Thesis (M.A.Sc.) -- University of Toronto, 1995.
|Series||Canadian theses = -- Thèses canadiennes|
|The Physical Object|
|Pagination||1 microfiche : negative. --|
An important concept associated with ATM is the use of virtual paths [l, A virtual path (VP) is a logical connection for a node pair by means of a label in the header of an ATM cell named Virtual path Identifier (VPI). Each VP is considered as a logical link for a certain service. Thus VP subnetworks for different services can be built within. Such a channel must be set up within a pre-established virtual path. It can then be used to allow the two end users, without network intervention, to establish and release user-to-user virtual channels to carry user data. For virtual paths, three methods are defined: A virtual path can be established on a semi-permanent basis by prior agreement. iv) Explain briefly the Rate Based and Credit Based Congestion Control Schemes v) Give the reasons why the rate based scheme has been adopted by the ATM Forum. QUESTION 6. i) What are the additional QoS parameters for wireless ATM networks? ii) Consider the ATM cell structure. Suggest a method for using the. ber of disjoint routes below a hop-limit equal to four . Herzberg et. al, propose the “Extra-Hop Limit” heuristic which is the network diameter’ in hops plus an additional hop count limit . We consider the effects of hop-limits on scaling survivable ATM group communication methods to real networks. The remainder of this paper is or-.
Method and system for supporting a dedicated label switched path for a virtual private network over a label switched communication network USA1 (en) Cisco Technology, Inc. Method for recursive BGP route updates in MPLS networks USA1 (en) * Consider first the 8-bit VPI and the bit VCI. The VPI/VCI combination is the connection identifier. A virtual path identifier (VPI) groups many virtual channel identifiers (VCI). ATM allows two levels of multiplexing: virtual channels may be multiplexed into the same virtual path, and virtual paths may be multiplexed into the same link. Asynchronous Transfer Mode Channels and Paths Cell Rate Decoupling ATM Layer Generic Flow Control Virtual Path Identifier Virtual Channel Identifier examining ISDN as the merging point of data and voice networks. Chapter 12 looks at the ATM technology and. 3. On an ATM network how is the path that data will take determined? a. Switches determine the optimal path between sender and receiver, and then establish the path before transmission. b. Data is transmitted, and then the path taken will vary depending on the load encountered at each ATM participant node. c.
An Architecture for Managing Virtual Circuit and Virtual Path Services on ATM Networks 4 2. Architecture This section presents an overall architectural framework for conﬁguring and managing the perfor-mance of VC and VP services on ATM networks. . In a packet communication network, a method of packet switched transport is provided using digraphs defining paths among nodes in which a graph identifier, instead of a literal destination address, is used to determine paths through the network. The nodes themselves implement a real-time mesh of connectivity. Packets flow along paths that are available to them, flowing around obstructions such. Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by ANSI and ITU (formerly CCITT) for digital transmission of multiple types of traffic, including telephony (voice), data, and video signals in one network without the use of separate overlay networks. ATM was developed to meet the needs of the Broadband Integrated Services Digital Network, as defined in the late s. example: X (ITU-T Recom) Frame Relay, ATM (Asynchronous Transfer Mode) In telecommunications, message sw itching was the precursor of packet switching, w .