{'fraction_non_alphanumeric': 0.019907100199071003, 'fraction_numerical': 0.0019907100199071004, 'mean_word_length': 5.5, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Cross-layer TCP adaptation in DISCO for tactical edge networks

In ongoing efforts, our team has developed DISCO (Distributed Cross-layer Architecture for Network Awareness and Opportunistic Transport), a cross-layer framework to enable network awareness and automated adaptation of transport, network and application parameters in a MANET. DISCO automates discovery of new applications and services, and applies rule-based logic and machine learning to enable the network to better meet application's performance requirements or for applications to adjust their requirements. DISCO also supports legacy applications using proxies to maintain backward compatibility. Our DISCO broker collects cross layer information, shares it in a distributed manner to guide new transport and network-layer adaptation methods. In this paper, we present an overview of DISCO and introduce a new TCP variant called TCP-Derwood-Lite that benefits from DISCO's design and provides performance comparable to the original TCP-Derwood. Unlike other TCP variants that operate on per packet microsecond timescales, Derwood-Lite operates on a per-second timescale in the user space, and still provides significant performance benefits in wireless networks with path or link switches. Our EMANE emulation experiments on engineering and tactical scenarios with as many as 23 mobile nodes in an OLSR MANET show 2X performance gains over TCP Reno and TCP Westwood, comparable to TCP Derwood but with much lower processing requirements.