Shardul Thaker

• Lead team across multiple geography for design and development of ACI data center solutions centered around MP-BGP and EVPN technology
• Collaborate with customer engagement teams to propose technical solutions and recommendations for various deployment scenarios
• Work with technical marketing teams to gather requirement and conceptualize product solution/design
• Provided educational expertise and mentoring to junior team members
• Collaborate across development and test teams to define and improve ACI Datacenter network quality and quality measures
• Proposed and design new framework for controller based proactive monitoring any anomalies in ACI data center network
• Evolve architecture of Floating L3out, Next-hop-propagate solution for different SP and ACI DC integration for 5G deployments. Interact with Technical Marketing team on one hand to understand use-case, design solution, and collaborate with all development teams to develop software model

• VEPC/VNF and Calico service integration as DC service for ACI and Multisite Orchestrator deployments for 5G Service Provider Integration
• Design and develop solutions for 5G technology integration with Data center cloud for Cisco ACI controller based solutions
• Lead team of engineers on technical front, for development and implementation of ACI data center control plane solutions
• Design and develop BGP control plane based on Cisco ACI data center operating system
• Interact with Marketing teams to understand requirements and architect/design solution for Data center technologies
• Engage with Cisco Data center customers understand challenges, propose solutions and troubleshoot existing problem based in their networks

• Designed and delivered Multi-domain controller based domain integration of Campus and Data center domains based on DNAC/ISE controller and ACI controller, for control plane integration based on BGP EVPN control plane
• ACI anywhere, Virtual POD - design and implementation of control plane container apps for TOR and Spine
• Telemetry tool enabling for BGP control plane in Cisco APIC controller for ACI
• Lead design discussion and implementation of various cisco data center projects for ACI and Stand-alone switches bases data center solutions
• Control plane protocols (BGP+VxLAN+UxRIB+IPMgr+Linux kernel programming Module) integration for Cloud based APIC domain VM
• Remote Virtual POD - Design and implementation of BGP control plane container apps for TOR and Spine
• Kernel stack development (kstack) for NXOS operating system - IPManager, BGP, ARP, IPfib and LC module HAL interpreter for packet path processing (LCND)
• BGP and Control Plane Protocols migration to 64 bit
• OpenSwitch/SAI (Switch Abstraction Interface) design/implementation for Host-interface and packet path abstraction for stand-alone Cisco Nexus 9000 product family
• Multisite/L3out BGP control plane design for Cisco ACI/APIC based Nexus 9000 series switches
• Migration of Cisco data center BGP protocol to kernel for Cisco NXOS and iNXOS operating systems
• Migration of control plane packet path forwarding for NXOS (Netstack) in kernel
• Migration of L2 to L4 protocols for NXOS/iNXOS to linux stack with Inband packet path processing module for control packets of NXOS
• BGP protocol development for cisco Nexus 9000 series switches
• BGP EVPN weighted ECMP for standalone Nexus 9000 series switches
• Organized system infrastructure documentation and operating procedures, strengthening controls and enhancing overall performance for projects and represented to TAC teams

• VxLAN-EVPN control plane - for Nexus 9x00 family platform based on Netstack (NXOS IP Stack for Control plane running as user space module)
• Virtual Port Channel, FabricPath and VxLAN based forwarding in Netstack (IP+ARP+IP/ICMPv6)
• ARP processing offloading to (LSI)Axxia family Network processor on Line Card
• NXOS ARP performance modelling and improvements for various deployment scenarios
• Routing ACL programming infrastructure design for IPv4 and IPv6, in software forwarding.
• PBR in software forwarding path - marking as well as routing through policy.
• Designed and implemented Application specific ACL infrastructure development for NXOS for NTP, snmp, VTY and other processes
• Lead discussions and design of various customer feature asks related to Netstack process from development engineering side.

Projects and work done at Cisco Systems India, as Sr. Software Engineer listed above

• Designed and delivered basic sensor parameter network management system
• Embedded Network Management System for Sensor Networks
• Base sensor parameter collection module integrated with wifi on ARM processor and implemented client and server module to exchange these to NMS with TCP/UDP based communication

• MoCA (Multimedia over Coax) MAC protocol design and implementation
• Steady state operation design and implementation that includes Data transmission and reception, bandwidth allocation, transmission request scheduling and QoS management
• Interface protocol between MoCA PHY and MoCA MAC firmware modules
• Design and performance analysis of bandwidth allocation algorithm

• RNC Load Generator (RLG) Simulation for UMTS
• Split TCP for 2G wireless integration
• TCP Traffic analysis and prediction for 3GPP wireless technologies including hand-off scenarios, to propose QoS bandwidth prediction and management scheme

• QoS aware scheduler in HSDPA and EV-DO
• QoS aware scheduler for shared downlink, based on QoS guarantees asked by user and its channel condition.
• TCP Performance over cdma2000 network of reliance telecom
• DiffServ based QoS provisioning in Multicast domain
• Performance analysis of active queue mechanisms