Dynamic configuration and signaling, Computer Networking

Assignment Help:

Dynamic Configuration

  • int pvm_addhosts( char **hosts, int nhost, int *infos )

Add hosts to the virtual machine. hosts is an array of strings naming the hosts to be added. nhost states the length of array hosts. infos is an array of length nhost which returns the status for every host. Values less than zero shows an error, while positive values are TIDs of the new hosts.

Signaling

  • int pvm_sendsig( int tid, int signum )

Sends a signal to one more PVM process. tid is task identifier of PVM process to receive the signal. The signum is the signal number.

  • int info = pvm_notify( int what, int msgtag, int cnt, int *tids )

Request notification of PVM event such as host failure. What states the type of event to trigger the notification. Some of them are:

PvmTaskExit

Task killed or is exits.

PvmHostDelete

Host is crashes or deleted.

PvmHostAdd

New host is added.

msgtag is message tag to be used in notification. cnt For PvmTaskExit and PvmHostDelete, states the length of the tids array. For PvmHostAdd states the number of times to notify.

tids for PvmTaskExit and PvmHostDelete is an array of length cnt of task or pvmd TIDs to be notified about. The array is not used by the PvmHostAdd option.


Related Discussions:- Dynamic configuration and signaling

Controlling and monitoring access to the intranet, Controlling and monitori...

Controlling and monitoring access to the Intranet Digital certificates provide excellent means of controlling and monitoring access to the Intranets. The certificate itself act

Protocol software and ethernet wiring, PROTOCOL SOFTWARE AND ETHERNET WIRIN...

PROTOCOL SOFTWARE AND ETHERNET WIRING:  All wiring methods use identical Ethernet specifications. e.g. they need same message format. They need same CSMA/CD algorithems. They m

Mention different categories of computer networks, Mention different catego...

Mention different categories of computer networks (on the basis of scale) and distinguish one from the other. Local Area Network (LAN): Metropolitan Area Network (MAN): W

Describe the term - certification authority, Describe the term - Certificat...

Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).

Advantages - point to point , Advantages There are  times when  using ...

Advantages There are  times when  using  packet filters makes  sense. If the  connections require high  throughput  or the protocols  has proprietary technology that makes  it

Use of infrared, Q. Use of Infrared? - Frequencies among 300 GHz and 4...

Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati

Coaxial Cable - computer network, Coaxial Cable Coaxial  cable  carrie...

Coaxial Cable Coaxial  cable  carries signals  of higher  frequency ranges than those in twisted pair cable. In part  because the two media are constructed quite  differently.

Access networks and physical media - computer network, Access Networks and ...

Access Networks and Physical Media Access  networks  are the  physical  links(S) that connect  an end  systems to its edge  router. Which  is the  first router on a path  fr

Source port number - transport layer, Source Port Number This fields o...

Source Port Number This fields occupies  the first 16 bytes of the UDP header. This  fields typically hold the UDP port number  of the application sending  this datagram. The

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd