Peer-to-Peer Life. Routing loops happen ...

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A performance vs. cost framework for evaluating DHT design tradeoffs under churn PowerPoint PPT Presentation

A performance vs. cost framework for evaluating DHT design tradeoffs under churn - A performance vs. cost framework for evaluating DHT design tradeoffs under churn ... Coral, OpenDHT, UsenetDHT, ePost, OceanStore, CoDNS, Overnet ...

A performance vs. cost framework for evaluating DHT design tradeoffs under churn ... Coral, OpenDHT, UsenetDHT, ePost, OceanStore, CoDNS, Overnet ...

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A%20Public%20DHT%20Service PowerPoint PPT Presentation

A%20Public%20DHT%20Service - Album & Track Titles. Sean C. Rhea. OpenDHT: A Public DHT Service. August 23, 2005 ... New Albums. Disc Fingerprint. Disc Info. Disc Fingerprint. Sean C. Rhea ...

Album & Track Titles. Sean C. Rhea. OpenDHT: A Public DHT Service. August 23, 2005 ... New Albums. Disc Fingerprint. Disc Info. Disc Fingerprint. Sean C. Rhea ...

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Beyond Theory: DHTs in Practice PowerPoint PPT Presentation

Beyond Theory: DHTs in Practice - Instead, implement a new DHT called Bamboo. Same overlay structure as Pastry ... Been running Bamboo / OpenDHT on PlanetLab since April 2004. Constantly run a ...

Instead, implement a new DHT called Bamboo. Same overlay structure as Pastry ... Been running Bamboo / OpenDHT on PlanetLab since April 2004. Constantly run a ...

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Peer-to-peer approaches for SIP PowerPoint PPT Presentation

Peer-to-peer approaches for SIP - Henning Schulzrinne Dept. of Computer Science Columbia University Peer-to-peer approaches for SIP

Henning Schulzrinne Dept. of Computer Science Columbia University Peer-to-peer approaches for SIP

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Non-Transitive Connectivity and DHTs PowerPoint PPT Presentation

Non-Transitive Connectivity and DHTs - Non-Transitive Connectivity and DHTs. Mike Freedman. Karthik Lakshminarayanan. Sean Rhea. Ion Stoica. WORLDS 2005. X. Distributed Hash Tables... System assigns ...

Non-Transitive Connectivity and DHTs. Mike Freedman. Karthik Lakshminarayanan. Sean Rhea. Ion Stoica. WORLDS 2005. X. Distributed Hash Tables... System assigns ...

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A Cooperative SIP Infrastructure for Highly Reliable Telecommunication Services PowerPoint PPT Presentation

A Cooperative SIP Infrastructure for Highly Reliable Telecommunication Services - Title: Part I: Introduction Author: Don Towsley Last modified by: Ali Fessi Created Date: 10/8/1999 7:08:27 PM Document presentation format: Bildschirmpr sentation

Title: Part I: Introduction Author: Don Towsley Last modified by: Ali Fessi Created Date: 10/8/1999 7:08:27 PM Document presentation format: Bildschirmpr sentation

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Peer-to-peer Communication Services PowerPoint PPT Presentation

Peer-to-peer Communication Services - How to discover an existing DHT? How to construct a DHT efficiently ... How to construct a DHT efficiently from scratch. first time or after major disruption ...

How to discover an existing DHT? How to construct a DHT efficiently ... How to construct a DHT efficiently from scratch. first time or after major disruption ...

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CS 268: Lecture 22 DHT Applications PowerPoint PPT Presentation

CS 268: Lecture 22 DHT Applications - lookup() returns list with node IDs closer in ID space to block ID ... Lookup(blockID) List of node-ID, IP address finger table with node IDs, IP address ...

lookup() returns list with node IDs closer in ID space to block ID ... Lookup(blockID) List of node-ID, IP address finger table with node IDs, IP address ...

