Hello All, Thanks a lot for clarifications.
--- Sundeep Singh <[EMAIL PROTECTED]> wrote: > On Thu, 7 Apr 2005, Dave Shield wrote: > > > On Wed, 2005-04-06 at 08:33, Soori wrote: > >> In every SNMP document it is stated that SNMP > uses UDP > >> as transport. Can any body tell me is there any > >> specific reason to use SNMP over UDP and not TCP > ? > > TCP uses 3 way handshake before the real > transmission starts, while UDP > dosent need any such handshakes. > Also when there is congestion and consequently > packet losses occurs, TCP > retransmits the packets further adding to the > congestion. > > Sundeep. > > > > > As well as the question of behaviour in a failing > network, > > that baskeböler mentions, there's another issue to > consider. > > > > When SNMP was first being developed, one of the > aims was > > to make it as lightweight as possible, so that it > could > > safely be included within embedded systems where > processing > > resources might be at a premium. UDP is a > significantly > > simpler protocol than TCP, so it was felt this > could result > > in a smaller implementation footprint. > > > > With the explosion in processing power, such > concerns are > > now much less important. > > > > Currently, the most important reason for running > SNMP over > > UDP, is that this is the accepted standard > arrangement. The > > whole point of network management is to be able to > talk to > > a wide variety of networked kit. There's not much > point > > in choosing a different transport, if half your > boxes don't > > support it! > > > > > >> I think Net-SNMP supports both TCP and UDP. > > > > Correct. > > > > As far as the basic SNMP protocol is concerned, it > doesn't > > actually care *what* transport is used. The > transport is > > there to get a message from A to B. As long as > the request > > gets there (and the response gets back again), you > could > > run SNMP over Secret-Decoder-Ring if you really > wanted to :-) > > > > Net-SNMP implements a modular transport mechanism, > so can > > support a variety of different transports (take a > bow, John). > > These include UDP and TCP over both IPv4 and IPv6, > IPX, > > AAL5, and local callbacks. None of this affects > the basic > > operation of the agent or client tools. > > > > But if you want to manage other kit, you must use > transport > > mechanisms that they support. > > > > Dave > > > > > > > > > ------------------------------------------------------- > > SF email is sponsored by - The IT Product Guide > > Read honest & candid reviews on hundreds of IT > Products from real users. > > Discover which products truly live up to the hype. > Start reading now. > > http://ads.osdn.com/?ad_ide95&alloc_id396&opÌk > > _______________________________________________ > > Net-snmp-users mailing list > > Net-snmp-users@lists.sourceforge.net > > Please see the following page to unsubscribe or > change other options: > > > https://lists.sourceforge.net/lists/listinfo/net-snmp-users > > > > -- > Sundeep. __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
