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

Maximum packet lifetime, Take the maximum packet lifetime, T.  It's stated ...

Take the maximum packet lifetime, T.  It's stated that T must be big enough to make sure the packet and its ACK have vanished.  Why do we have to have the ACK?

Disk encryption and block cipher, Suppose AES (or any block cipher) is used...

Suppose AES (or any block cipher) is used to encrypt data. Which mode of encryption covered in class is best suited for each of the following two scenarios and why? If more than on

Clos network, Clos network This network was organized by Clos (1953).  ...

Clos network This network was organized by Clos (1953).  It is a non-blocking network and gives full connectivity like crossbar network but it also requires significantly minim

Internet backbone - computer network, Internet Backbone Internet backb...

Internet Backbone Internet backbone  is the  physical  networks ( usually relying  on fiber optic  cable ) that  carries  internet  traffic between  different  networks  and i

What is d-amps, What is D-AMPS D-AMPS uses 832 channels (in every dire...

What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel

Network control protocols ncp, Network  Control  protocols ( NCP) Th...

Network  Control  protocols ( NCP) The first  ARPANET  networking protocols  was named  simply the network  control protocols in 1970,and  was created by  created by  network

What is lrc, What is LRC? In LRC, a block of bits is separated into row...

What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar

Design a logical lan topology- ccna, Design a Logical LAN Topology Step...

Design a Logical LAN Topology Step: Design an IP addressing scheme. Given the IP address block of 192.168.7.0 /24, design an IP addressing scheme that states the following r

Data mining, The following DNA sequences are extracted from promoter region...

The following DNA sequences are extracted from promoter region of genes which are co-regulated by the same transcription factor (TF). The nucleotide segments capitalized in the giv

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