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An OceanStore Retrospective PowerPoint PPT Presentation

An OceanStore Retrospective - An OceanStore Retrospective John Kubiatowicz University of California at Berkeley

An OceanStore Retrospective John Kubiatowicz University of California at Berkeley

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Peer-to-Peer Filesystems PowerPoint PPT Presentation

Peer-to-Peer Filesystems - Homework 5 and 6 due in April. Project 5 and 6 due in April and ... (Bit)Torrents for faster download. Legality. Are there any good legal uses for P2P systems? ...

Homework 5 and 6 due in April. Project 5 and 6 due in April and ... (Bit)Torrents for faster download. Legality. Are there any good legal uses for P2P systems? ...

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VoIP:%20Not%20your%20grandmother's%20phone%20any%20more PowerPoint PPT Presentation

VoIP:%20Not%20your%20grandmother's%20phone%20any%20more - Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV ...

Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV ...

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A Case Study in Building Layered DHT Applications PowerPoint PPT Presentation

A Case Study in Building Layered DHT Applications - Distributed systems are designed to be scalable, available and robust ... Layering allows inheriting of robustness, availability and scalable routing from ...

Distributed systems are designed to be scalable, available and robust ... Layering allows inheriting of robustness, availability and scalable routing from ...

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VoIP - beyond replicating the limitations of the past PowerPoint PPT Presentation

VoIP - beyond replicating the limitations of the past - Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV ...

Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV ...

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Peter Pietzuch, Jeffrey Shneidman, Jonathan Ledlie, Mema Roussopoulos, Margo Seltzer, Matt Welsh PowerPoint PPT Presentation

Peter Pietzuch, Jeffrey Shneidman, Jonathan Ledlie, Mema Roussopoulos, Margo Seltzer, Matt Welsh - Data Flow Abstraction: Circuit. Consumer Node. Service. Data Producer Nodes. Data Flow Abstraction: Circuit. Where? Metrics for Placement. Application costs. Path ...

Data Flow Abstraction: Circuit. Consumer Node. Service. Data Producer Nodes. Data Flow Abstraction: Circuit. Where? Metrics for Placement. Application costs. Path ...

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PlanetLab: An open platform for developing, deploying, and accessing planetary-scale services http://www.planet-lab.org PowerPoint PPT Presentation

PlanetLab: An open platform for developing, deploying, and accessing planetary-scale services http://www.planet-lab.org - PlanetLab is a global research network that supports the ... Linux kernel (Fedora Core) Vservers (namespace isolation) Schedulers (performance isolation) ...

PlanetLab is a global research network that supports the ... Linux kernel (Fedora Core) Vservers (namespace isolation) Schedulers (performance isolation) ...

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Anycast for Any Service PowerPoint PPT Presentation

Anycast for Any Service - Your service can get blacklisted! Keyword frequency on PlanetLab ... Check blacklist for netblock and target IP (after traceroute) Make it easy to integrate ...

Your service can get blacklisted! Keyword frequency on PlanetLab ... Check blacklist for netblock and target IP (after traceroute) Make it easy to integrate ...

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Scalable Secure Identity Establishment PowerPoint PPT Presentation

Scalable Secure Identity Establishment - Am I really talking to Bank of America? Is it secure? ... PKI certifies that Bob has public key PKBob. PKI also says 'trust Bob. ...

Am I really talking to Bank of America? Is it secure? ... PKI certifies that Bob has public key PKBob. PKI also says 'trust Bob. ...

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IT Doesnt Matter PowerPoint PPT Presentation

IT Doesnt Matter - ... the company announced that the Zune digital media player and online service ... The Zune device will retail for $249.99 U.S. (ERP) and will create new ways for ...

... the company announced that the Zune digital media player and online service ... The Zune device will retail for $249.99 U.S. (ERP) and will create new ways for ...

