JPH01209839A - Priority control system - Google Patents
Priority control systemInfo
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- JPH01209839A JPH01209839A JP63034343A JP3434388A JPH01209839A JP H01209839 A JPH01209839 A JP H01209839A JP 63034343 A JP63034343 A JP 63034343A JP 3434388 A JP3434388 A JP 3434388A JP H01209839 A JPH01209839 A JP H01209839A
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Abstract
Description
【発明の詳細な説明】
（４既嚢〕
複数の信号を、優先度順、且つ先着順に処理する信号処
理システムにおける優先度制御方式の改良に関し、
信号処理システムが過負荷状態となった場合に、低優先
度の信号も全く信号処理され無くなることを防止するこ
とを目的とし、
各優先度毎に保証処理■を定め、且つ保証処理量の総和
が信号処理°システムの総信号処理能力を上回らぬ如く
定め、信号処理システム内に、各保証処理量を設定する
保証処理量設定手段と、各信号を、各優先度毎の信号処
理量が保証処理量設定手段に設定される保証処理量を上
限として、優先度順、且つ先着順に処理する第一の信号
処理手段と、第一の信号処理手段が信号を処理した後、
信号処理システムの総信号処理能力に余力がある場合に
、各信号を優先度順、且つ先着順に処理する第二の信号
処理手段とを設ける様に構成する。[Detailed Description of the Invention] (4) Regarding the improvement of a priority control method in a signal processing system that processes multiple signals in order of priority and on a first-come, first-served basis, when the signal processing system is overloaded. , with the aim of preventing low-priority signals from not being processed at all, we define guaranteed processing for each priority and ensure that the total amount of guaranteed processing exceeds the total signal processing capacity of the signal processing system. The signal processing system includes a guaranteed processing amount setting means for setting each guaranteed processing amount, and a guaranteed processing amount setting means for setting each signal processing amount for each priority. As an upper limit, the first signal processing means processes the signal in order of priority and on a first-come, first-served basis, and after the first signal processing means processes the signal,
When there is surplus in the total signal processing capacity of the signal processing system, a second signal processing means is provided for processing each signal in order of priority and on a first-come, first-served basis.
本発明は信号処理システムに係り、特に複数の信号を、
優先度順、且つ先着順に処理する信号処理システムにお
ける優先度制御方式の改良に関する。The present invention relates to a signal processing system, and in particular, to a signal processing system that processes a plurality of signals.
The present invention relates to an improvement of a priority control method in a signal processing system that performs processing in order of priority and on a first-come, first-served basis.
例えば共通線信号処理システムにおいては、同一共通線
信号網に対し、各種あ優先度を有する信号、例えば最高
優先度を有する網管理信号、第二優先度を有する設定済
み呼の制御用信号、第三優先度を有する新たな呼の設定
用信号、最低優先度を有するデータ伝送用信号が、それ
ぞれ優先度順、且つ先着順に処理される。For example, in a common channel signal processing system, signals with various priorities are sent to the same common channel signal network, such as a network management signal with the highest priority, a set call control signal with the second priority, and a signal with a different priority. A new call setting signal having three priorities and a data transmission signal having the lowest priority are processed in priority order and on a first-come, first-served basis.
この種の信号処理システムにおいて、高優先度を有する
信号が増大した場合に、低優先度を有する（７号の処理
が全く途絶することが無い様な配慮が必要となる。In this type of signal processing system, consideration must be given to ensure that when the number of high-priority signals increases, the processing of low-priority signals (No. 7) will not be interrupted at all.
第６図は本発明の対象となる信号処理システムを示す図
であり、第７図は従来ある送信処理過程を例示する図で
あり、第８図は従来ある信号送信状況を例示する図であ
る。FIG. 6 is a diagram showing a signal processing system to which the present invention is applied, FIG. 7 is a diagram illustrating a conventional transmission processing process, and FIG. 8 is a diagram illustrating a conventional signal transmission situation. .
第６図においては、信号処理システムの一例として共通
線信号処理システムｌＯが示されている。In FIG. 6, a common line signal processing system IO is shown as an example of a signal processing system.
