Open vSwitch ------------ True or false: Corporate contributors to Open vSwitch must sign a Contributor License Agreement or CLA. (False) What are the two protocols primarily used to control Open vSwitch? (OpenFlow and OVSDB) In what year, one of 2008, 2009, 2010, 2011, was Open vSwitch 1.0 released? (2010) Name three L2-in-L3 tunneling protocols that Open vSwitch supports. (GRE, GRE64, VXLAN, STT, Geneve, CAPWAP; not lisp, which is not L2-in-L3) Which of the following file formats is not included somewhere in the Open vSwitch source tree: XML, HTML, Markdown, nroff. (HTML) TCP/IP ------ What are the minimum and maximum lengths of an IPv4 header, in bytes? (20, 60) IPv4 contains a field named "TTL". What is the name of the corresponding field in IPv6? (hop limit) In the pre-CIDR Internet, in what "class" is the IP address 172.18.254.16? (Class B) In IPv4, what is a martian? (A packet with a reserved or otherwise impossible source or destination address) State another name for ST, the Internet Stream Protocol defined by RFC 1190. (IP version 5) TOS --- IPv4 header field. (Type of Service) An agreement with an ISP. (Terms of Service) Edition of Star Trek. (The Original Series) Physical Challenge: Using command-line tools from a shell prompt, calculate 0x1234 xor 0xabcd and express the result in hexadecimal. (0xb9f9) IBM's predecessor to DOS/360. (TOS/360 == Tape Operating System/360) Silicon Valley -------------- Sand Hill Road Stanford Gates Computer Science Building From a "sandbox" environment, create a bridge br0 and add a flow to it. Hewlett Packard garage Xerox PARC Faces of SDN ------------ Vint Cerf Dan Pitt Jennifer Rexford Scott Shenker Bruce Davie Potpourri --------- Match these protocols to their TCP port numbers: FTP 21 SSH 22 telnet 23 SMTP 25 What earlier "SDx" inspired the term "SDN"? (Software Defined Radio) What kind of arithmetic forms the IP, TCP, and UDP checksums? (ones' complement) State the first and last name of any current NFL player. What country won the 2014 World Cup soccer championship? (Germany) Final Game Show! ---------------- Write down the names of as many fixed-width fields in an IPv4 header as you can. One point per bit. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Version| IHL |Type of Service| Total Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Identification |Flags| Fragment Offset | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Time to Live | Protocol | Header Checksum | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Source Address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Destination Address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Version: 4 bits IHL: 4 bits Type of Service: 8 bits or DSCP: 6 bits ECN: 2 bits Total Length: 16 bits Identification: 16 bits Flags: 3 bits Fragment Offset: 12 bits Time to Live (TTL): 8 bits Protocol: 8 bits Checksum: 16 bits Source Address: 32 bits Destination Address: 32 bits