Charles Ho Email & Phone Number

Taipei City, Taiwan, Taiwan

Taipei Taiwan

Taipei, Taiwan

• To build carrier-grade high availability services in the AAA and 4G/5G/WiFi wireless field.• Carrier-grade High-Speed RADIUS Accounting Information Platform - Tech Lead and Project Owner- Built high-speed RADIUS cluster designed to receive Accounting message from PGW.- Implement distributed NoSQL structure and memcache based datastore.- Build in core network of Taiwan's top-three telecom operators.- Total serve over 20M subscribers for authentication, auto-login… Show more • To build carrier-grade high availability services in the AAA and 4G/5G/WiFi wireless field.• Carrier-grade High-Speed RADIUS Accounting Information Platform - Tech Lead and Project Owner- Built high-speed RADIUS cluster designed to receive Accounting message from PGW.- Implement distributed NoSQL structure and memcache based datastore.- Build in core network of Taiwan's top-three telecom operators.- Total serve over 20M subscribers for authentication, auto-login and identify for eMask Ordering System.- (Extend project) Coordinate with Taiwan's top cybersecurity company in older to provide various security solution in TW & JP .- (Extend project) Build in core network of HongKong's top telecom operators.- Technical Skills: RHEL / ESXi / 3GPP / RADIUS / PERL / PHP / MariaDB / Redis / GITHUB / Drone • Real-Time Mobile AI Mobile-IoT Platform - Tech Lead - Built Real-time AIoT Monitoring Platform designed to analysis IoT behavior and do scenario-based training.- Design data pipeline, ETL and learning algorithms that will trigger alert if pattern was abnormal.- Build in core network of Taiwan's top telecom operators.- Monitoring over 100K IoT devices and perform machine leaning mechanisms.- Technical Skills: RHEL / ESXi / PERL / PYTHON / MariaDB / Redis / K8S / GITHUB / Drone • WiFi-Calling & VoLTE add-value services (IMS AS Service)- Built High-availability cluster to integrate with CSCF via SIP protocol.- Perform location analysis (location-based services) of with 4G/3G cell id and SIP header.- Generate location based call number for emergency call (e.g. 911).Technical Skills: RHEL / SIP / PERL / MariaDB / Redis / Docker / GITHUB • Telecom WiFi AAA Platform- Provide MAC/UAM/EAPSIM/WPA2-enterprise/Roaming authentication method and use external web authentication.- Integrate with HSS via SS7 GW for EAPSIM.- Serve over million subs and stores.Technical Skills: IEEE 802.11 / 802.1X / RADIUS / PHP / MariaDB / SIGTRAN Show less

Taipei, Taiwan

• Organized a team to design, survey and implement multi-media system and systemized requirements.# Projects• Large Media Warehouse System (ABYSS, http://www.abyss.com.tw/)- Project Owner & Team Leader- Built large-scale video warehouse cloud and multimedia streaming cloud.- Design architecture and network plan.- Design Hardware configuration include box, cpu, hard drive, hba and switch.- Design file system, communication protocol and data/control plan.-… Show more • Organized a team to design, survey and implement multi-media system and systemized requirements.# Projects• Large Media Warehouse System (ABYSS, http://www.abyss.com.tw/)- Project Owner & Team Leader- Built large-scale video warehouse cloud and multimedia streaming cloud.- Design architecture and network plan.- Design Hardware configuration include box, cpu, hard drive, hba and switch.- Design file system, communication protocol and data/control plan.- Embedded transcoding server to create thumbnail and perform online editing, transrate, transcode.- Implement dispatch server for live streaming and fast preview.- Design disaster recovery procedure and mechanism.- The cloud is a video-oriented cluster and designed to reduces cost for the media industry, total 2PB space for 4K video and over 10K hours media.• OTT Platform (ELTA OTT, https://eltaott.tv/)- Project Owner & Team Leader- Built OTT Platform to serve Live and VOD services and big events, e.g. Olympic games and FIFA.- Design architecture and VM plan.- Provide APIs, which generate video list, video information and streaming endpoint, to WEB GUI implementation. - Built proxy and cache server to offload traffic and build load balancer for load sharing.- Built big data analysis platform to record user behavior and analysis favorite video.- Uses over 40 VMs and with CDN to provide stable streaming quality and payment system.# Tech skillsCloud Platform- Azure / AWS / Digital Ocean / LinodeAnalysis tools- Hadoop, Spark, Hive, R, Pentaho(Kettle, Mondrian, Report, OLAP), Kafka- Crawler (perl/php)- Apache access logs analyse (perl)- Firewall logs analyse (hadoop mapreduce)- Radiator Radius (perl)- Google Analytics- Countly- CKANOSs- RHEL, CentOS, Ubuntu, FreeBSDProgramming Languages- Perl, PHP, Bash, R, Python, JAVA, C Databases- mysql, mariadb, mssql, mongodb, RedisCI CD-GitHub / GitLab / Gitea / Drone / Docker / Jenkins / HARBOR / K8S / Portainer Show less

Taipei, Taiwan

Ph.D Candidate, Electrical And Computer Engineering

Received M.S. degree from Lunghwa University of Science and Technology in 2011. Was a Ph.D. candidate in the Institute of Department.

Master'S Degree, Electrical And Computer Engineering

Research interests include Network engineering, 802.16, LTE-A, and WIFI. A developer in the RADIUS field.