Managing platform/networking NFVIS group

Worked with Senior Mgmt, system engineering and sales teams for Infiniband, IPoIB for PanFS - Stoage InfiniBand Router for ethernet PanFS based on next gen COTS.Perfomance and Scale for next Gen PanFS based solution - multi petabytes, multi rack solution .Embdded Infiniband Solution for Ethernet based PanFS.FreeBSD, Mellanox OFED for Connect-X 5/6 etc.

• Hands on Architect interfacing with Product Management for requirement, working with engineering teams on project planning, effort estimation, design and implementation of SLX/VDX features. • Managed, mentored, lead engineering teams in product and feature delivery.• Linux Kernel 4.14: Kernel module for Linux 4.14 to port 2.6.34 kernel enhancement that can be debugged and upgraded at run time to make kernel network infra portable across Linux upgrade. • Containerization of SLX -… Show more • Hands on Architect interfacing with Product Management for requirement, working with engineering teams on project planning, effort estimation, design and implementation of SLX/VDX features. • Managed, mentored, lead engineering teams in product and feature delivery.• Linux Kernel 4.14: Kernel module for Linux 4.14 to port 2.6.34 kernel enhancement that can be debugged and upgraded at run time to make kernel network infra portable across Linux upgrade. • Containerization of SLX - Linux 4.14 kernel and LXC – prototype to run switch software in system container. Show less

• Architect with kernel, virtualization and networking experience • Linux Kernel 2.6.34 enhancement:o TCP/IP, IPv6, ARP/ND state machine, pre-neigh, neigh ARP/ND processing, Routing, Network Namespace, multicast for PIM-SM and ref count history.o VRF-lite Support IP, IPv6, REST, HTTP, socket option, CMSG.o IPv6: New IOCTL compatible with ARP enhancement, routing cache for time reduction.o Routing: Routing subsystem route leak support for network namespaces. o TCP… Show more • Architect with kernel, virtualization and networking experience • Linux Kernel 2.6.34 enhancement:o TCP/IP, IPv6, ARP/ND state machine, pre-neigh, neigh ARP/ND processing, Routing, Network Namespace, multicast for PIM-SM and ref count history.o VRF-lite Support IP, IPv6, REST, HTTP, socket option, CMSG.o IPv6: New IOCTL compatible with ARP enhancement, routing cache for time reduction.o Routing: Routing subsystem route leak support for network namespaces. o TCP Security: TTL security per connection for BGP(GTSM), connection logging, disabling to avoid DOS attack.o EVPN: Route with MAC support to avoid neigh resolution in kernel and IP-unnumbered.o ODR: On Demand Routing Netlink socket support.o Network Namespace: kernel patch, new IOCTL to set/get system parameter without namespace switching.o DHCP Relay: DHCP route leak, RAW socket for network namespace.• Scale and Performance:o ODR system design with routing application to work with kernel to achieve 4M routes.o MMAP lib support for L2/L3 packets for user/ ASIC driver interfacing.o VRF Scale: Single socket multiple namespace for ARP/ND//TCP/UDP/RAW for 4K VRF.o ARP/ND multicore performance.• Zero Touch Provisioning: Fully automating configuration, firmware upgrade of switch in IP Fabric.• Virtual Driver: To emulate switch ports L3 packet exchange with kernel networking subsystem.• WOL: Kernel directed broadcast support for WOL -L3 in kernel and L2 in virtual driver.• Led Critical Customer escalations and USGv6, JTIC, IPv6 Logo certification for L3.• Led project with multiple engineering teams to support KVM, container infrastructure and third party VM to integrate customer applications. Show less