第６図および第７図において、共通線信号処理システム
１０に対し、共通信号線４への送信を待機する信号Ｓは
、四種類の優先度、即ち最高優先度ｒ）１、第二優先度
Ｐ ｚ ％第三優先度Ｐ、および最低優先度Ｐ０の何れ
かを有し、優先度毎に設けられた送信待行列１−３乃至
ｌ−０に先着順に配列して送信処理部２による送信処理
を待つ。In FIGS. 6 and 7, signals S waiting to be transmitted to the common signal line 4 for the common line signal processing system 10 have four types of priorities: the highest priority r) 1, the second priority P z % Has either the third priority P or the lowest priority P0, and is arranged in the transmission queues 1-3 to 1-0 provided for each priority on a first-come, first-served basis, and is transmitted by the transmission processing unit 2. Wait for processing.
以後優先度Ｐ五 （但しｉは３乃至０を示す、以後同様
）を有する信号をＳ盈と称する。Hereinafter, a signal having a priority level P5 (where i indicates 3 to 0, the same applies hereinafter) will be referred to as a signal S.
送信処理部２は、予め定められた周期（以後ｉｐ−位処
理周期Ｔと称する）毎に起動して送信待行列１−３乃至
１−０を参照し、送信待ちの信号Ｓが存在するか否かを
監視しく第７図ステップ＃１）、送信待ちの信号Ｓが存
在すれば共通信号１４の信号送信能力に余裕があり、信
号を送信可能か否かを検査しくステップ＃２）、 送信
可能であれば、最高優先度Ｐ、から輩低優先度Ｐ、の順
に、全優先度Ｐムに対し、ステップ＃３乃至＃６の処理
を繰返す。The transmission processing unit 2 is activated at every predetermined period (hereinafter referred to as IP-order processing period T), refers to the transmission queues 1-3 to 1-0, and determines whether there is a signal S waiting for transmission. If there is a signal S waiting to be transmitted, check whether the signal transmission capacity of the common signal 14 is sufficient and the signal can be transmitted.Step #2): Send If possible, steps #3 to #6 are repeated for all priorities P in the order of highest priority P, lowest priority P, and so on.
即ち、最初に優先度Ｐ、に関する送信待行列１−３を参
照し、送信待ちの信号Ｓ３が存在するか否かを分析し、
存在すれば、送信待行列１−３の先頭に待機中の信号Ｓ
、を抽出し、共通線信号装置３を介して共通信号線４に
送信した後、再びステップ＃１以降を繰返す。That is, first, referring to the transmission queue 1-3 regarding priority P, it is analyzed whether or not there is a signal S3 waiting for transmission,
If it exists, the waiting signal S is placed at the head of the transmission queue 1-3.
, is extracted and transmitted to the common signal line 4 via the common line signal device 3, and then steps #1 and subsequent steps are repeated again.
′以上により送信待行列１−３に配列中の総ての信号Ｓ
、が先着順に送信され、ステップ＃３において送信待行
列１−３に送信待ちの信号Ｓ、が存在しないと判定され
ると、次の優先度（即ち第二優先度Ｐ２）の有無を確認
の上（ステップ＃５）、再びステップ＃３以降の過程を
繰返す。'As a result of the above, all signals S arranged in transmission queues 1-3
, is transmitted on a first-come, first-served basis, and if it is determined in step #3 that there is no signal S waiting to be transmitted in the transmission queue 1-3, a check is made to check for the presence of the next priority (i.e. second priority P2). Above (step #5), repeat the process from step #3 onwards.
以下同様にして、共通信号線４が信号Ｓムを送信可能で
ある限り、送信処理部２は送信待行列１−３乃至１−０
に待機中の信号Ｓムを、優先度Ｐ１順、且つ先着順に送
信処理する。Similarly, as long as the common signal line 4 is capable of transmitting the signal S, the transmission processing section 2 sends the transmission queues 1-3 to 1-0
Waiting signals S are transmitted in order of priority P1 and on a first-come, first-served basis.
