Life Beyond HTTP - Speaker Deck

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LIFE BEYOND HTTP Anthony Eden @aeden DNSimple Friday, September 14, 12

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“A SET OF PROCEDURES TO BE FOLLOWED WHEN COMMUNICATING” Friday, September 14, 12

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HTTP Friday, September 14, 12

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RFC 1945 (1996) HTTP 1.0 Friday, September 14, 12

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“THE HYPERTEXT TRANSFER PROTOCOL (HTTP) IS AN APPLICATION-LEVEL PROTOCOL WITH THE LIGHTNESS AND SPEED NECESSARY FOR DISTRIBUTED, COLLABORATIVE, HYPERMEDIA INFORMATION SYSTEMS.” Friday, September 14, 12

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I <3 HTTP Friday, September 14, 12

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HTTP IS UBIQUITOUS Friday, September 14, 12

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HTTP IS SIMPLE Friday, September 14, 12

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HTTP IS FLEXIBLE Friday, September 14, 12

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BUT THERE IS LIFE BEYOND HTTP Friday, September 14, 12

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LET’S MAKE SOME (NOT SO) NEW FRIENDS Friday, September 14, 12

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SMTP Friday, September 14, 12

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SIMPLE MAIL TRANSPORT PROTOCOL Friday, September 14, 12

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RFC 788 (1981) OBSOLETED BY RFC 822 Friday, September 14, 12

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FUN FACT: MAIL USED TO RELY ON FTP Friday, September 14, 12

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S: 220 smtp.example.com ESMTP Postfix C: HELO relay.example.org S: 250 Hello relay.example.org, I am glad to meet you C: MAIL FROM: S: 250 Ok C: RCPT TO: S: 250 Ok C: RCPT TO: S: 250 Ok C: DATA S: 354 End data with . C: From: "Bob Example" C: To: "Alice Example" C: Cc: [email protected] C: Date: Tue, 15 January 2008 16:02:43 -0500 C: Subject: Test message C: C: Hello Alice. C: This is a test message with 5 header fields and 4 lines in the message body. C: Your friend, C: Bob C: . S: 250 Ok: queued as 12345 C: QUIT S: 221 Bye Friday, September 14, 12

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DNS Friday, September 14, 12

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DOMAIN NAME SYSTEM Friday, September 14, 12

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RFC 1034, 1034 AND MANY, MANY MORE (1987) Friday, September 14, 12

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FUN FACT: BEFORE DNS ALL COMPUTERS GRABBED HOSTS.TXT FROM A COMPUTER AT SRI Friday, September 14, 12

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1 1 1 1 1 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | | / / / NAME / | | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | TYPE | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | CLASS | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | TTL | | | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | RDLENGTH | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--| / RDATA / / / +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ Friday, September 14, 12

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1 1 1 1 1 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ID | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |QR| Opcode |AA|TC|RD|RA| Z | RCODE | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | QDCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ANCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | NSCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ARCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ Friday, September 14, 12

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DNS: IT’S MORE THAN A PROTOCOL IT’S A WAY OF LIFE! Friday, September 14, 12

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XMPP Friday, September 14, 12

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EXTENSIBLE MESSAGING AND PRESENCE PROTOCOL Friday, September 14, 12

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RFC 3920-3923 (2004) Friday, September 14, 12

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EXAMPLE OMITTED TO SAVE YOUR EYEBALLS. Friday, September 14, 12

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IRC Friday, September 14, 12

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INTERNET RELAY CHAT Friday, September 14, 12

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RFC 1459 (1993) Friday, September 14, 12

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SSH Friday, September 14, 12

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SECURE SHELL Friday, September 14, 12

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RFC 4250-4256 (2006) Friday, September 14, 12

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FUN FACT: THE ORIGINAL ANNOUNCEMENT INCLUDED THE FOLLOWING... Friday, September 14, 12

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PUTTING THIS OPENLY AVAILABLE FOR FTP IN THE US MAY MAKE YOU ELIGIBLE FOR CHARGES ON ITAR VIOLATIONS, WITH PENALTIES UP TO 10 YEARS IN PRISON. Friday, September 14, 12

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AMERICA, FUCK YEAH! Friday, September 14, 12

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STOMP Friday, September 14, 12

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STREAMING TEXT ORIENTED MESSAGING PROTOCOL Friday, September 14, 12

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RFCS ARE FOR KIDS, SILLY! Friday, September 14, 12

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CONNECT accept-version:1.1 host:stomp.github.org ^@ CONNECTED version:1.1 ^@ SEND destination:/queue/a content-type:text/plain hello queue a ^@ Friday, September 14, 12

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SUBSCRIBE ID:0 DESTINATION:/QUEUE/FOO ACK:CLIENT ^@ MESSAGE SUBSCRIPTION:0 MESSAGE-ID:007 DESTINATION:/QUEUE/A CONTENT-TYPE:TEXT/PLAIN HELLO QUEUE A^@ Friday, September 14, 12

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DISCONNECT receipt:77 ^@ RECEIPT receipt-id:77 ^@ Friday, September 14, 12

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SPDY Friday, September 14, 12

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MULTIPLEXED HTTP Friday, September 14, 12

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CHROMIUM.ORG/SPDY/SPDY-PROTOCOL/SPDY-PROTOCOL-DRAFT2 Friday, September 14, 12

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REQUEST PRIORITIZATION Friday, September 14, 12

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COMPRESSED HEADERS Friday, September 14, 12

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SERVER-PUSHED STREAMS Friday, September 14, 12

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APPLICATION PROTOCOLS ARE FUN... Friday, September 14, 12

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BUT WHAT ABOUT TRANSPORT PROTOCOLS? Friday, September 14, 12

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TCP Friday, September 14, 12

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TRANSMISSION CONTROL PROTOCOL Friday, September 14, 12

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RELIABLE, ORDERED STREAM OF OCTETS Friday, September 14, 12

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UDP Friday, September 14, 12

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USER DATAGRAM PROTOCOL Friday, September 14, 12

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NO GUARANTEE OF DELIVERY, ORDERING OR DUPLICATE PROTECTION Friday, September 14, 12

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AVOIDS OVERHEAD Friday, September 14, 12

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TO THE CODE! Friday, September 14, 12

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PROTOCOLS ARE AWESOME Friday, September 14, 12

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KNOW THEM. Friday, September 14, 12

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USE THEM. Friday, September 14, 12

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LOVE THEM. Friday, September 14, 12

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THREE QUESTIONS Friday, September 14, 12

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•What APIs do you use that might be better as a protocol? •What are the characteristics of protocols that live long lives? •What APIs have YOU written that might make good protocols? Friday, September 14, 12