The encoding of the discovery response header structure is specified in Table 87.

Table 87 – Discovery Response Header Structure

Name

Type

Description

ResponseType

Byte

The following types of discovery response messages are defined.

0Reserved

1Publisher Endpoint message (see 7.2.2.4.2.3)

2DataSet Metadata message (see 7.2.2.4.2.4)

3DataSetWriter configuration message (see 7.2.2.4.2.5)

SequenceNumber

UInt16

A strictly monotonically increasing sequence number assigned to each discovery response sent in the scope of a PublisherId.