On September 1, 2014, Decos Communications Ltd. released a series of network test App software based on Android operating system. These test software can be installed on special PDA devices (such as ST307 and ST317 of Shandong Xintong), smartphones or Pad terminals for Telecom installers and maintenance personnel, and can be used for IPTV, OTT TV, mobile video, IP network Troubleshooting tests for various faults and business quality problems. The EVA Android version of App software released this time includes:

(1)  EVA network test App software: support one-button network packet capture and data file reporting, can be wired Ethernet port, WiFi, 3G/4G interface IP packet capture, save as a pcap file, and report to the PDA central management server, using Wireshark protocol analysis software or EVA professional software analysis); support Ping and Traceroute test.

(2)  EVA IPTV App software: support comprehensive IPTV QoS/QoE index test and data reporting, including video quality (MOS), live channel switching delay, VoD on demand switching delay, EPG page response time, MDI, RTP packet loss rate, TCP retransmission rate, etc. support expert system analysis function, can automatically identify IPTV program source, video clothing, etc. Various problems of server, IP bearer network, EPG server and STB terminal.

(3)  EVA OTT App software: support comprehensive OTT/HLS QoS/QoE index test and data reporting, including video card screen time, card screen number, on-demand switching delay, video download rate (bps), OV-Score (1-5 points), HTTP response delay, HTTP return code, TCP connection setup delay, TCP retransmission rate, etc. support expert system analysis power. It can automatically identify all kinds of problems of CDN video server, IP bearer network and OTT terminal.

(4)  EVA Mobile Video App Software: It can be used for on-line testing of mobile video viewed on smartphones or Pads; it can automatically identify various mobile video streaming formats, including HLS live, HLS on demand, HTTP progressive file (FLV, MP4, TS) download; support comprehensive OTT/HLS QoS/QoE index testing, including video card screen length, card screen number Number, switching delay, video download rate (bps), OV-Score (1-5 points), HTTP response delay, HTTP return code, TCP connection setup delay, TCP retransmission rate, etc. Support expert system analysis function, can automatically identify CDN video server, IP bearer network, OTT terminal problems.

In addition to the above-mentioned Android test App software, the company also released EVA PDA central management software, which can store, query and analyze the data of Telecom installation and maintenance personnel information, fault user information, pcap packet capture files, QoS/QoE indicators, warning events and expert tips reported by the test App software. Through the EVA PDA central management software, the engineers of the network maintenance center can analyze the test data reported by the front-line maintenance personnel in detail, so as to find out the root cause of the fault. The basis of network optimization is provided.