OpenFlowとは何か

Python Developers Festival 2011.10で発表した内容

Transcript

1. OpenFlowͱ͸Կ͔ @oshothebig
2. ͓લ୭Αʁ • ਗ਼ਫɹᠳ (Twitter: @oshothebig) • ෋࢜௨ݚڀॴ • ίΞωοτϫʔΫͷݚڀ • ࠷ۙ͸ɺωοτϫʔΫͷলిྗԽ • Pythonͱͷؔ܎: NetworkXͳ͍ͱࠔΔ
3. ͓લ୭Αʁ • ਗ਼ਫɹᠳ (Twitter: @oshothebig) • ෋࢜௨ݚڀॴ • ίΞωοτϫʔΫͷݚڀ • ࠷ۙ͸ɺωοτϫʔΫͷলిྗԽ • Pythonͱͷؔ܎: NetworkXͳ͍ͱࠔΔ NetworkX Love
4. ࠷ॳʹ͓அΓ ࠓ೔ͷ಺༰͸ɺ Python͸΄΅ؔ܎ͳ͠
5. OpenFlow
6. ฉ͍ͨ͜ͱ͋Δਓʁ
7. OpenFlow • ελϯϑΥʔυେֶͷNick McKeownڭतͷݚڀά ϧʔϓΛத৺ʹ։ൃ͞Εͨ৽͍͠ωοτϫʔΫΞʔΩ ςΫνϟ • ࠓ೥ʹೖͬͯɺඪ४ԽஂମͷOpen Networking Foundation (ONF)͕ઃཱ
8. NEC͕ରԠ੡඼Λൃද
9. ಛ௃ • ੍ޚͱసૹͷ෼཭ (Control / Forwarding Separation) • ϓϩάϥϚϏϦςΟ (Software Defined Network: SDN)
10. ͜Ε·Ͱͷϧʔλ ੍ޚ෦ సૹ෦ •ϧʔςΟϯάϓϩτίϧ •ܦ࿏ΛܾΊΔ •IOS (Cisco), Junos (Juniper) •ύέοτͷϑΥϫʔσΟϯά •ओʹϋʔυ΢ΣΞͷྖҬ
11. ੍ޚ෦ͱసૹ෦Λ෼཭ ੍ޚ෦ సૹ෦ OpenFlow ϓϩτίϧ OpenFlowίϯτϩʔϥ ɹεΠονͷಈ࡞Λܾఆ OpenFlowεΠον ɹ͓͹͔ ɹࢦࣔ͞Εͨ௨Γʹಈ͘
12. ͜Ε·Ͱ
13. ͜Ε·Ͱ
14. ͜Ε·Ͱ OpenFlow
15. εΠονͷಈ࡞ ϑϩʔͷఆٛʹϚον͢ΔΞΫγϣϯΛ࣮ߦ ϑϩʔʁ ΞΫγϣϯ ύέοτͷసૹɺഁغɺϑΟʔϧυͷมߋ
16. ύέοτͷసૹ
17. ύέοτͷసૹ
18. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ
19. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕͋ͬͨ
20. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕͋ͬͨ 3. ࢦఆͷΞΫγϣϯΛ࣮ߦ
21. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕͋ͬͨ 3. ࢦఆͷΞΫγϣϯΛ࣮ߦ ίϯτϩʔϥ͸հࡏ͠ͳ͍
22. ύέοτͷసૹ
23. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕ͳ͍
24. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕ͳ͍ 3. ίϯτϩʔϥʹ໰͍߹Θͤ Packet In
25. ύέοτͷసૹ 1. Ϛον͢ΔϑϩʔΛݕࡧ 2. Ϛον͢Δϑϩʔ͕ͳ͍ 3. ίϯτϩʔϥʹ໰͍߹Θͤ 4. ίϯτϩʔϥ͕సૹํ๏Λ ܾఆ͠ɺεΠονʹ௨஌ ίϯτϩʔϥ͕հࡏ͢Δ Packet In
26. Կ͕͏Ε͍͔͠ʁ • ύέοτͷసૹํ๏Λࣗ༝ʹܾΊΒΕΔ • ࠓ·Ͱ͸੍ޚ෦ɾసૹ෦͕ඇެ։ɾີ݁߹ • ඪ४Խ͞ΕͨΦʔϓϯͳΠϯλʔϑΣΠε • ίϯτϩʔϥ͸Ұछͷαʔόʔιϑτ΢ΣΞ • ϑϨΩγϒϧɾϓϩάϥϚϏϦςΟ͕͋Δ