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SOSIMPLE: A Serverless, Standardsbased, P2P SIP Communication System PowerPoint PPT Presentation

SOSIMPLE: A Serverless, Standardsbased, P2P SIP Communication System - Cullen Jennings. Cisco. 2. VoIP/IM. VoIP Voice over IP (Internet Protocol) ... Alice- Alice's Node. Bob- Bob's Node. Standard SIP used for connection. No ...

Cullen Jennings. Cisco. 2. VoIP/IM. VoIP Voice over IP (Internet Protocol) ... Alice- Alice's Node. Bob- Bob's Node. Standard SIP used for connection. No ...

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Projects Overview Andrea Forte PowerPoint PPT Presentation

Projects Overview Andrea Forte - AUC builds DUID:MAC pair table (DHCP traffic only) ... Should sipd use 2-stage thread pool architecture? 2005-2006. SIP conference server Performance ...

AUC builds DUID:MAC pair table (DHCP traffic only) ... Should sipd use 2-stage thread pool architecture? 2005-2006. SIP conference server Performance ...

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356961: Internet Protocols PowerPoint PPT Presentation

356961: Internet Protocols - 670 machines spanning 325 sites and 35 countries. nodes within a LAN-hop of 3M users ... Stork (environment service): Arizona. Emulab (provisioning service): Utah ...

670 machines spanning 325 sites and 35 countries. nodes within a LAN-hop of 3M users ... Stork (environment service): Arizona. Emulab (provisioning service): Utah ...

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Peertopeer systems for autonomic VoIP and web hotspot handling PowerPoint PPT Presentation

Peertopeer systems for autonomic VoIP and web hotspot handling - Peer-to-peer systems for autonomic VoIP and web hotspot handling ... malicious node, sybil attack. SPAM, DDoS. Privacy, anonymity (?) Other issues ...

Peer-to-peer systems for autonomic VoIP and web hotspot handling ... malicious node, sybil attack. SPAM, DDoS. Privacy, anonymity (?) Other issues ...

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A Survey on Wireless Multimedia Sensor Networks PowerPoint PPT Presentation

A Survey on Wireless Multimedia Sensor Networks - Developed by Intel and Crossbow. Imote 2. 6/21/09. Energy Harvesting ... flexible OS and Middleware to make functional abstractions and information ...

Developed by Intel and Crossbow. Imote 2. 6/21/09. Energy Harvesting ... flexible OS and Middleware to make functional abstractions and information ...

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P2P-SIP%20Peer%20to%20peer%20Internet%20telephony%20using%20SIP PowerPoint PPT Presentation

P2P-SIP%20Peer%20to%20peer%20Internet%20telephony%20using%20SIP - Kazaa. File sharing. Communication and collaboration ... Unstructured (Kazaa, Gnutella,...) Structured (DHT: Chord, CAN,...) Skype and related systems ...

Kazaa. File sharing. Communication and collaboration ... Unstructured (Kazaa, Gnutella,...) Structured (DHT: Chord, CAN,...) Skype and related systems ...

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p2p06 - ... Implementation If a p2p system uses ... Less durability/availability Types of Replication Caching vs ... Consistency Maintenance Make reads faster in ...

... Implementation If a p2p system uses ... Less durability/availability Types of Replication Caching vs ... Consistency Maintenance Make reads faster in ...

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CS 194: Distributed Systems DHT Applications: What and Why PowerPoint PPT Presentation

CS 194: Distributed Systems DHT Applications: What and Why - Title: Systems Area: OS and Networking Author: Campus User Last modified by: Ion Stoica Created Date: 2/16/1997 2:02:43 PM Document presentation format

Title: Systems Area: OS and Networking Author: Campus User Last modified by: Ion Stoica Created Date: 2/16/1997 2:02:43 PM Document presentation format

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Protocol and System Design, Reliability, and Energy Efficiency in Peer-to-Peer Communication Systems PowerPoint PPT Presentation

