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Portable Source Code


TCP- IP

TWICEŽ TCP/IP complements PacketWare 's comprehensive line of portable communication software products to provide access to TCP/IP networks.

TWICEŽ TCP/IP customers receive an unprecedented TCP/IP inter-operability guarantee. Our clients benefit from their investment in the PacketWare technology because they know they can rely on us for a complete range of protocol software including
X-25, Frame Relay, and PPP.

TWICEŽ TCP/IP is based on 17 years experience developing performance communication software to the open Streams architecture with the quality guaranteed by PacketWare's rigorous development methodology, audited and compliant with both government and laboratory standards

Features and Benefits

  • Full STREAMS compatibility for implementation in a native UNIX System V Release 3 or 4 kernel
  • Portable Streams Environment (PSE) for platforms which do not support a native Streams environment
  • Full compatibility with USL's published interfaces (TPI, NPI, and DLPI)
  • Compliant with the Internet standards for TCP, UDP, IP, SLIP, and ARP
  • Included Dynamic Host Configuration Protocol (DHCP) client module
  • Full support for Broadcast and Multicast capabilities
  • Included support for Path MTU Discovery and Routers Discovery protocols
  • Full dynamic run-time configuration per interface
  • Fully integrated with other TWICEŽ communication products: Frame Relay, X.25, and PPP for the widest range of connectivity
  • Extensive local network management functions (configuration, line monitoring, statistics, and alarms handling)
  • Comprehensive porting and testing Toolkit
Technical Specifications

Dynamic Host Configuration Protocol (DHCP) Client

  • Negotiates stack parameters, including IP address, with a DHCP client
  • Compliant with RFC 1541 and RFC 1533
  • Automatic handling of lease renewal procedures

    Transport Control Protocol (TCP)

  • Connection Oriented TPI user interface
  • Compliant with RFC 793
  • Local network management interface for configuration, Line Monitoring, Billing information, Statistics, and Alarms

User Datagram Protocol (UDP)

  • Connection Less TPI user interface
  • Compliant with RFC 768
  • Full Broadcast and Multicast support
  • Local network management interface for configuration, Line Monitoring, Statistics, and Alarms

Internet Protocol (IP)

  • Connection less NPI user interface
  • Basic Internet protocol as per RFC 791, including standard IP routing, segmenting and reassembly
  • Internet Control Message Protocol (ICMP), as per RFC 792
  • Broadcast support as per RFC 919, Broadcasting Internet Datagrams
  • Multicast support as per RFC 1112, Hosts Extensions for IP Multicasting
  • Compliant with RFC 1191, Path MTU Discovery protocol
  • Compliant with RFC 1256, ICMP Router Discovery Messages
  • Local network management interface for configuration, Line Monitoring, Statistics, and Alarms

Address Resolution Protocol (ARP)

  • Connection less DLPI user interface
  • Dynamic address resolution between IP addresses and physical addresses as per RFC 826
  • Support for locally defined static address mappings

Ethernet / LLC-1 / MAC Driver (ELM)

  • Connection less DLPI user interface
  • Ethernet encapsulation as per the DEC-Intel-XEROX consortium
  • LLC-1 encapsulation as per the IEEE 802.2 standard
  • Full Broadcast and Multicast support

Serial Line Interface Protocol (SLIP)

  • Connection less DLPI user interface
  • Datagram encapsulation as per RFC 1055
 

PRODUCTS

Telecom Billing Mediation
TeleMedia
TeleProcess
TeleProvision

TMN Apps
PW EMS

 


Network Access
OSI - LAN
OSI - WAN
OSI - TCP
OSI - MAPS
OSI - CMIP
IP - X25
WAN - X25
WAN - XOT

Portable Source Code
X-25
Frame Relay
TCP-IP
PPP
CMISE