Path overhead - sonet sdh , Computer Networking

Assignment Help:

Path  Overhead

It is part  of SPE  and contain followings  information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks,  and path  status.

702_Path  Overhead.png

                                                                                     Figure  Path Overhead

a.Path  trace byte : The JI bytes in consecutive frames form a 64 kbps channel used for  tracking the path . the JI byte send a continuous 64 bits string to verify  the connection. The choice  of the  string  is left to the application  programs.

b.Path parity byte : Byte B3 is for  bit interleaved parity  like byte B1 and B2. But calculated for the path header.

c.Path signal  label byte > Byte  C2 is the  path  identification byte. It is used to  identify different protocols  used at higher levels .

d.Path status byte > Byte  G1 is sent by the receiver to communicate  its status to the  sender.

e.Path  user channel byte : The byte 2 bytes in consecutive frames like the F1 bytes form a 64 kbps channel is reserved for user needs,, but  at the path  level.

f.Virtual tributary indicate byte H4 is the multi frame indicator. It  indicates payloads that cannot  fit in single frame. Virtual tributaries are discussed in the  next section.

 


Related Discussions:- Path overhead - sonet sdh

Icmp process, Some of the ?elds of IP and ICMP datagrams will be ?xed, some...

Some of the ?elds of IP and ICMP datagrams will be ?xed, some will be settable by the application, and others will computed according to the situation. You must set all ?elds of th

Resolution of domain name system, Q. Resolution of domain name system? ...

Q. Resolution of domain name system? - Mapping a name to an address or else an address to a name - Resolver is a DNS client used by an address to provide mapping - In re

What are the data link protocols, What are the Data link protocols? Dat...

What are the Data link protocols? Data link protocols are sets of specifications used to implement the data link layer. The categories of Data Link protocols are 1. Asynchro

Components of the vpn - point to point , Components of the VPN When  us...

Components of the VPN When  using  VPN we incorporate many pieces of a jigsaw puzzle each piece services its own  function to private  the interoperation and the  security  nec

How intranet is different from internet, How Intranet is different from Int...

How Intranet is different from Internet? Generally an Intranet is different from an Internet in the following ways: i. Intranet is a network within the organisation whereas

Intradomain and interdomain routing protocols?, Describe the concept of int...

Describe the concept of intradomain and interdomain routing protocols?

Describe the term disaster management as security threats, Describe the ter...

Describe the term Disaster Management as security threats Making and testing backups regularly could be the simplest and easiest of all the security measures. But a new questio

Define the analog audio and video conferencing systems, Define the analog a...

Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a

State the characteristics of thinnet, Thinnet Characteristics Short...

Thinnet Characteristics Shorter range (185 meters) as well as smaller capacity Bus topology LAN Connectors and cables include: thin coaxial cable, NICs and BNC-T

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