次に第８図（ａ）において、共通信号線４の信号送信能
力が、単位処理周期Ｔ毎に三個の信号Ｓを送信可能とし
、共通線信号装置３が最初の単位処理周期Ｔ１を開始す
る迄に、各送信待行列１−３に一個の信号Ｓｘ、送信待
行列１−２に三個、送信待行列１−１に二個、送信待行
列１−Ｏに三個、合計九個の信号Ｓ！がそれぞれ配列さ
れ、共通信号線４への送信を待機中とする。（なお各信
号Ｓ１に示される■乃至■は、全信号Ｓの中での先着順
を示す。）
かかる状態で、送信処理部２が前述の過程により、最初
の単位処理周期Ｔ、に送信待行列１−３に配列中の信号
Ｓ、■と、送（Ｊ待行列１−２に待機中の信号ｓｇ■お
よび■とを送信処理し、その間に新たな信号Ｓｉが到着
しなかった場合には、次の単位処理周期Ｔ２に送信待行
列１−２に待機中の信号Ｓ２■と、送信待行列１−１に
待機中の信号Ｓ、■およびＯとを送信処理し、その間に
新たな信号Ｓ、が到着しなかった場合には、次の単位処
理周期Ｔ３に送信待行列１−２に待機中の信号Ｓ０■、
■および■とを送信処理し、送信を待合わせ中の九個の
信号Ｓを総て送信終了する。Next, in FIG. 8(a), the signal transmission capability of the common signal line 4 makes it possible to transmit three signals S per unit processing period T, and the common line signal device 3 starts the first unit processing period T1. Until then, there is one signal Sx in each send queue 1-3, three signals in send queue 1-2, two signals in send queue 1-1, and three signals in send queue 1-O, for a total of nine signals. Signal S! are arranged and are waiting for transmission to the common signal line 4. (Note that ■ to ■ shown in each signal S1 indicate the first-come-first-served basis among all the signals S.) In this state, the transmission processing section 2 performs the transmission wait in the first unit processing period T by the above-mentioned process. When the signals S and ■ in queue 1-3 and the signals sg and ■ waiting in queue 1-2 are sent, and no new signal Si arrives during that time, transmits the signal S2■ waiting in the transmission queue 1-2 and the signals S, ■, and O waiting in the transmission queue 1-1 in the next unit processing period T2, and in the meantime transmits the new signal. If the signal S, does not arrive, the signal S0■, waiting in the transmission queue 1-2 in the next unit processing cycle T3,
Transmission processing is performed on (1) and (2), and the transmission of all nine signals S awaiting transmission is completed.
次に第８図（ｂ）において、単位処理周期Ｔ＋以前に第
８図（δ）と同じ状態で九個の信号Ｓが送信待行列１−
３乃至１−０に待機した状態で、送信処理部２が単位処
理周期Ｔ、に信号Ｓ、■、Ｓ！■およびＳ２■の送信処
理を実行中に、四個の新たな信号Ｓ３［相］、Ｓ２■、
ＳＩ＠およびＳ００が各送信待行列１−３乃至１−０に
配列されると、次の単位処理周期Ｔ２に送信処理部２は
、送信待行列１−３に新たに待機した信号Ｓ、［相］を
先ず送信処理し、続いて送信待行列１−２に待機中の信
号Ｓ２■と、新たに待機した信号ｓｚＱとを送信処理す
る。Next, in FIG. 8(b), nine signals S are placed in the transmission queue 1- in the same state as FIG. 8(δ) before the unit processing period T+.
3 to 1-0, the transmission processing unit 2 sends signals S, ■, S! in a unit processing period T. While executing the transmission process of ■ and S2■, four new signals S3 [phase], S2■,
When SI@ and S00 are arranged in each transmission queue 1-3 to 1-0, in the next unit processing period T2, the transmission processing unit 2 sends signals S, [ phase] is first transmitted, and then the signal S2■ waiting in the transmission queue 1-2 and the newly waiting signal szQ are transmitted.
