snaNetwork snapshot data (subarea data)

For subarea network topology data, the linked-replies for snaNetwork contain data made up of multiple instances of the following sequence:

vertex1    --Adjacent SSCP (CDRM)
vertex2    --Local VTAM
endpoint1  --Virtual route supporting active CDRM

VTAM® provides the long form of vertex1 when it reports initial data or object creation such as for the activation of a new CDRM major node. VTAM provides the short form of vertex1 when it reports changes or deletions.

In general, the data structure of vertex1, vertex2, and endpoint1 is as follows:

vertex1
        object  --object distinguished name
        class   --object class (CDRM)
        states  --OSI states of this object
        info
           dependencies  --object attribute
           realSSCPname  --object attribute
        reason  --reason for this vertex1 to be reported
 
vertex2
        object  --object distinguished name (local VTAM)
        class   --object class
 
endpoint1
        object  --object distinguished name
        class   --object class (VR)

The following list explains what the fields contain.

vertex1

Contains all data reported for a single node object for either initial data or a single update for the object (CDRM).

object

Distinguished name of CDRM resource

class

Monitored node objects are reported under the crossDomainResourceManager object class.

states

Consists of a 14-character string for the OSI states

info

Set of attributes for the CDRM related object.

reason

Indicates why the snapshot update is being sent.

Note: The reason field is omitted when the intended value is addOrUpdate.

Value: Description
deleted: Object is deleted.
addOrUpdate: Object is added or changed. The default is addOrUpdate.

vertex2

Reports on the local VTAM agent host.

object: Distinguished name of local VTAM agent host.
class: Always reported as t5node object class.

endpoint1

Contains all data reported for a single virtual route object for either initial data or a single update for the virtual route.

object: Distinguished name of the virtual route.
class: Monitored virtual route objects are reported under the virtualRoute object class.

To see the vertex1 entries that are included in each type of subarea snapshot action, see Table 1.

Table 1. vertex1 entries for CDRM reported objects. Object creation means the creation of a new CDRM.
	Initial data	Object creation	Object state change	Object attribute change	Object deletion
object	X	X	X	X	X
class	X	X	X	X	X
states	X	N/A	X	X	N/A
info	X	X	X	X	X
dependencies	X	X	X	X	N/A
realSSCPname	X	X	X	N/A	N/A
reason	N/A	N/A	N/A	N/A	X