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View Full Version : New Wireless Broadband Applications and Devices: Understanding the Impact on Networks



aubidamax
2012-05-24, 11:22 PM
hi all

TABLE OF CONTENTS
TABLE OF FIGURES .................................................................................................................................... 5
EXECUTIVE SUMMARY .............................................................................................................................. 7
1 BACKGROUND ..................................................................................................................................... 9
1.1 MOBILE APPLICATION LANDSCAPE ......................................................................................... 9
1.2 MOBILE NETWORK ARCHITECTURE ...................................................................................... 10
1.3 INTRODUCTION OF UMTS AND LTE NETWORK ARCHITECTURE ...................................... 11
1.3.1 LTE ........................................................................................................................................ 13
1.3.2 Offloading Architectures ........................................................................................................ 15
1.4 ACTIVITY STATES ON WIRELESS ........................................................................................... 18
1.4.1 The UMTS State Machine ..................................................................................................... 18
1.4.2 The LTE State Machine ......................................................................................................... 21
1.4.3 Interaction Between UMTS and LTE ..................................................................................... 22
1.5 QOS FOR APPLICATIONS, POLICY & CHARGING ................................................................. 22
1.5.1 UMTS QoS ............................................................................................................................ 23
1.5.2 LTE QoS ................................................................................................................................ 24
1.5.3 QoS Management and Policy Framework ............................................................................ 26
1.6 DEVICE PLATFORMS ................................................................................................................ 27
1.6.1 iOS......................................................................................................................................... 28
1.6.2 Android .................................................................................................................................. 29
1.6.3 Windows Phone..................................................................................................................... 29
1.6.4 Blackberry OS ....................................................................................................................... 30
2 PROBLEM DEFINITION ...................................................................................................................... 31
2.1 IMPACT OF APPLICATION BEHAVIOR .................................................................................... 31
2.2 IMPACT OF DEVICE PLATFORM BEHAVIOR .......................................................................... 33
2.2.1 Control Plane Impact ............................................................................................................. 33
2.2.2 Data Plane Impact ................................................................................................................. 37
2.3 TRENDS IN SECURITY.............................................................................................................. 38
2.3.1 Security Risks Associated with Smartphone ......................................................................... 38
2.3.2 Malware Propagation ............................................................................................................ 38
2.3.3 Bad Packet Injection .............................................................................................................. 38
2.4 TRENDS IN NETWORK ............................................................................................................. 39
2.4.1 Assessment of Subscribers and Applications ....................................................................... 40
2.4.2 Machine to Machine (M2M) Contributions to Traffic Growth ................................................. 43
2.4.3 Application to Historical and Current Data Traffic ................................................................. 44
3 RECOMMENDATIONS ........................................................................................................................ 47
3.1 ADDRESSING IMPACT OF APPLICATION AND DEVICE PLATFORM BEHAVIOR ............... 47
3.1.1 HeartBeat for Always-on Application ..................................................................................... 47
3.1.2 Constant Push Service .......................................................................................................... 47
3.1.3 Network Attachment .............................................................................................................. 47
3.2 ENHANCEMENTS TO NETWORK ARCHITECTURE ............................................................... 48
3.2.1 Service Delivery Environments ............................................................................................. 48
3.2.2 Subscriber and Service Aware Traffic Management ............................................................. 50
3.2.3 Network Optimization ............................................................................................................ 50
3.2.4 Data Caching in Network ....................................................................................................... 51
3.2.5 Virtualization .......................................................................................................................... 51
3.2.6 Service-Level Analytics tools ................................................................................................. 51
3.2.7 Traffic Offloading ................................................................................................................... 52
3.3 ENHANCEMENTS FOR CLIENT DEVICE APPLICATION PLATFORMS ................................. 53
3.3.1 Efficient Use of Radio Resources .......................................................................................... 53
3.3.2 Application Platform Support for Network Capabilities ......................................................... 57
3.3.3 Application Quality Assurance ............................................................................................... 57
3.4 GUIDELINES FOR APPLICATION DEVELOPMENT ................................................................. 58
3.4.1 Asynchronous Request and Responses ............................................................................... 58
3.4.2 Saving Data and Session Information ................................................................................... 59
3.4.3 Caching Data on the Device Client Application and on the Server ....................................... 59
3.4.4 Network Technology Awareness ........................................................................................... 60
3.4.5 Lengthening Data Bursts ....................................................................................................... 60
3.4.6 Queueing up Data ................................................................................................................. 61
3.4.7 Retry Scheduling ................................................................................................................... 61
3.4.8 Text Compression and Media Transcoding .......................................................................... 62
3.5 ENHANCEMENTS WITH RESPECT TO SECURITY ................................................................ 62
3.5.1 Malware Defenses ................................................................................................................. 62
3.5.2 Packet Filtering ...................................................................................................................... 64
3.6 END USER BEHAVIOR .............................................................................................................. 66
3.6.1 Increasing Awareness ........................................................................................................... 66
3.6.2 Incentives for Reducing Data Use ......................................................................................... 67
3.6.3 Equipping Users for Effective Usage Management .............................................................. 67
4 CONCLUSIONS ................................................................................................................................... 68
5 REFERENCES .................................................................................................................................... 69
ACKNOWLEDGEMENTS ........................................................................................................................... 70




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http://www.4gamericas.org/documents/4G%20Americas%20White%20Paper%20New_Wireless_Broadband_Applications_and_Devices%20May%202012.pdf

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