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Profile
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An individual with several years of experience providing subject matter expertise to medium and large Cable and Wireline
Service Providers, in US, European and Emerging markets for design and implementation of efficient next generation networks,
along with a Masters Degree and industry certifications, looking for a dynamic and challenging position to continue working on next generation technologies
Education
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- Master Of Engineering (M. Engg) in Internetworking
- Bachelor of Science in Computer System Engineering
Industry Papers and Presentations
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Certifications
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Experience
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Cisco Systems, Inc
Reasearch Triangle Park, NC, USA
Technical Leader (August 2008 – Present)
- Lead the architectural development, testing and validation of Cisco IP NGN Cable and Carrier Ethernet systems for worldwide Service Providers and Multi Service Operators (MSO's)
- Contribute to the development of next generation architectural guidelines to introduce new service, products and technologies in Service Providers infrastructure
- Develop architectural design for Residential and Business services over Carrier Ethernet and HFC/DOCSIS infrastructure to meet customer requirements
- Integrate new products and services in Solution test bed for end-to-end service level verification including:
- Long term solution for IPv6 Based data services using IPv4/IPv6 dual-stack CPEs
- IPv6 time to market solutions using NAT-44
- Bringing MPLS to the edge, using CMTS as MPLE PE, for cable business services
- Validate architecture and design for MPLS L2 and L3 VPN services over fiber and HFC
- Integrate multicast and IPTV services alongwith Business VPN and high Speed Data services over a common converged multi-service network
- Help Cable Service Providers deploy Carrier Ethernet and Business Services over DOCSIS and Fiber infrastructure
- Provide configuration support and troubleshooting assistance for MPLS and Carrier Ethernet Business services over DOCSIS and Fiber to customer account teams and service providers.
- Work with Account Teams and Service Providers to provide configuration, design and troubleshooting assistance for MPLS Based Carrier Ethernet services
- Assist System Engineers in providing response to RFPs, work with Account Teams and System Engineers to host Proof of Concept (POC) labs with customers as part of pre-sales efforts.
- Provide technical leadership and guidance during and after POC lab to successfully resolve any and all outstanding issues to the utmost satisfaction of the customer.
Cisco Systems, Inc
Reasearch Triangle Park, NC, USA
Solution Test Engineer (August 2002 – July 2008)
- Worked on Broadband Triple Play and Metro Ethernet Solutions for major US and European service providers including Verizon, SBC, Time Warner and Cable & Wireless
- Contributed to the design and verification of Broadband Triple Play solutions to provide Broadcast TV, Video on Demand, Voice over IP and
High Speed Internet Access to residential users
- Worked on design and configuration IPTV Headened including Scientific Atlanta's Satellite Recievers, Decoders and Encoder for MPEG2/MPEG4 Video
- Worked on IPTV management solution using Ineoquest, ROSA and copernicus server
- Performed security characterization on various Cisco devices to determine potential security threats from various types of DoS attacks
- Evaluated various solutions to mitigate differnet DoS attacks on SP netowrk to protect system resources
and avoid services disruptions on Cisco Routers and switches
- Designed test case scenarios and led verification effort to characterize performance under scale for Triple play capable service provider
network. Scaled up network includes 150 broadcast TV channels, simulated Video on Demand, Voice over IP and Internet browsing for DSL users and Metro Ethernet
Business services including Ethernet Private Line and Ethernet Virtual Private Line services
- Led the design, configuration and characterization of MPLS based Gigabit Ethernet and TenGigabit Ethernet Rings to provide
50 millisecond convergence time in case of failures, using ISIS with MPLS Traffic Engineering and Fast ReRoute
- Experience with configuring Redundant Route Processors/Supervisor using Non Stop Forwarding(NSF), Stateful Switch Over(SSO) and
RPR to minimize down times in case of RP/Supervisor failure
- Verified UPE, PE-AGG, NPE and P functionality on a variety of Cisco devices including Catalyst 3550, 3400, 3750, 6500, 7600,
10720 and 12000 series routers and switches
- Tested and verified Metro Ethernet 802.1QTrunk and Dot1Q-Tunnel based services on Service Provider Edge devices
- Configured and verified QoS fuctionality, including Traffic classification, policing, marking and queuing,
under scaled conditions using EVC, EVC/DSCP and EVC/CoS based QoS models
- Designed, verified and documented fault-tolerant dual-attached and dual-homes customer access options for connectivity with Service Provider network
- Tested and documented NPE funtionality using EoMPLS and VPLS pseudowires over MPLS core. Also configured and verified NPE redundancy
using backup psedowires
- Contributed to the development and testing for Metro Ethernet and Broadband solutions. Solution development and test cycles includes:
- Gather and document solution requirements from customer and account team
- Develop an architectural design to produce viable testable solutions that meet customer requirements
- Work across different organizations and technology teams to verify end-to-end functionality,
performance, scalability and maintainability of the solution architecture.