以下同様にして、ｊμ位処理周期Ｔ２巾に四個の新タナ
信号Ｓ、［相］、Ｓ、［相］、Ｓ＋＠および５ｅ４Ｄが
各送信待行列１−３乃至１−０に待機すると、次の単位
処理周期Ｔ３には信号Ｓ３０、Ｓ２■およびＳ２■が送
信処理され、その間に更に新たな信号３１ ＠、 ｓ、
ｔ ＠、Ｓ＋’８およびＳｏ ＠カ送＋に待行列１−３
乃至１−０に待機すると、次の単位処理局Ｍ’ｒ４には
ｆａ号Ｓ、［相］、Ｓｖ＠ｈよびＳ：■が送信処理され
こととなり、送信待行列１−０に待機中の信号Ｓ０■、
Ｓ０■１．Ｓ０■、ｓ、［相］、３０＠、ＳＯ［相］等
は、何時迄も送信処理されぬこととなる。Similarly, when four new Tana signals S, [phase], S, [phase], S+@, and 5e4D are waiting in each transmission queue 1-3 to 1-0 in the processing period T2 width of about jμ, In the next unit processing period T3, signals S30, S2■, and S2■ are transmitted, and during that time new signals 31 @, s,
Queues 1-3 for t@, S+'8 and So@Kashu+
When waiting from 1-0 to 1-0, fa number S, [phase], Sv@h and S:■ will be transmitted to the next unit processing station M'r4, and the queues waiting in transmission queue 1-0 will be processed. Signal S0■,
S0■1. S0■, s, [phase], 30@, SO[phase], etc. will not be transmitted until any time.
以上の説明から明らかな如く、従来ある優先度制御方式
においては、共通信号線４の信号送信能力を上回る信号
Ｓが送信待行列１−３乃至１−０に順次待機すると、高
優先度の信号８３等が継続して送信処理され、低優先度
の信号ｓ０が何時迄も送信処理されずに滞留することと
なり、システムによっては、許容時間の超過、或いは無
効保留と誤判定されて廃棄される等の恐れがあった。As is clear from the above explanation, in a conventional priority control system, when signals S exceeding the signal transmission capacity of the common signal line 4 are queued in the transmission queues 1-3 to 1-0 in sequence, high-priority signals 83 etc. will continue to be transmitted and processed, and the low priority signal s0 will remain for a long time without being transmitted, and depending on the system, it will be erroneously determined that the permissible time has exceeded or is invalid and pending and will be discarded. There was a fear that
本発明は、信号処理システムが過負荷状態となった場合
に、低優先度の信号も全く信号処理され無くなることを
防止することを目的とする。An object of the present invention is to prevent low-priority signals from not being processed at all when a signal processing system becomes overloaded.
第１図は本発明の原理を示す図である。 FIG. 1 is a diagram showing the principle of the present invention.
第１図において、Ｓｉは信号処理システムにより優先度
順、且つ先着順に処理される信号、ｐ。In FIG. 1, Si is a signal processed by the signal processing system in order of priority and on a first-come, first-served basis; p;
は各信号Ｓｔが有する優先度である。is the priority that each signal St has.
１００は、本発明により信号処理システムに設けられた
保証処理量設定手段である。100 is guaranteed processing amount setting means provided in the signal processing system according to the present invention.
２００は、本発明により信号処理システムに設けられた
第一の信号処理手段である。200 is a first signal processing means provided in the signal processing system according to the present invention.
３００は、本発明により信号処理システムに設けられた
第二の信号処理手段である。300 is a second signal processing means provided in the signal processing system according to the present invention.
各優先度Ｐ、毎に保証処理量 Ｖ ＋を定め、且つ保証
処理量ｖｉの総和が信号処理システムの総信号処理能力
を上回らぬ如く定める。A guaranteed processing amount V + is determined for each priority P, and is determined so that the sum of the guaranteed processing amounts vi does not exceed the total signal processing capacity of the signal processing system.
保証処理量設定手段１００は、各保証処理′ｆｆ１Ｖを
設定する。The guaranteed processing amount setting means 100 sets each guaranteed processing 'ff1V.
第一の信号処理手段２００は、各信号Ｓ、を、各優先度
Ｐ、毎の信号処理量が保証処理量設定手段！００に設定
される保証処理ｆｆ１ｖ＋を上限として、優先度Ｐ、順
、且つ先着順に処理する。The first signal processing means 200 is a guaranteed processing amount setting means for each signal S and each priority P. The guarantee processing ff1v+ set to 00 is set as the upper limit, and processing is performed in order of priority P and on a first-come, first-served basis.
第二のＩ８号処理手段３００は、第一の信号処理手段２
００が信号Ｓ、を処理した後、信号処理システムの総信
号処理能力に余力がある場合に、各信号Ｓ、を優先度Ｐ
、順、且つ先着順に処理する。The second I8 processing means 300 is the first signal processing means 2
After 00 processes the signal S, each signal S is given priority P if there is surplus in the total signal processing capacity of the signal processing system.
