A Survey of Delay Tolerant Networks Routing Protocols
Zhenxin Feng, Kwan-Wu Chin

TL;DR
This survey reviews 63 routing protocols for delay tolerant networks, categorizing and comparing their approaches, performance, and research gaps, with a focus on social network and epidemiology-inspired methods.
Contribution
It provides a comprehensive classification and comparison of existing DTN routing protocols and discusses future research directions.
Findings
Extensive qualitative comparison of protocols
Highlighting deficiencies in design and methodology
Review of social network and epidemiology-based approaches
Abstract
Advances in Micro-Electro-Mechanical Systems (MEMS) have revolutionized the digital age to a point where animate and inanimate objects can be used as a communication channel. In addition, the ubiquity of mobile phones with increasing capabilities and ample resources means people are now effectively mobile sensors that can be used to sense the environment as well as data carriers. These objects, along with their devices, form a new kind of networks that are characterized by frequent disconnections, resource constraints and unpredictable or stochastic mobility patterns. A key underpinning in these networks is routing or data dissemination protocols that are designed specifically to handle the aforementioned characteristics. Therefore, there is a need to review state-of-the-art routing protocols, categorize them, and compare and contrast their approaches in terms of delivery rate, resource…
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Taxonomy
TopicsOpportunistic and Delay-Tolerant Networks · Mobile Ad Hoc Networks · Caching and Content Delivery
