Ministry of Defence Main Building (United Kingdom) each and cost £12,600. Similar figures representing "air" and "fire" were intended to be installed at the south end of the building, however these were never constructed. During the 1950s, building staff nicknamed the statues "Mr and Mrs Parkinson", after Cyril Northcote Parkinson, the Board of Trade civil servant who devised Parkinson's Law which states "work expands so as to fill the time available for its completion". More recently MOD staff refer to the statues as the "two fat ladies". The badge of the RAF is carved into stone columns either side of the southern entrance to the building, reflecting
Robustness principle series of Internet-Drafts, Martin Thomson argues that Postel's robustness principle actually leads to a "lack" of robustness, including security. In 2018, a paper on privacy-enhancing technologies by Florentin Rochet and Olivier Pereira showed how to exploit Postel's robustness principle inside the Tor routing protocol to compromise the anonymity of onion services and Tor clients. Robustness principle In computing, the robustness principle is a design guideline for software: The principle is also known as Postel's law, after Jon Postel, who wrote in an early specification of TCP: In other words, programs that send messages to other machines (or to other programs