{"type":"rich","version":1.0,"title":"Ping Ascii Art with OpenFlow - TremaでICMPを制御してみた","width":1540,"html":"<a href=\"https://asciinema.org/a/40672\" target=\"_blank\"><img alt=\"Ping Ascii Art with OpenFlow - TremaでICMPを制御してみた\" src=\"https://asciinema.org/a/40672.png\" width=\"1540\"></a>","height":1816,"author_name":"kooshin","author_url":"https://asciinema.org/~kooshin","provider_name":"asciinema","provider_url":"https://asciinema.org/","thumbnail_height":1816,"thumbnail_url":"https://asciinema.org/a/40672.png","thumbnail_width":1540}