SOP: Smart offloading proxy service for wireless content uploading over crowd events

Abstract

Since commercialization of the Internet in mid-1990, human culture has changed dramatically due to booming of innovative online services. To cope with demands of network service providers to effectively and efficiently deliver contents and services to their clients, content distribution network technologies have been developed. These technologies have been optimized to transfer data from servers to users. It is not meant to support mobile users to upload and share real-time captured multimedia contents with his/her peers through social network services. It is even more difficult for the current network to support mobile users in a hot social event to shared live pictures and videos to their social network in real time. In this paper, we present our design of smart offloading proxy (SOP) service for wireless content uploading over crowd events. To test efficiency of SOP, we simulate a mobile network environment with wireless access network connected through a long-haul WAN to the target social network server. Preliminary experiments show that with an error rate of 1% in the WAN, a mobile user may experience long fileuploading time of approximately 100 seconds in uploading a 10 MB file when a 54 Mbps WIFI media is simultaneously accessed by users randomly arrived at the inter-arrival time of 10 seconds. In contrast, it takes less than 10 seconds to upload the file if the WIFI is lightly loaded and the WAN is error free. We also show that by properly scheduling WIFI bandwidth to the mobile users, the file-uploading time can be reduced.

Duplication elimination in cache-uplink transmission over B5G small cell network

“…Many researchers have addressed the problem of uploading contents while considering the cache [23][24][25][26][27][28][29][30]. In [23], the authors proposed a mobile video uplink caching algorithm to increase video quality via recover lost video frame in real-time video transmission.…”

“…The data are offloading saved battery power without any delay in transmission when traffic is increased. In [28], proposed a smart offloading proxy (SOP) as a storing system to WiFi Base Station for temporarily caching content uploading overcrowded events. The SOP improved users'experience and reduced scheduling time of uploading user-generated content and then delivered that multimedia to the target social network.…”

Cache-Enabled Uplink Transmission in Wireless Small Cell Networks

“…There has been a few works done to address the content uploading problems with cache considered [7]- [10]. In [7], the joint upstreaming of real-time and time-shifted on-demand videos under scarce uplink resources was optimized by considering cache at mobile terminals.…”

“…Specifically, [9] demonstrated that larger contents could save more connection time for users. And [10] proposed a smart offloading mechanism for content uploading and considered the WiFi bandwidth scheduling. However, how to schedule the contents in the cache and how much cache space is needed are not addressed in [8]- [10].…”

“…Then the authors in [8] proposed a upload cache scheme in edge networks to shorten the duration and reduce the peak traffic volume, by dividing the traditional upload process into two phases: from the client to the gateway cache and from the gateway to the destination server. In addition, both [9] and [10] also divided the upload process in the same way as in [8] and placed cache at the nearby WiFi access points. Specifically, [9] demonstrated that larger contents could save more connection time for users.…”