27. ಛʹ஫໨͞Ε͍ͯΔྖҬ • σʔληϯλʔ಺෦ͷωοτϫʔΫ΁ͷద༻ • ͳ͔ͥʁ • ωοτϫʔΫͷԾ૝Խ • Tag VLANͷݶք (12bit = 4096ͷࣝผࢠ) • ࣗಈԽʹΑΔӡ༻؅ཧͷলྗԽ
28. ੍ޚ෦ సૹ෦ OpenFlow ϓϩτίϧ ΞϓϦέʔγϣϯ ΞϓϦέʔγϣϯ APIΛنఆ ίϯτϩʔϥ εΠον
29. ࣅͨߏ଄Λݟͨ͜ͱ͕ʁ
30. OS PC ΞϓϦέʔγϣϯ ΞϓϦέʔγϣϯ APIΛنఆ
31. ίϯτϩʔϥ = OS
32. εΠον = PC
33. ίϯϐϡʔλɺ OSແ͚Ε͹λμͷശ
34. OpenFlow ίϯτϩʔϥແ͚Ε͹ λμͷശ
35. ίϯτϩʔϥ͕ॏཁ
36. ίϯτϩʔϥ͕ॏཁ
37. OpenFlowίϯτϩʔϥ࣮૷ • NOX (Nicira) • Core: C++, PythonͰΞϓϦέʔγϣϯهड़Մೳ • Trema (NEC) • Core: C, RubyͰΞϓϦέʔγϣϯهड़Մೳ • Beacon (Stanford (and Big Switch Networks?)) • Java
38. ίϯτϩʔϥಈ͔ͯ͠ ༡ͼ͍ͨʂ
39. NOX •http://noxrepo.org/ •MacͰϏϧυग़དྷͳ͍ orz •ͬ͘͞ͱɺ͖͋ΒΊ
40. Trema •http://trema.github.com/trema/ •MacͰϏϧυग़དྷͳ͍ orz •ͬ͘͞ͱɺ͖͋ΒΊ
41. Beacon • http://www.openflowhub.org/display/ Beacon/ • MavenͰϏϧυͰ͖ͣ orz • ϑΥʔϥϜʹ࣭໰ͨ͠Β • Eclipse࢖ͬͯʂMaven͸ࠓ࢖͑ͳ͍
42. ͑ͬʂʁ
43. ϏϧυͷͨΊ͚ͩʹ Eclipseͱ͔ɻɻɻ
44. ΋ʔ͍͍ʂ
45. ಈ͘΋ͷ͕ͳ͍ͳΒ ࣗ෼Ͱ࡞Δ͠ʂ
46. Galibier OpenFlow Controller •https://github.com/oshothebig/ galibier •໊લɿΨϏϦΤಕ͔Β •Java
47. Python͡Όͳ͍ͷʁ
48. openflowj
49. ελϯϑΥʔυͷਓ ͋Γ͕ͱ͏
50. Netty
51. Trustin Lee ͋Γ͕ͱ͏
52. ଞਓͷ;ΜͲ͠Ͱ ͝ΊΜͳ͍͞
53. Controller Performance ? http://www.openflow.org/wk/index.php/ Controller_Performance_Comparisons
54. ϕϯνϚʔΫπʔϧ cbench͕Ϗϧυग़དྷͳ͍ orz
55. ͡ΌɺϕϯνϚʔΫ΋
56. Netty͛͢ʔ
57. େมͩͬͨ͜ͱ •࢓༷ॻͷهड़͕݁ߏ؁͍ •໌֬ʹهड़͞Ε͍ͯͳ͍Օॴ ͕͋Δ
58. ϒϩά • 300ߦ଍ΒͣͰॻ͚ΔJavaʹΑΔOpenFlowί ϯτϩʔϥ (http://bit.ly/qXoMGM) • OpenFlowͷϕϯνϚʔΫϓϩάϥϜΛJavaͰ ॻ͘ (http://bit.ly/pbI3Or)
59. Python࢖͍ʹ͸ • Pure Pythonͷίϯτϩʔϥ࣮૷ʁ • OpenFaucet https://github.com/midokura/ openfaucet
60. ·ͱΊ • OpenFlow͕஫໨͞Ε͍ͯΔ • ίϯτϩʔϥ͕Ұ൪ॏཁ • ͍͍ײ͡ͰMacͰಈ͘ͷͳ͔ͬͨ • ίϯτϩʔϥͱϕϯνϚʔΫ࡞ͬͯΈͨ
61. Thank you