- Design and develop solution test bed to replicate real world deployments scenarios
and execute test cases identified in the solution test plan
- Execute test cases, identify defects and bugs and document test results.
- Document bugs reports and work with development team to get the issues resolved in an efficient and timely manner
- Work with account team to setup and host service provider visits to demonstrate
deployment of new features to minimize convergence times and improve stability and availability of service provider network.
Cisco Systems Canada, Inc
2000 Innovation Drive,
Kanata, Ontario, Canada.
Development Test Engineer (August 2000 – August 2002)
- Participate in the development testing of SONET based Resilient PacketRing (RPR),
IEEE 802.17 and Dynamic Packet Transfer (DPT) based products including Cisco10720 and 12000 series routers
- Developed automation test suites for Datapath Regression on Cisco 10720 routers to significantly improve test duration
and decrease manual interaction allowing more efficient distribution of resources
- Major duties as a dev-test engineer includes:
- Setting up test strategy, design test scenarios and document test plan to thoroughly test all supported IOS features.
- Setting up testbed and executing test plans to fully test all supported features and documenting results for a given product.
- Document any bugs found, work in close connection with developers to resolve the bug, test the fix and document the updated results.
- Documenting the test strategy and prepare test cases for automated regression testing.
- Writing scripts, using TCL, to automate test cases as described in the Automation Testplan for that feature.
- Also responsible for maintenance of Business Unit’s website. The website was used as a tool for posting latest test plans, test progress,
test results and other information for on-going projects.
Technical Knowledge
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Operating Systems:
- UNIX, DOS/Windows 3.x, Windows 9x/NT/2000/XP
- Cisco Internetworking Operating System (IOS)
- Cisco Catalyst Operating System (CatOS)
Networking Hardware
- Extensively worked on numerous Cisco routers and switches
- Excellent working knowledge of Cisco 12xxx, 10xxx, 7xxx series routers
- Excellent working knowledge of Catalyst 76xx, 6xxx, 5xxx, 4500, 3750, 3550, 3400, 2900 series switches
IP Routing:
- Strong IP Addressing and Subnetting skills
- Excellent understanding on all IGP's (RIP, IGRP/EIGRP, OSPF, IS-IS, ODR)
- Excellent understanding of Inter-AS routing using BGP. Hands on experience using BGP features like Confederations,
Route-reflectors, local-as, etc
- Hands on experinece with route manipulation using Route Aggregation, Summarization, Filtering and Redistribution
IP TV:
- Familiar with MPEG2/MPEG4 compression and encoding for IPTV networks
- Worked on IPTV Headened design and configuration including video headend/encoder redundancy and management
- Worked with Scientific Atlanta Video headend equipment including:
- Satelltile Recievers
- Video Decoders including 9850 SD and 3287 HD decoders
- Video encoders including 9154, 9054 and 9034 encoders
- Headend management technologies including Copernicus, ROSA, ROSA Element Manager and Ineoquest
Networking Technologies
- Access Technologies
- Hands on experience in configuration of major access technologies, including:
- LAN access technologies including Ethernet, Fast Ethernet, Gigabit Ethernet, TenGigabit Ethernet and Token Ring
- Legacy point-to-point and multipoint WAN access technologies like Frame Relay, ATM, ISDN, PPP and HDLC
- High speed WAN technolies like Dynamic Packet Transfer, 802.17RPR and Packet over SONET
- Switching Technologies
- Excellent working knowledge of VLANs, 802.1Q and ISL Trunking, VTP, 802.1Q-in-Q
- Hands on experience with configuration and interoperability of various flavors of Spanning Tree Protocol
- Etherchannels including 802.1ad LACP and PAgP
- Tunneling and L2/L3 VPNs
- Experience with MPLS-VPNs, including Inter-AS VPNS, using MP-BGP
- PE-CE routing using RIP, EIGRP, OSPF, ISIS, BGP and Static routes
- EoMPLS, VPLS, 802.1Q-in-Q, L2PT, GRE, UTI, L2TP
- High Availability
- Supervisor/RP redundancy using RPR+, NSF and SSO
- MPLS Fast Re-Route (FRR) using Link and Node Protection
- HSRP and VRRP
- Qulaity of Service
- Congestion aviodance using Traffic Classification, Policing, Shaping and Marking
- Traffic prioritization based on IP Precedence, DSCP, EXP and CoS
- Congestion management using RED, WRED, WRR, PQ, LLQ and CBWFQ
- RSVP
- MPLS Traffic Engineering
- Multicast
- Protcol Independent Multicast (PIM) including Sparse, Dense and SSM Modes
- Static RP, Auto RP and Anycast RP
Traffic Generators
- Ixia including IxExplorer, IxLoad, IxRouter and IxNetwork
- Agilent Router Tester
- Spirent Smartbits including SmartWindows, SmartFlow and TRT4
Programming Languages:
- C/C++, Pascal, HTML, DHTML, TCL/TK, PHP
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