Brocade SLX/VDX data Center products

1. NetBSD 1.6.1 kernel support: L2DAI, DAI, PVLAN, TCP MD5 for IPv6, L2 socket AF_L2.2. DABR Watchdog Kernel Support: Enhanced kernel task struct and context switch code for PPCFX750 platform to find memory corruption, proc interface to debug process.3.IPv4 VRF kernel support: VRF routing and IP address support which can scale to VDC4. Kernel IP Stack port: FTOS NetBSD 1.6.1 stack to NetBSD 4.0.5. Responsible for NetBSD networking IP/IPv6 stack, kernel crashes, memory corruption… Show more 1. NetBSD 1.6.1 kernel support: L2DAI, DAI, PVLAN, TCP MD5 for IPv6, L2 socket AF_L2.2. DABR Watchdog Kernel Support: Enhanced kernel task struct and context switch code for PPCFX750 platform to find memory corruption, proc interface to debug process.3.IPv4 VRF kernel support: VRF routing and IP address support which can scale to VDC4. Kernel IP Stack port: FTOS NetBSD 1.6.1 stack to NetBSD 4.0.5. Responsible for NetBSD networking IP/IPv6 stack, kernel crashes, memory corruption and bug fixes related to IP/IPv6 stack, kernel routing, locking and gigabit ethernet controller for PPC. Show less

1. Responsible for pre-sales, feasibility analysis of fast path pipeline on IXP2XXX NPU: * 4 GB full duplex HTTP traffic on IXP2850 * ZTE Node B pipeline to support coexistence of ATM/IP traffic (AAL1, AAL2, AAL5 and IPv4/IPv6) on IXP2350/IXP2800.2. Requirement collection and analysis for OSAL for Intel NPU and lead team for Linux Kernel/User/VxWorks/XPe OSAL release. 3. Direct I/O access from guest OS (Linux/FreeBSD)… Show more 1. Responsible for pre-sales, feasibility analysis of fast path pipeline on IXP2XXX NPU: * 4 GB full duplex HTTP traffic on IXP2850 * ZTE Node B pipeline to support coexistence of ATM/IP traffic (AAL1, AAL2, AAL5 and IPv4/IPv6) on IXP2350/IXP2800.2. Requirement collection and analysis for OSAL for Intel NPU and lead team for Linux Kernel/User/VxWorks/XPe OSAL release. 3. Direct I/O access from guest OS (Linux/FreeBSD) on Xen 3.0.1 for VT-x. 4. 5. UART, I2C, SPI serial flash, NAND/NOR flash support for vermillion range6. ATM-RAN pipeline – to replacing SRAM hardware Q-Array with software. Show less

1. Nortel Networks: Developed communication protocol between SAC (NSNAS) and Nortel Baystack switch. 2. Developed Control and Management plane of N2000 (Linux with RAMdisk/JFFS2 for MIPS based platform) for traffic aggregation, load balancing, HA to improve performance and utilization of network resources connected with aspen switches. 3. Added CLI and Ethernet protocol for Inter processor communication.4. Cluster mode solution for device redundancy, Remote Management and ACL… Show more 1. Nortel Networks: Developed communication protocol between SAC (NSNAS) and Nortel Baystack switch. 2. Developed Control and Management plane of N2000 (Linux with RAMdisk/JFFS2 for MIPS based platform) for traffic aggregation, load balancing, HA to improve performance and utilization of network resources connected with aspen switches. 3. Added CLI and Ethernet protocol for Inter processor communication.4. Cluster mode solution for device redundancy, Remote Management and ACL support.5. Proximity detection through traffic, blackout detection, SPI/voice based VPN load balancing.6. DNS server cache, DNS based inbound load balancing.7. Algorithms for bandwidth measurement, RTT, hop count, bit rate, jitter, packet loss, ingress filtering/out of sequence through connected ISP. 8. Implemented POP3/SMTP for server detection for protection of TCP applications (HTTP, FTP, SMTP, HTTPS) to route traffic to available servers.9. Site failure detection and traffic routing to remote VPN site.10. Lossless Firmware upgrade, L2/L3 flow aging, policy based flow management, DHCP, ARP, part of TCP/IP stack, Ping, PPPoE POP3, HTTP and DNS traceroute11. Driver and CLI to control switch LED for operation/debugging12. RTC driver. ● http://www.aspen-networks.com/applb.html Show less

1-800-MY-Yahoo team - to listen email through phone.

Compter Telephone Integration, DECT