ISO 15396:2007定义了一个交叉支持参考模型，该模型为协调CCSDS空间链路扩展（SLE）服务规范建议标准的制定提供了共同基础，并作为保持这些建议标准一致性的参考。

ISO 15396:2007 defines a cross-support reference model which provides a common basis for coordinating the development of CCSDS Recommended Standards for space link extension (SLE) service specifications and serves as a reference to maintain the consistency of these Recommended Standards.