ISO International Standard

Space data and information transfer systems — Space link extension — Internet protocol for transfer services

ISO 18440:2016 defines a protocol for transfer of SLE PDUs between an SLE user and an SLE provider system in terms of:

a) the procedures used to establish and release associations;

b) the messages exchanged on an established association;

c) the procedures used to monitor the status of data communication connections; and

d) the methods used to ensure that data are converted between different formats and representations on different platforms.

It does not specify:

a) individual designs, implementations, or products;

b) the configuration of the data communications infrastructure, including configuration of the TCP and IP protocols;

c) the means by which addresses (IP addresses and TCP port numbers) are agreed, assigned and communicated.

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