Hi Girish,
can you pls provide some dumps about the netflow.
Regards,
kavin
On Wed, Jun 19, 2013 at 12:40 PM, Girish Venkatachalam <
[email protected]> wrote:
> It is very easy to make money.
>
> It is very easy to create a software product.
>
> It is also easy to sell on the Internet.
>
> Okay?
>
> Do as I say.
>
> Don't ask me why I am poor and unsuccessful. I am only good at giving
> practical advice that works.
>
> Netflow is a Cisco standard for measuring the traffic flows in a network.
>
> By that I mean your LAN.
>
> Nowadays packet traffic determine how busy your hotel business is.
>
> Think of a hotel.
>
> 100s of tables, 4 at each and 10 waiters. Food is being served. Plates
> are cleaned.
>
> And people walk to wash their hands.
>
> Also cash is collected and change given.
>
> People move around carrying the "business".
>
> In the software equivalent, this happens using packets.
>
> In your LAN, say college LAN some are playing games, some watching
> p0rn, some watching
> some youtube movie, some reading up , some playing with network protocols.
>
> Netflow gives you a way to instrument a node in your network, say your
> router or firewall to
> passively identify the traffic patterns, how many packets are coming
> in from Noda A to Node B,
> how many going out, which protocol and so on.
>
> SNMP or simple network management protocol is used to query a network
> entity that runs an SNMP server or
> agent to report the various system statistics. But netflow has
> nothing at all to do with SNMP.
>
> Netflow passively measures the traffic flows. And tells you which IP
> address is using up how much bandwidth
> and for how long.
>
> It is a really cool tool.
>
> SNMP works differently. You have managers and agents and you query
> every node to know which processor,
> how much RAM, what disk usage is there and of course, how many
> network interfaces are there, what their
> usages are etc.
>
> SNMP may or may not be enabled.
>
> It works by querying. But netflow will tell you everything by just
> running a netflow daemon, a collector that
> sits in the node that sees all the packets in your network. Typically
> a forwarder like your default gateway.
>
> And once you have to data, then what?
>
> Create graphs, tell the sys admin that you have to provision more
> bandwidth or block p2p traffic and so on.
>
> It is a really fantastic forensic and educational tool to study your
> demographics.
>
> What does this have to do with money making?
>
> Well Zoho has been making money using this technology and many others.
> They created useful dashboards,
> they created useful tools to collate the data, to visually represent
> and analyze this.
>
> Despite there being 100s of free tools they are able to make money. Why?
>
> People pay money for convenience. When they don't have to work hard.
>
> Almost all open source tools require you to work a little bit to see
> pretty graphs of netflow.
>
> There you go.
>
> Products don't have to be made from scratch. You can piggyback on a
> really good concept.
>
> -Girish
>
> --
> Gayatri Hitech
> http://gayatri-hitech.com
> _______________________________________________
> ILUGC Mailing List:
> http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
> ILUGC Mailing List Guidelines:
> http://ilugc.in/mailinglist-guidelines
>
--
s.s.kavinnath
challenge everything
_______________________________________________
ILUGC Mailing List:
http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
ILUGC Mailing List Guidelines:
http://ilugc.in/mailinglist-guidelines