Protocol and System Design, Reliability, and Energy Efficiency in Peer-to-Peer Communication Systems - Protocol and System Design, Reliability, and Energy Efficiency in Peer-to-Peer Communication Systems Salman Abdul Baset salman@cs.columbia.edu Thesis defense

Protocol and System Design, Reliability, and Energy Efficiency in Peer-to-Peer Communication Systems Salman Abdul Baset salman@cs.columbia.edu Thesis defense

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Advanced Multimedia and Presence Services using Classical and P2P SIP PowerPoint PPT Presentation

Advanced Multimedia and Presence Services using Classical and P2P SIP - Microsoft's Windows Messenger (4.7) includes SIP. April 13, 2006. Jiao Tong University, Shanghai ... Yahoo, MSN, Skype presence services: on-line & off-line ...

Microsoft's Windows Messenger (4.7) includes SIP. April 13, 2006. Jiao Tong University, Shanghai ... Yahoo, MSN, Skype presence services: on-line & off-line ...

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Advanced Multimedia and Presence Services using Classical and P2P SIP - Jiao Tong University, Shanghai. 1 ... Jiao Tong University, Shanghai. 16. SIP addressing. Users identified by SIP or tel URIs ...

Jiao Tong University, Shanghai. 1 ... Jiao Tong University, Shanghai. 16. SIP addressing. Users identified by SIP or tel URIs ...

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PeertoPeer Networks PowerPoint PPT Presentation

PeertoPeer Networks - Contributions from Peter Druschel & Sean Rhea. Fall 2006. CS 561. 2. What is Peer-to-Peer About? ... Lookup/insert object in log16 N routing steps (expected) ...

Contributions from Peter Druschel & Sean Rhea. Fall 2006. CS 561. 2. What is Peer-to-Peer About? ... Lookup/insert object in log16 N routing steps (expected) ...

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CS 194: Distributed Systems Distributed Hash Tables PowerPoint PPT Presentation

CS 194: Distributed Systems Distributed Hash Tables - new. J. 4) split J's zone in half... new node owns one half. 24. Node ... Node 50 needs to know at least one node already in the system. Assume known node is 15 ...

new. J. 4) split J's zone in half... new node owns one half. 24. Node ... Node 50 needs to know at least one node already in the system. Assume known node is 15 ...

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OCALA: An Architecture for Supporting Legacy Applications over Overlays PowerPoint PPT Presentation

OCALA: An Architecture for Supporting Legacy Applications over Overlays - OCALA: An Architecture for Supporting Legacy Applications over Overlays ... Works on Linux and Windows XP/2000 (using cygwin) Implemented RON and i3 OC-D modules. ...

OCALA: An Architecture for Supporting Legacy Applications over Overlays ... Works on Linux and Windows XP/2000 (using cygwin) Implemented RON and i3 OC-D modules. ...

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VoIP%20-%20Moving%20from%20protocols%20to%20architecture(s) PowerPoint PPT Presentation

VoIP%20-%20Moving%20from%20protocols%20to%20architecture(s) - allows direct routing of latency-sensitive media packets (10 ms matters) without constraining service delivery (1s matters) facilitates mobility ...

allows direct routing of latency-sensitive media packets (10 ms matters) without constraining service delivery (1s matters) facilitates mobility ...

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SIP presence PowerPoint PPT Presentation

SIP presence - ... mail tedious, doesn't scale, hard to search and catalogue, no indication of when ... automated call back rarely used, too inflexible ...

... mail tedious, doesn't scale, hard to search and catalogue, no indication of when ... automated call back rarely used, too inflexible ...

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A%20Strategy%20for%20Continually%20Reinventing%20the%20Internet PowerPoint PPT Presentation

A%20Strategy%20for%20Continually%20Reinventing%20the%20Internet - Clean-Slate. replace the Internet with a new network architecture ... simultaneously support real users and clean slate designs. allow a thousand flowers to bloom ...

Clean-Slate. replace the Internet with a new network architecture ... simultaneously support real users and clean slate designs. allow a thousand flowers to bloom ...

