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79 results about "Flag field" patented technology

In computer programming, a flag field is an integer interpreted as a sequence of boolean bits, each called a "flag". Flags are typically found as members of a defined data structure, such as a database record, and the meaning of the value contained in a flag will generally be defined in relation to the data structure it is part of. In many cases, the binary value of a flag will be understood to represent one of several possible states or statuses. In other cases, the binary values may represent one or more attributes in a bit field, often related to abilities or permissions, such as "can be written to" or "can be deleted". However, there are many other possible meanings that can be assigned to flag values. One common use of flags is to mark or designate data structures for future processing. Within microprocessors and other logic devices, flags are commonly used to control or indicate the intermediate or final state or outcome of different operations. Microprocessors typically have, for example, a status register that is composed of such flags, and the flags are used to indicate various post-operation conditions, such as when there has been an arithmetic overflow.

TCP/IP header compression format and method over wireless network

The present invention provides a TCP / IP header compression format as a label in package transmitting. The header format is used under the acknowledgement mode in wireless network to reduce the header transmission amount between the base station and the mobile station, comprising: a connecting sequence number field for storing a connecting sequence number to indicate the required TCP / IP header information related base stations; a buffer length field for storing a length value of the buffer region to indicate the acceptable package number of the buffer region in receiver; and a plurality of control flag fields for providing certain necessary information for transmission control.
Owner:QUISDA CORP

Safety production comprehensive supervisory platform data transmission method

The invention discloses a safety production comprehensive supervisory platform data transmission method which is used for achieving data transmission between a client side and a central server, namely a server side. The method comprises the following steps that the client side reads a configuration file, safety production comprehensive data are analyzed, after a client side position flag field value is obtained or updated according to a position flag field value fed back by the server side, the analyzed data generate text message data and the text message data are encrypted, and then the text message data are sent to the server side through Socket communication; after the server side receives the data, the data content is analyzed to be in a target data format to be judged whether it meets writing in conditions, the position flag field value which is not written in is returned to the client side, or after the data are written in, the position flag field value which is successfully processed is returned to the client side, and meanwhile the position flag field value is stored and the server side position flag field value is updated. The method supports calling of various mainstream databases, various text protocols and data interfaces which are popular currently, and can cross platforms and carry out distributed deployment.
Owner:SICHUAN SENSINGNET HEALE SECURITY TECH LTD

Mac flush optimizations for ethernet rings

Techniques are identified for optimizing the MAC flush in Ethernet rings for faster traffic restoration. In one embodiment, flushing of MAC addresses is performed only once on receiving a first control message. For example, when a first control message is received, a network device may switch from a first state to a second state, which may indicate that the MAC addresses are not to be flushed if additional control messages are received. In another embodiment, flushing of MAC addresses is performed on one ring port rather than on both ring ports. For example, a flag field of a control message header may be used to determine on which port to flush. In another embodiment, flushing of MAC addresses is performed on only one ring port of an interconnection node. For example, the ring port can be determined using a flag field and possibly labels associated with the ring ports.
Owner:AVAGO TECH INT SALES PTE LTD

A method for dynamic update of flow control transmission protocol address list

The utility model discloses a method for the dynamic update of the address list of the stream control transport protocol, comprising the following steps: after a stream control transmission coupling is built, the end in which an IP address list changes is as a sender; the sender calls heart-beat detection primitive; the IP address list information needed to update is arranged in the parameter of the heart-beat detection primitive; the IP address list information comprises an updating address number, an updating mode and an IP address needed to update; the heart-beat detection information is built by the sender, and a flag field is arranged by the sender to indicate whether the receiver need to update the IP address list received from the sender; the change of the IP address is written in the information field of the heart-beat detection information by the sender, and the information field is sent to the receiver; the maintained IP address list needed to update is judged by the receiver according to the flag field of the heart-beat detection information, and the maintained IP address list is updated by the receiver according to the information field. In this way, the dynamic modification of the IP address list in both ends of the coupling is feasible without disconnecting the coupling.
Owner:ZTE CORP

System and method for realizing parallel upgrade of multiple terminals in same IP (Internet Protocol) local area network

The invention provides a system and a method for realizing parallel upgrade of multiple terminals in the same IP (Internet Protocol) local area network. The method comprises the following steps of configuring a mapping relation table containing IP characteristics positioned at non-address flag fields in an IP message and a physical port index on a mapping equipment side at the end of a PC (Personal Computer) and transmitting the mapping relation table to the mapping equipment; meanwhile, transmitting a plurality of IP upgrade packets corresponding to different terminals to be upgraded to the mapping equipment by the PC, wherein each IP upgrade packet contains the IP characteristic mapped to the corresponding physical port on the mapping equipment side; thoroughly transmitting through each IP upgrade packet to the corresponding terminal to be upgraded through the corresponding physical port according to the mapping relation table by the mapping equipment; and upgrading the terminal to be upgraded according to the IP upgrade packet. According to the embodiment of the invention, network terminals with the same IP / MAC (Internet Protocol / Media Access Control) are distinguished and accessed by using the non-address flag fields in the IP message and no modification is carried out on the IP message, so that the processing efficiency is increased; and the part using the IP address in an application layer message does not need to be processed, so that the problem of compatibility is solved.
Owner:SHENZHEN GONGJIN ELECTRONICS CO LTD

Efficient access to variable-length data on a sequential access storage medium

A system, a method and a program product provide access to variable-length data segments on a sequential access storage medium using an iterative search for a specified data offset based on estimates of media offsets. The data is recorded in variable-length data segments aligned to predetermined alignment intervals. Each data segment has a predetermined signature field to identify the header of each data segment. Session data recorded on the medium so as to prevent session data that matches the signature field from being aligned with the predetermined alignment interval. Approximate or default parameters for data segment size are used for each estimate and are updated with each iteration based on actual data derived from data segment headers on the medium.
Owner:MICROSOFT TECH LICENSING LLC

Method and device achieving multi-user shaping based on FP frame extension field

The invention relates to a method achieving multi-user shaping based on an FP frame extension field. The method achieving the multi-user shaping based on the FP frame extension field comprises the steps that a New IE Flags field is extended, and the number of users is identified by part of bits of the field; according to the number, identified by the field, of the users, user azimuth angles or Cell Portion LCR ID with the number corresponding to the number of the users behind a New IE Flags field is loaded; based on the azimuth angles or the Cell Portion LCR ID, the data of multiple users are loaded through a transmission block. According to the method achieving the multi-user shaping based on the FP frame extension field, multi-user shaping in one TTI is achieved, FACH channel utilization rate is improved, and network capacity is enlarged.
Owner:DATANG MOBILE COMM EQUIP CO LTD
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