Opportunity
Demand on local service providers,
already greater than ever, continues to mount at an
incredible pace. Rapid growth in fax transmissions,
internet traffic and point-of-sales transactions call
for greater bandwidth and additional lines. That's where
Digital Subscriber Line (DSL) technology can play such
an important role. DSL technology achieves broadband
speed over the most universal network media, the ordinary
phone wire. One of the most essential elements of a
comprehensive DSL system is the Network Management System
(NMS). Critical Business applications require reliable
network management support.
Our client, an European Telecom OEM
entrusted Aricent with the responsibility of developing
the Embedded Element Management System and the Network
Management System for the entire DSL Network elements.
Aricent Solution
The development work spanning 40 person
years comprises implementing NMS and EMS solutions with
FCAPS functionalities.
Aricent developed EMS would include features
for Monitoring and Configuration of DSL Line cards and
other equipments e.g. LEDs, Relays etc. The Network
Management includes the management of Several EMSs.
In the developed solution, an NMS
manages a DSL network consisting of several element
management systems via SNMP. It provides Web Based interface
to clients and support for FCPS features of network
management. The EMS works as proxy-agents. This means
it receives all requests from the NMS, translates and
sends them to shelf cards. It also receives traps from
shelf cards, translates and sends them to NMS. In future,
NMS will also provide support for an Umbrella NMS.
The solution comprised designing an
application-independent architecture for NMS system.
For implementing this, at the EMS-end, an SNMP manager
is required. It provides support for executing get and
set requests from NMS to Element Managers. It also includes
a trap handling component, which listens for traps from
Element Managers and then passes the received traps
to the Processing Unit.
Processing Unit is the core unit of NMS, which process
all requests/responses and maintains the data related
to these. It receives requests from user interface clients
through intermediate layers, processes them and sends
the corresponding SNMP request to SNMP agents. It also
receives responses and information(traps, performance
data etc.) from SNMP manager, processes it and passes
it on to clients. This unit is also responsible for
maintaining the MIB and MIT.
The solution required technical team
well versed with Sun Solaris 2.6, HP Open View Network
Node Manager development Toolkit 6.1, Jbuilder 3.5 Enterprise,
Oracle 8, and Epilog.
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