| 单词 | ATM standards largely are outgrowths of B-ISDN standards set by the ITU-T.The ATM Forum, now |
| 释义 | merged into the MFA Forum, developed interoperability specifications. The Frame Relay Forum (FRF), also now merged into the MFA Forum, worked with the ATM Forum in the development and publishing of joint Implementation Agreements (IAs) that specify the protocol interworking functions between frame relay and ATM networks.The Internet Engineering Task Force (IETF) also got involved in standards development as ATM has significant implications relative to the Internet backbone. ITU-T Standards Recommendations of significance include the following: • I.113: B-ISDN Vocabulary • I.121: Broadband Aspects of ISDN • I.150: B-ISDN ATM Functional Characteristics • I.211: B-ISDN Service Aspects • I.311: B-ISDN General Network Aspects • I.321: B-ISDN Protocol Reference Model • I.327: B-ISDN Functional Architecture Aspects |
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