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This is a Google Summer of Code project. WHATA multi-platform TCP/IP v4 Stack Testing Tool, As a testing tool, it can perform regression, protocol conformance, and fuzz tests. The tool may also be employed as an aid to protocol developers and both testing and debugging of firewalls/routers. USINGIt's built on top of PCS(Packet Construction Set) "PCS is a set of Python modules and objects that make building network protocol code easier for the protocol developer. The core of the system is the pcs module itself which provides the necessary functionality to create classes that implement packets." http://pcs.sourceforge.net/ PCS enables testing at OSI layers 3, 4, and 5. HOWTcptest mainly is a python module and one script for each test covered (more then one per script often) The module count with methods acting as fasteners, doing things like (a)three way handshake, (b)active/passive close and (c)several createXX and assertXX, where XX=(ip, tcp, rst, urg, fin, syn, psh, so on...) As the tests are being created, the number of 'fasteners' are growing, turning each moment easier to create new tests. PHILOSOPHYUse of small tests. So we can cover a wide range of traffics, events and transitions predetermined separately. The development would be like a protocol, but without covering all possible events and transitions, only traffic previously determined. Instead of targeting a TCP Finite State Machine (FSM) like the implementation of TCP/IP protocols, the development will be based towards flow of packets, where traffic is composed of packets that are sent and received in a previously registered way. THE FOLLOWING TESTS WILL BE INITIALLY COVERED
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