Case Study: METTLE SE
: Kochi, Kerala
They were established in the year 1978 and were one of the premier stock exchanges in India. They
started out with a listing of 5 companies and 14 members which later expanded to 240 listed companies
and 508 members. They computerised their offices as early as in 1980s, introduced the facility for
computerised stock trading in 1997. Being an IT savvy company they were one of the promoters of the
”Interconnected Stock Exchange of India” programme. By the dawn of 21st century the regional stock
exchanges started facing stiff challenge from National and Bombay stock exchanges (NSE & BSE). To
face this challenge they promoted a 100% subsidiary and started trading in National and Bombay Stock
Exchanges. They are the first subsidiary of a stock exchange to get membership in both NSE & BSE.
Problems to solve
The client is involved in online stock trading and they have about 170 sub brokers doing business with
them. They wanted to introduce online trading so that their sub brokers can trade from outside their office
premises. Introduction of a successful online trading requires that the following challenges are resolved:
• They needed a solution to make their LAN based stock trading application to work on Internet.
• Their stock trading application uses UDP broadcast to send stock scrip information to clients. For-
warding of UDP broadcast over VPN was not supported in any of the VPN/router/firewall equipment
they evaluated. The closest they could get was ”ip helper-address” based solution which converted
UDP broadcast into unicast.
• The chosen solution should be able to scale to hundreds of simultaneous users without introducing
• Sub brokers’ computers connected through the VPN should not be able to communicate with each
other to avoid possible virus/worm break out.
• As a stock broking company they required absolute reliability and wanted to avoid any single point
Mettle SE provides the follo