Dynamic bandwidth allocation mechanism between circuit slots and packet bit stream in a communication network
US4763321A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1986 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Aug 4, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/64
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
System for dynamically allocating circuit slots in frames which are used for exchanging bits between users connected to nodes of a communication network linked by means of medium links having transmit and receive interfaces, the frames are delimited by flags and divided into bit slots which may be used for synchronous circuit flow or asynchronous packet flow. Each node changes the flags preceding at least one frame in which at least one slot is to be added or deleted to a value including a first number of delimiting bits and a second number of bits which are coded to indicate that slot(s) is (are) to be added or deleted and the corresponding slot number sends call control packets which are propagated through the network nodes. The packets include call control information, routing information and indicating the circuit user slot number(s) to be added or deleted on specified link interfaces, and receive the call control packets and the modified flags for adding or deleting circuit user slot(s) in subsequent frames depending upon the flag value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.