| | Categories | Approaches | Research works |
| | Mechanism | Appearance | Yang and Shao [25] | | Size | Chen et al. [26] | | Format | Chen et al. [26] | | Characteristics | Moldovan and Muntean [17], Lum and Lau [28], Chen et al. [29], and Lin et al. [30] | | Encapsulation | Yang et al. [31] and Shin et al. [32] |
| | Strategies | System | Snowdon et al. [5] and Chen et al. [29] | | Application | Moldovan and Muntean [17], Mohan et al. [21], Laakko and Hiltunen [23], Zhang [24], and Lum and Lau [28] | | System and application | Noble et al. [34] |
| | Localities | Client side | Mohan et al. [21] and Chua et al. [22] | | Server side | Buyukkokten et al. [35], Muntean and McManis [36], and Tamai et al. [37] | | Proxy side | He et al. [10], Laakko and Hiltunen [23], Lum and Lau [28], and Hsiao et al. [38] | | Distributed | Brewer et al. [39] and Md-Fudzee and Abawajy [40] |
| | Purpose | General purpose | Xadaptor [10], InfoPyramid [21], Odyssey [34], Power Browser [35], and VTP [38] | | Content specific | Moldovan and Muntean [17], Lum and Lau [28], Lin et al. [30], Tamai et al. [37], and Park et al. [41] |
| | Context | Device centric | Mohan et al. [21], Shin et al. [32], Tamai et al. [37], and Mcmullin et al. [18] | | User centric | Moldovan and Muntean [17], Lum and Lau [28], and Muntean and McManis [36] |
| | Techniques | Adaptive streaming | Kennedy et al. [3], Lin et al. [30], and Tamai et al. [37] | | Distillation | Yang and Shao [25], Yang et al. [31], Buyukkokten et al. [35], Chen et al. [42], and Ramaswamy et al. [43] | | Content selection | Mohan et al. [21], Chandra and Vahdat [44], Mohapatra et al. [45], and Mcmullin et al. [18] | | Scalable video coding | Moldovan and Muntean [17], Alt and Simon [46], and Park et al. [41] | | Colour | Shin et al. [32] and Dong et al. [49] |
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