● 5GC NF UPF: Design and Development of Harmony and Chorus products● Contributions: Enhanced Linux Macvlan module to support VLAN tagging and developed Linux SCTP module to support active-migration in AMF● Frameworks: Kubernetes, Docker, eBPF+XDP, DPDK, BESS, VPP● Platforms: x86 and ARM

● Worked on the development of UPF data plane application using Data Plane Development Kit (DPDK) framework and familiar with DPDK internals like EAL, PMD, UIO framework, and other features.● Implemented: GBR and Non-GBR QoS profiling, ARP, IP Fragmentation, NAT, Gateway, Downlink data buffering, statistics reports, port capture, CLI, and more.● Technologies used: P4, DPDK, NFF-GO, NVMe, gRPC, Thrift● GitHub… Show more ● Worked on the development of UPF data plane application using Data Plane Development Kit (DPDK) framework and familiar with DPDK internals like EAL, PMD, UIO framework, and other features.● Implemented: GBR and Non-GBR QoS profiling, ARP, IP Fragmentation, NAT, Gateway, Downlink data buffering, statistics reports, port capture, CLI, and more.● Technologies used: P4, DPDK, NFF-GO, NVMe, gRPC, Thrift● GitHub Repos:https://github.com/muthuramanecs03g/dpdk/tree/main/app/test-pmd-gtpu https://github.com/muthuramanecs03g/nfcli Show less

● Familiar with 3GPP Technical Specification of 5G core mobile network function UPF and others.● Design and Development: UPF control plane based on user-space application and data plane based on Linux Kernel module.● UPF features: Optimized the PFCP session and rule lookup time in UPF data plane and features Encap/Decap GTP-U header, SDF, QoS flows, /proc for debug, and more.● Technologies Used: P4, DPDK, and SmartNIC.● Switch Architectures: BMv2, Tofino, Stratum, ONOS, SONiC… Show more ● Familiar with 3GPP Technical Specification of 5G core mobile network function UPF and others.● Design and Development: UPF control plane based on user-space application and data plane based on Linux Kernel module.● UPF features: Optimized the PFCP session and rule lookup time in UPF data plane and features Encap/Decap GTP-U header, SDF, QoS flows, /proc for debug, and more.● Technologies Used: P4, DPDK, and SmartNIC.● Switch Architectures: BMv2, Tofino, Stratum, ONOS, SONiC, Mininet, and Open vSwitch.● Platform: Accton CSP-7551 hardware appliance, Tofino2.● GitHub Repos:https://github.com/free5gc/gtp5g Show less

🎯 Design and Development of Linux & macOS Device Drivers: ► Protocols: SCSI, SAS, FC, iSCSI, iSNS, CHAP ► Linux Subystems: SCSI, Network, FC Initiator/Target, iSCSI Initiator/Target, PCIe, NVMe ► macOS Subystems: Storage, Network ► PROMISE Storage Subsystem Modules: Dual-Controller, VMWare VAAI SCSI, Multipath, C2C, PVA, PND ► Protocol Analyzers: Lecroy, Finisar, Wireshark ► IO Tools: IOMeter, Medusa, fio, dd, iperf ► Operating Systems: Linux x86_64… Show more 🎯 Design and Development of Linux & macOS Device Drivers: ► Protocols: SCSI, SAS, FC, iSCSI, iSNS, CHAP ► Linux Subystems: SCSI, Network, FC Initiator/Target, iSCSI Initiator/Target, PCIe, NVMe ► macOS Subystems: Storage, Network ► PROMISE Storage Subsystem Modules: Dual-Controller, VMWare VAAI SCSI, Multipath, C2C, PVA, PND ► Protocol Analyzers: Lecroy, Finisar, Wireshark ► IO Tools: IOMeter, Medusa, fio, dd, iperf ► Operating Systems: Linux x86_64, macOS ► Programming languages: C, Objective-C🎯 Contribution to PROMISE Products: ► PegasusPro: Ported Linux LSI 12G SAS driver to macOS IOKit and completed the project within 2months, and reach the performance about 2700MB/s for Read, and 2800MB/s for Write. ► SANLink Ethernet: Ported Linux 25G Ethernet Controller (Mellanox & QLogic chips) to macOS IOKit, maintained 10G (Intel Controller) ► SANLink FC: Maintained and support customer issues of macOS IOKit (Emulex) ► E5000/R3000/D5000: Ported QLogic 16G FC Target FreeBSD driver to Linux ► Vtrak Ex30/A-Class: Maintained PMC QE8 8G FC kernel module, involved the development of iSCSI 1G and 10G Intel x540-T2, ► PROMISE iSCSI: Port/Portal/Session/Connection/Target, 2K sessions, Header and Data Digest, NOP-IN and NOP-OUT, iSNS registration, MAC, Link aggregation, DHCP, VLAN, IP Failover/Failback, TCP/IP performance tunning, double buffer elimination ► PROMISE FC: Topology support fabric, p2p, and loop, Auto initiator-based LUN mapping, Auto connect PROMISE Target subsystems, discover ports in fabric, CLI commands 🎯 Customer Support and Troubleshooting: ► Enhanced Promise SCSI target subsystem command handling, and solved long pending most vulnerable issues ► Familiar with troubleshooting the hosts (Windows server/Linux/macOS/VMWare), switch and HBA(Cisco/QLogic/Emulex/HP/Brocade/Mellanox/Intel/LSI) ► Worked with FAE team and customers on escalated issues Show less

Protocol development like SCSI, FibreChannel, and iSCSI (RFC3720) for the client PROMISE Technology, USA.