Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Protocol | Creator | License | Transport Layer Security | Bulletins to all contacts | Batch file sharing |
| --- | --- | --- | --- | --- | --- |
| Gadu-Gadu | GG Network | Proprietary | Yes | No | Yes |
| IRC | Jarkko Oikarinen | Open standard | Yes, depending on individual server support | No | No |
| Windows Messenger service | Microsoft | Proprietary (Discontinued) | No | Yes | No |
| MSNP ( Windows Live Messenger , etc.) | Microsoft | Proprietary | No | No | Yes |
| ( Mumble ) | Thorvald Natvig | Open standard | Yes | No | Yes |
| OSCAR ( AIM , ICQ ) | AOL | Proprietary | Yes (Aim Pro, Aim Lite) | No | Yes |
| RVP ( Windows Messenger , etc.) | Microsoft | Proprietary (Discontinued) | No | No | No |
| SIP / SIMPLE | IETF | Open standard | Yes | Yes | Yes |
| Steam Friends | Valve Corporation | Proprietary | Proprietary | Yes | No |
| Skype | Skype | Proprietary | Proprietary | No | Yes |
| TOC2 | AOL | Proprietary (Discontinued) | No | No | Partial |
| XMPP / Jingle ( Google Talk ) | Jeremie Miller , standardized via IETF | Open standard | Yes | Yes | Yes |
| YMSG ( Yahoo! Messenger ) | Yahoo! | Proprietary | No | Yes | Yes |
| Zephyr Notification Service | MIT | Open standard | No | Yes | No |
Question:
What is the name of the license created by IETF?
Answer:
Open standard