Perlman redesigned the STP by introducing the TRansparent Interconnection of Lots of Links (TRILL), which has been standardized by the Internet Engineering Task Force (IETF). In addition, she was one of the major designers behind DECnet protocol. 4 STP changed Ethernet networks in an unprecedented way as it enabled the connection between hundreds of thousands of computers by preventing bridging loops. 3 Radia Perlman solved it over the weekend by inventing an algorithm on which the Spanning Tree Protocol (STP) was based. 2Ī decade later, while Perlman was working for Digital Equipment Corp., she addressed her boss’s challenge to develop “a simple protocol that would enable bridges to locate loop-free paths through a network”. 1 For this work Perlman is regarded as a pioneer of young children’s computer programming, especially for developing a “tangible programming” system. ![]() ![]() Between 19 she created the Toddler’s Own Recursive Turtle Interpreter System (TORTIS), a version of the LOGO programming language, with which preschool children (3 to 5 years old) could program the behaviour of a physical turtle robot. Her contributions have had a unique impact on how we use the Internet today, as she (re)designed and made possible the robustness, expansion and easier management of routing protocols. ![]() Radia Joy Perlman has made significant breakthroughs in many areas of Internet routing and networking protocols. KEYWORDS: Toddler’s Own Recursive Turtle Interpreter System (TORTIS), Spanning Tree Protocol (STP), DECnet Protocol, TRansparent Interconnection of Lots of Links (TRILL), Link-State Routing
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