Blelloch, Introduction to Data Compression, draft, here. Lossless compression chapters more polished.
Tom’s Hardware, IBM Has a Trillion-Bit, Insane Bandwidth “Holey Optochip”, “This claim boils down to a parallel optical transceiver that is first to boast the capability of transferring one trillion bits (1 Tbps or about 116.4 GBps). According to IBM, the chip is about eight times faster than any parallel optical component that is available today…”
Thompson Reuters, HFT page, here.
DB, HFT, 7 Feb 2011, here.
JPM, HFT An Overview, Mar 2012, here.