Reservation protocols based on bandwidth request messages are prone to collisions during heavy IP traffic load in IEEE 802.16 wireless metropolitan area networks.
2) Converting the operation to properties of the IDL interfaces to SNMP request messages and the SNMP result messages to return values of the operation.
When user agent requests service agent, QoS parameters can be bound in the request messages ,so that service agent receives these messages ,it can use these QoS parameters to negotiate with domain manager ,the results negotiated can be feedbacked to the user agent.
This paper proposes a multipath construction method which can construct all certificate paths by transmitting path construction request messages among CAs.
The model does not only improve the flexibility of the distributed computing platform, but also reduces the request messages. The model is conducive to distributed applications.
Sending thread takes responsibility of sending SNMP request messages,while receiving thread takes charge of receiving SNMP response messages. Due to the fact of parallel data collection,the algorithm is sure of high efficiency.
In DBC, by predicting the number of request messages in next uplink frame, BS controls the optimal backoff ranges dynamically. As a result, the successful rate of sending request messages in each frame is increased, the data throughput of MAC layer is promoted, and the mean access delay of SS is reduced.
Many existing reactive routing algorithms for mobile ad-hoc networks use a simple broadcasting mechanism for route discovery which can lead to a high redundancy of route-request messages, contention, and collision.
Instead of using different spreading codes for different mobile transmitters, all transmitters are assigned the same spreading code to send their access request messages on the access reservation channel.
The second uses an asynchronous approach (ADTX-AP) with a spread slotted ALOHA protocol for access requests; access request messages consist of a synchronizing preamble and a user identifier appendix.
As opposed to the DSR protocol our GDSR scheme consists of propagating the route request messages only to the nodes that are further away from the query source.
In mobile database systems, new features such as mobility, disconnection and long-lived transactions make traditional transaction processing schemes no longer suited. To solve this problem, a new mobile transaction model, O2PC-MT, is proposed in this paper. The O2PC-MT combines optimistic concurrency control with two-phase locking in mobile transaction processing, and utilizes two-phase commit protocol for the global commitment of mobile transactions. In this way, the O2PC-MT provides an effective support f...
A novel distributed restoration method based on fixed alternate routes and on triggering by destination nodes is proposed in intelligent optical networks.The selected fixed alternate routes between a source node and a destination node include k shortest paths and part links-disjoint paths between the node pair. Upon detecting a service path failure, the destination of this failed path will trigger restoration procedure, select one restoration route from the fixed alternate routes in given order under curren...
Service location protocol proposed by IETF is a service discovery standard based on IP network. But this protocol does not support quality of service. In the future, as everyone knows that Internet is a QoS-enabled network. Service discovery is only an aspect of service management , whereas final goal is to use these services. In this paper,service location protocol and next generation Internet service management technologies are studied ,a kind of novelty Internet service management architecture based on...
request messages
请求消息
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