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IST-2000-25187

Deliverable D4.3

Evaluation of Phase I Field Trial

TORRENT

IST-2000-25187 PUBLIC Page 33 of 77

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Through the Linux NETLINK API. In this case, the RG Agent opens a netlink socket to

the kernel and requests proper parameters for the SNMP operation. This kind of

communication is very useful in cases that the requested data can be retrieved directly

form the device drivers of the network adapters or from specific kernel modules like

netfilter and traffic control.

The definition of the RG MIB in terms of detailed specification of the managed objects should be

based on the requirements of RG and LAP management agents. Managed objects are accessed via

a virtual information store, called the Management Information Base or MIB. Objects in the MIB

are defined, using the subset of Abstract Syntax Notation One (ASN.1). In particular, each object

has a name, syntax, and an encoding. The name is an object identifier, an administratively

assigned name, which specifies an object type. The object type together with an object instance

serves to uniquely identify a specific instantiation of the object.

The standard MIB II and the T-RG MIB are being used by the RG API. The first one is involved

in the following areas:

• System

• Interfaces

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Network protocols

• SNMP

The second one consists of the MIB II standard extensions in the following areas:

• System Management

Interfaces Management

4.3 Test set-up

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HP Vectra VEi7 Technical Information Seite 33