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-rw-r--r--books/Gravity's Rainbow114
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+========
+Ethernet
+========
+
+.. warning:: Under progress!
+
+History
+=======
+Bob Metcalfe first described the ethernet system in a memo while working at
+the Xerox Palo Alto Research Center in 1973 ([oreilly]_). It was based on
+the earlier *Aloha* system developed by Norman Abramson at the University of
+Hawaii. *Aloha* was a radio network for inter-island communications.
+
+Structure
+=========
+
+Data Frames
+~~~~~~~~~~~
+The frame format is the same for ethernet systems of any speed.
+
+==================== ===========
+Section Size (bits)
+==================== ===========
+Preamble 64
+Destination Address 48
+Source Address 48
+Type Length 16
+Data 46 to 1500
+Checksum 32
+==================== ===========
+
+.. topic:: Preamble
+
+ The preamble originally served as a "warm up" period for hardware to
+ stabilize and prepare for the rest of the frame.
+
+.. topic:: Source and Destination addresses
+
+ Manufacturers are given a 24 bit id (first half), and are expected to
+ ensure the uniqueness of the second half of each device's address.
+
+ The IEEE-SA (Standards Association) delegates addresses.
+
+.. topic:: Checksum
+
+ The checksum (or Frame Check Sequence) is a Cyclic Redundancy Checksum.
+
+.. [oreilly] `Ethernet: The Definitive Guide`:title:, by Charles Spurgeon.
+ O'Reilly, 2000
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+=================
+Gravity's Rainbow
+=================
+
+:by: Thomas Pynchon
+
+Excellent German Words
+----------------------
+These are some of my favorites from http://www.hyperarts.com/pynchon/gravity/extra/german.html
+
+
+Weltschmerz
+ world-weariness
+Leunahalluziationen
+ gasoline hallucination
+Schweinheldfest
+ pig-hero festival
+Purpurstoff
+ purple substance
+Folgsamkeitfaktor
+ obedience factor
+Versuchsanstalt
+ research institute, experimental station
+Urstoff
+ primordial stuff
+Kadavergehorsamkeit
+ corpse-like obedience, i.e., slavish obedience
+Hinterhof
+ back-courtyard
+Bohnenkaffee
+ pure coffee
+
+Rocket Limericks
+----------------
+*(These are interspersed on pages 305-335)*
+
+| There once was a thing called a V-2
+| To pilot which you did not need to-
+| You just pushed a button,
+| And it would leave nuttin'
+| But stiffs and big holes and debris, too.
+|
+| <refrain:>
+| Ja, ja, ja, ja!
+| In Prussia they never eat pussy!
+| There ain't hardly cates enough,
+| There's garbage and that's enough,
+| So waltz me around again, Russky!
+|
+| There was a young fellow named Crockett,
+| Who had an affair with a rocket.
+| If you saw them out there
+| You'd be tempted to stare,
+| But if you ain't tried it, don't knock it!
+|
+| There was a young fellow named Hector,
+| Who was fond of a launcher-erector.
+| But the squishes and pops
+| Of acute pressure drops
+| Wrecked Hector's hydraulic connector.
+|
+| There once was a fellow named Moorehead,
+| Who had an affair with a warhead.
+| His wife moved away
+| The very next day-
+| She *was* always kind of a sorehead.
+|
+| There was a technician named Urban,
+| Who had an affair with a turbine.
+| "It's much nicer," he said,
+| "Than a woman in bed,
+| And it's sure as hell cheaper than bourbon!"
+|
+| There once was a fellow named Slattery
+| Who was fond of the course-gyro battery.
+| With that 50-volt shock,
+| What was left of his cock
+| Was all slimy and sloppy and spattery.
+|
+| Ther was a young fellow named Pope,
+| Who plugged into an *os*-cillo-*scope*.
+| The cyclical trace
+| Of their carnal embrace
+| Had a damn nearly infinite slope.
+|
+| There was a young fellow named Yuri,
+| Fucked the nozzle right up its venturi.
+| He had woes without cease
+| From his local police,
+| And a hell of a time with the jury
+|
+| There was a young man named McGuire,
+| Who was fond of the pitch amplifier.
+| But a number of shorts
+| Left him covered with warts,
+| And set half the bedroom on fire.
+|
+| There once was a fellow named Ritter,
+| Who slept with a guidance transmitter.
+| It shriveled his cock,
+| Which fell off in his sock,
+| And made him exceedingly bitter.
+|
+| There once was a fellow named Schroeder,
+| Who buggered the vane servomotor.
+| He soon grew a prong
+| On the end of his schlong,
+| And hired himself a promoter.
+|
+| There was a young man from Decatur,
+| Who slept with a LOX generator.
+| His balls and his prick
+| Froze solid read quick,
+| And his asshole a little bit later.