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PlanetLab Tutorial PowerPoint PPT Presentation

PlanetLab Tutorial - ... state via Boot API. 13. Chain-boot node (no restart) 14. Node booted ... 12. Verify node key, change state to 'boot' 5. Send boot manager. Software environment ...

... state via Boot API. 13. Chain-boot node (no restart) 14. Node booted ... 12. Verify node key, change state to 'boot' 5. Send boot manager. Software environment ...

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Deployable DDoS Resiliency PowerPoint PPT Presentation

Deployable DDoS Resiliency - Deployable DDoS Resiliency Ph.D. Candidate: Soon Hin Khor Advisor: Assoc. Prof. Akihiro Nakao

Deployable DDoS Resiliency Ph.D. Candidate: Soon Hin Khor Advisor: Assoc. Prof. Akihiro Nakao

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CS 194: Lecture 28 PowerPoint PPT Presentation

CS 194: Lecture 28 - Rendezvous: uses DHT to store current 'location' Storage: uses DHT to store data objects ... store full articles in DHT (only once, not N times) only transmit ...

Rendezvous: uses DHT to store current 'location' Storage: uses DHT to store data objects ... store full articles in DHT (only once, not N times) only transmit ...

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Making PeertoPeer Work for SIP PowerPoint PPT Presentation

Making PeertoPeer Work for SIP - Tom's Music._daap._tcp.local. TXT 'Version=196613' 'iTSh Version=196608' ... nodes keep search index of neighbors. forward queries (e.g., random walk) ...

Tom's Music._daap._tcp.local. TXT 'Version=196613' 'iTSh Version=196608' ... nodes keep search index of neighbors. forward queries (e.g., random walk) ...

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Reliable, Scalable and Interoperable Internet Telephony PowerPoint PPT Presentation

Reliable, Scalable and Interoperable Internet Telephony - Reliable, Scalable and Interoperable Internet Telephony PhD thesis presentation by Kundan Singh Advisor: Henning Schulzrinne Computer Science Department, Columbia ...

Reliable, Scalable and Interoperable Internet Telephony PhD thesis presentation by Kundan Singh Advisor: Henning Schulzrinne Computer Science Department, Columbia ...

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Data Stream Algorithms Intro, Sampling, Entropy PowerPoint PPT Presentation

Data Stream Algorithms Intro, Sampling, Entropy - Data Stream Algorithms Intro, Sampling, Entropy Graham Cormode graham@research.att.com

Data Stream Algorithms Intro, Sampling, Entropy Graham Cormode graham@research.att.com

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Gathering Presentation Template PowerPoint PPT Presentation

Gathering Presentation Template - 20 min Report from HIP and Related Architectures workshop. 15 min ... How to 'cross the chasm' between architecture and reality (Early Adopters)? Architectures ...

20 min Report from HIP and Related Architectures workshop. 15 min ... How to 'cross the chasm' between architecture and reality (Early Adopters)? Architectures ...

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Architectures%20and%20Algorithms%20for%20Internet-Scale%20(P2P)%20Data%20Management PowerPoint PPT Presentation

Architectures%20and%20Algorithms%20for%20Internet-Scale%20(P2P)%20Data%20Management - This file was generated using MS PowerPoint 2004 for Mac. ... Loo, Robert Morris, Sriram Ramabhadran, Sean Rhea, Ion Stoica, David Wetherall ...

This file was generated using MS PowerPoint 2004 for Mac. ... Loo, Robert Morris, Sriram Ramabhadran, Sean Rhea, Ion Stoica, David Wetherall ...

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Berkeley RAD Lab: Robust, Adaptive, Distributed Systems PowerPoint PPT Presentation

Berkeley RAD Lab: Robust, Adaptive, Distributed Systems - Armando Fox, Randy Katz, Michael Jordan, Dave Patterson, Scott Shenker, Ion Stoica ... Patel, Gilman Tolle, Jon Hui, Armando Fox, Michael I. Jordan, David Patterson. ...

