Apple Network Setup Must be the size in bytes of this structure, Carry. The default is, Value is

C H A P T E R 4

Network Setup Protocol Structures and Data Types

fSize	Must be the size in bytes of this structure.
fDefaultSendBlockingBytes, default is 16.
fTSDUSize	The Transport Service Data Unit (TSDU), which is the
	maximum amount of data that packets of this protocol can
	carry. The default is 572.
fETSDUSize	The extended TSDU (ETSDU) size. The default is 572.

fDefaultOpenInterval

The default open interval in milliseconds. The default is 3000.

fDefaultProbeInterval

The default probe interval in milliseconds. The default is 30000.

fMinRoundTripTime

The minimum round trip time in milliseconds. The default is 100.

fDefaultSendInterval

The default send interval in milliseconds. The default is 100.

fDefaultRecvWindow The default receive window in bytes. Must be 27648. This

	value is ignored by current versions of Open Transport.
fDefaultOpenRetries
	The default number of open retries allowed. The default
	value is 3.
fDefaultBadSeqMax	The default maximum number of sequence errors. The
	default value is 3.
fDefaultProbeRetries
	The default number of probe retries. The default value is 3.
fMaxConsecutiveDataPackets
	The maximum number of consecutive data packets. The
	default value is 48.
fDefaultChecksum	Whether checksumming is enabled. The default value is
	FALSE.
fDefaultEOM	The default end of header. The default value is FALSE.

For a detailed description ADSP, see Inside Macintosh: Networking with Open Transport and Inside AppleTalk, Second edition.

148Protocol Structures