• Developed Mobility Firewall feature using UEIP - IMSI|IMEI mapping to help Service Provider to associate Mobile User's traffic with Mobility Identity in 4G|5G deployment scenario.

Cisco SDWAN Forwarding Team

• Adding TCP MSS adjustment support for SDWAN cEdge router

• cEdge Forwarding Component Hardening

Cisco Polaris Infra Team

• Enhanced Polaris DataBase Access Library to support application accessing multiple instances of DB at different locations.

Cisco Mobile Virtual Packet Core - Forwarding Element software development leader

• Designed SFC proxy for SFC-unaware appliance using VPP based FE

Cisco Internal Startup - Nephelo Alpha Project

• Focusing on 5G LTE Mobile Virtual Pack Core - Control User Plane Separation (CUPS)

As Forwarding Element Software development leader, Designed & Implemented Forwarding Element Manager with Extended OpenFlow Protocol (with Cisco Extension) to communicate with Mobile Controller, Handling policy programming to Data Plane and Controller information request/response.

Core Router Packet Forwarding Engine ASIC SDK & feature development

• Traffic Policing

• Firewall, Mac Filter

• Adaptive Load Balancing

Senior SW Engineer in ASR-1000 platform:

• Investigated & lead the development of Cisco Trusted Security (CTS) feature on ASR-1000;

• Designed and developed Next Generation Firewall feature on IOS-XE platform - Data Plane Deny of Service feature, Data Plane Unit Test Environment(CRPG), Classification Policy download in CGM;

• Designed and developed Dynamic Routing (PfR) forwarding layer feature on ASR-1000;

• Implemented Web Cache Communication Protocol (WCCP) forwarding layer feature on ASR-1000;

Senior SW Engineer in IOS on Neutrino (ION):

• IOS/ION Transport Layer feature development;

• ION System performance optimization and scalability improvement

SW Engineer in IOS-WAN:

• Cisco Call Manager Express (CCME) inter-networking with ISDN QSIG PBX Switch

• ISDN NTT PRI network side simulation

• ISDN - VOIP internetworking