Armando Fox, Randy Katz, Michael Jordan, Dave Patterson, Scott Shenker, Ion Stoica ... Patel, Gilman Tolle, Jon Hui, Armando Fox, Michael I. Jordan, David Patterson. ...

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Democratizing content distribution PowerPoint PPT Presentation

Democratizing content distribution - Martin Casado, Eric Freudenthal, Karthik Lakshminarayanan, ... Siddhartha Annapureddy, Hari Balakrishnan, Dan Boneh, ... for measurements: Illuminati. 4. ...

Martin Casado, Eric Freudenthal, Karthik Lakshminarayanan, ... Siddhartha Annapureddy, Hari Balakrishnan, Dan Boneh, ... for measurements: Illuminati. 4. ...

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Induced Churn as Shelter from RoutingTable Poisoning PowerPoint PPT Presentation

Induced Churn as Shelter from RoutingTable Poisoning - Induced Churn as Shelter from Routing-Table Poisoning ... Many others: Akamai, Coral, Microsoft Exchange, Friends Troubleshooting Network, SOS, RON, ...

Induced Churn as Shelter from Routing-Table Poisoning ... Many others: Akamai, Coral, Microsoft Exchange, Friends Troubleshooting Network, SOS, RON, ...

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VoIP Year 10 PowerPoint PPT Presentation

VoIP Year 10 - 'amazing the. phone rings' 'does it do. call transfer?' 'how can I make it. stop ringing? ... consumer applications. serious trust issues. Motivation. no ...

'amazing the. phone rings' 'does it do. call transfer?' 'how can I make it. stop ringing? ... consumer applications. serious trust issues. Motivation. no ...

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Induced Churn as Shelter from RoutingTable Poisoning - UC Berkeley and Intel Research Berkeley. Tyson Condie. NDSS 2006. 2. Roadmap. Overlay networks ... Can use in/out-degree as an indicator to routing table poisoning ...

UC Berkeley and Intel Research Berkeley. Tyson Condie. NDSS 2006. 2. Roadmap. Overlay networks ... Can use in/out-degree as an indicator to routing table poisoning ...

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Data Stream Algorithms Intro, Sampling, Entropy - Data Stream Algorithms Intro, Sampling, Entropy Graham Cormode graham@research.att.com Outline Introduction to Data Streams Motivating examples and applications Data ...

Data Stream Algorithms Intro, Sampling, Entropy Graham Cormode graham@research.att.com Outline Introduction to Data Streams Motivating examples and applications Data ...

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On CommunityOriented Internet Measurement PowerPoint PPT Presentation

On CommunityOriented Internet Measurement - Protects against MP-targeted DoS. Measurement target-keyed DHT tables recording measurement rate. Protects against a reflected DoS attack. Community orientation ...

Protects against MP-targeted DoS. Measurement target-keyed DHT tables recording measurement rate. Protects against a reflected DoS attack. Community orientation ...

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CS 268: Lecture 16 PowerPoint PPT Presentation

CS 268: Lecture 16 - If NC=1, then NA=33 looks new (and NA=66 looks old) ... Core-State Fair Queueing (CSFQ) A way to approximate fair queueing without state in core routers ...

If NC=1, then NA=33 looks new (and NA=66 looks old) ... Core-State Fair Queueing (CSFQ) A way to approximate fair queueing without state in core routers ...

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LowCost Internet Access using mechanical backhaul PowerPoint PPT Presentation

LowCost Internet Access using mechanical backhaul - expensive monthly rental. spare parts are hard to get. Long range ... Support both kiosk and laptop/PDA users. What's hard about this? ... this space for rent ...

expensive monthly rental. spare parts are hard to get. Long range ... Support both kiosk and laptop/PDA users. What's hard about this? ... this space for rent ...

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Opendht PowerPoint PPT Presentations