I. INTRODUCTION

II. TARGET USE-CASE SCENARIOS AND DATA DELIVERY CHALLENGES

III. MOBILE ENTITIES

IV. DIRECT DATA DELIVERY OVERVIEW

V. PASSIVE METHOD FOR DIRECT DATA DELIVERY

VI. ACTIVE METHOD FOR DIRECT DATA DELIVERY

VII. PAYING METHOD FOR DIRECT DATA DELIVERY

VIII. INDIRECT DATA DELIVERY OVERVIEW

IX. ASYNCHRONOUS METHOD FOR INDIRECT DELIVERY

X. SYNCHRONOUS METHOD FOR INDIRECT DELIVERY

XI. THE CASE OF VEHICULAR DATA OFFLOADING

XII. METRICS AND EVALUATION TOOLS

XIII. CONCLUSION AND OPEN RESEARCH CHALLENGES