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IST-2000-25187

Deliverable D4.3

Evaluation of Phase I Field Trial

TORRENT

IST-2000-25187 PUBLIC Page 31 of 77

Figure 18. RG API architecture

4.2.3 TCP/IP-based

The TCP/IP-based approach of the RG API implementation, consists on the following modules:

−

RG Daemon: handles all the requests from the RG API library. In order to return back

the results of the function calls it uses either the SNMP protocol or the direct access to

the specific RG information (e.g. configuration files)

− RG C library: provides the API functionality to the SRM software.

−

RG Java library: provides an alternative API functionality (Java-based) to the SRM

software. This library operates with the already implemented C library by using the Java

Native Interface (JNI).

The implemented functions of the C and Java library are shown in the table below, while the full

description is specified in D2.2 [5].

Functions Description

C-API Java-API

set_forwarding setforwarding

Set (enable/disable) IPv4

Linux SNMP

MIB II

T-RG

MIB

SNMP

Agent

SNMP Agent extension for T-

Parameter

Retriever

Parameter

s to MIB

mapper

SNMP

T-RG

configuration

files

/proc

filesystem

User Space

Kernel Space

NETLINK API

Network

Device Driver

Network

Protocol

Stack

Linux Traffic

Control

SNMP Manager

Service Agents

LAP

T-RG Daemon

T-RG C-Lib

SNMP

TCP/IP

Direct

Access

Service

Agents

Agent running on T-RG

or on a Remote System

Service Access Point

Using the SNMP Agent

Java lib

Service Access Point

Using the RG Daemon

Linux SNMP

MIB II

T-RG

MIB

SNMP

Agent

SNMP Agent extension for T-

Parameter

Retriever

Parameter

s to MIB

mapper

SNMP

T-RG

configuration

files

/proc

filesystem

User Space

Kernel Space

NETLINK API

Network

Device Driver

Network

Protocol

Stack

Linux Traffic

Control

SNMP Manager

Service Agents

LAP

T-RG Daemon

T-RG C-Lib

SNMP

TCP/IP

Direct

Access

Service

Agents

Agent running on T-RG

or on a Remote System

Service Access Point

Using the SNMP Agent

Java lib

Service Access Point

Using the RG Daemon

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