Telecommunications / Network R&D
Telecommunications/Network R&D is our key competency with:
- More than 12 years experience
- More than 500 engineers
- Provide software R&D services to many leading telecom companies: Nortel, Alcatel-Lucent, Juniper Networks, NTT, NEC, Blade Network Technologies, Flextronics, Genband, etc.
Typical products we have been involved in development and testing:
- Service edge router
- Security router
- Wireless router
- PBX, IP telephony
- Contact center
- Soft-switch
- Communication server
- Network management
- CTI server
- IMS/SIP
- NGN
- GGSN
- NGN (Next Generation Network)
Technologies
Layer 2-3-4 Protocols
- PPP, PPPoE, MLPPP, Ethernet, Token ring, FDDI, HDLC
- X.25, Frame Relay, ATM, MPLS
- IP, Routing protocols (IS-IS, RIP, IGRP,…), IPX, ICMP, IGMP
- TCP, UDP, RTP, SPX, SCTP
Networking Management
- SNMP, Network Performance, QoS
- Bandwidth Management, Load Balancing, WAP, WCR (Web Cache Direction), HA (High Availability), VRRP (Virtual Router Redundancy Protocol), VQT, DSLA (Digital Speech Level Analyzer), Gigabit Technology (Jumbo Frame)
Security
- IPSec, NAT, VPN, VPRN
Others
- POP3, VoIP, DSN, LDAP, DHCP