P.  Salcedo, Octavio  J., Forero R. Julian  A., E. Vera-Parra  Nelson, 
    Bandwidth Optimization in Tor Nodes through Frame Configuration in
Hidden Services,
    Journal of Engineering and Applied Sciences,
    Volume 12,Issue 13,
    2017,
    Pages 3338-3344,
    ISSN 1816-949x,
    jeasci.2017.3338.3344,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2017.3338.3344)
    Abstract: Traffic hiding and internet filter evasion involves an overload in the frame headers transmitted using
anonymous connections with this comes a low performance in the data transfer due to the network packages
processing. This study presents a frame configuration prototype in TOR nodes through onion routing using
TOR network controllers such as txcon with the purpose to optimize the available bandwidth to share on each
node through the definition of anonymous circuits based on hidden services. In a case study, it was determined
that the available bandwidth increased to 12% in average when it was between 583 and 590 b/s download speed
and 131 and 143 b/s upload speed showing an increase both in the downloading traffic by 13% as well as in the
uploading speed by 11%. Likewise, it was found that the number of outbound connections dropped by 32%.
    Keywords: Bandwidth;internet filter;onion routing;TOR;traffic hiding