, and on a first-come, first-served basis.
従って、信号処理システムが総ての優先度を有する信号
に対し、それぞれ保証処理澄以内の信号処理を保証する
こととなり、高優先度の信号が過負荷となった場合にも
、低優先度の信号の処理が途絶する恐れは無くなる。Therefore, the signal processing system guarantees signal processing within the guaranteed processing limit for all priority signals, and even if a high priority signal becomes overloaded, a low priority signal will be processed. There is no longer any fear that signal processing will be disrupted.
以下、本発明の一実施例を図面により説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第２図は本発明の一実施例による送信処理部を示す図で
あり、第３図は本発明の一実施例による送信処理過程を
示す図であり、第４図は本発明の一実施例による保証処
理量を示す図であり、第５図は本発明の一実施例による
信号送信状況を示す図である。なお、企図を通じて同一
符号は同一対象物を示す。また対象とする信号処理シス
テムは、第６図に示される共通線信号処理システムとす
る。FIG. 2 is a diagram showing a transmission processing unit according to an embodiment of the invention, FIG. 3 is a diagram showing a transmission processing process according to an embodiment of the invention, and FIG. 4 is a diagram showing an embodiment of the invention. FIG. 5 is a diagram showing a guaranteed processing amount according to an embodiment of the present invention. FIG. Note that the same reference numerals refer to the same objects throughout the plan. Furthermore, the target signal processing system is the common line signal processing system shown in FIG.
第２図においては、第１図における保証処理■設定手段
１００として保証信号数レジスタ２１−３乃至２１−０
が、また第１図における第一の信号処理手段２００とし
て、第３図におけるステップ＃２１乃至＃２６を実行す
る第一送信処理部２５が、更に第１図における第との信
号処理手段３００として、第３図におけるステップ＃３
１乃至＃３６を実行する第二送信処理部２６が、それぞ
れ送信処理部２内に設けられている。In FIG. 2, the guarantee processing in FIG.
However, as the first signal processing means 200 in FIG. 1, the first transmission processing section 25 that executes steps #21 to #26 in FIG. 3 further acts as the second signal processing means 300 in FIG. , step #3 in Fig. 3
Second transmission processing units 26 that execute steps #1 to #36 are provided within the transmission processing unit 2, respectively.
また第１図における保証処理ｆｆｉ Ｖ ｉを定める為
に、第６図に示される共通線信号処理システム１０の信
号処理能力を、共通信号線４の所定時間内における許容
信号送信量とする。Furthermore, in order to determine the guaranteed processing ffiV i in FIG. 1, the signal processing capacity of the common line signal processing system 10 shown in FIG.
次に各優先度Ｐ、に対する保証処理ｍ Ｖ ｓを定める
為に、共通信号線４の許容信号送信量を各優先度Ｐ！に
対し、第４図に示す信号送信量分配圧率に基づき、それ
ぞれ優先度Ｐ３に４５％、優先度Ｐｚに３５％、優先度
Ｐ、およびＰ、にそれぞれ１０％と配分する。Next, in order to determine the guarantee processing m V s for each priority P, the allowable signal transmission amount of the common signal line 4 is determined for each priority P! On the other hand, based on the signal transmission amount distribution pressure ratio shown in FIG. 4, 45% is allocated to priority P3, 35% to priority Pz, and 10% to each of priorities P and P.
次に各優先度Ｐム毎の信号の保留時間を考慮して、信号
■を正規化した信号数に変換し、第４図に示す信号送信
数分配比率に基づき、それぞれ優先度Ｐ３に４５％、優
先度Ｐ２に４０％、優先度Ｐ、に１θ％、Ｐｏに５％と
配分し、保証信号数Ｗｉｉ先度Ｐｉの保証信号数Ｗｉと
定める。Next, considering the hold time of the signal for each priority level P, the signal ■ is converted to the normalized number of signals, and based on the signal transmission number distribution ratio shown in Figure 4, 45% is assigned to each priority level P3. , 40% to priority P2, 1θ% to priority P, and 5% to Po, and the guaranteed signal number Wii is determined as the guaranteed signal number Wi for the priority Pi.
今、共通信号線４の通信速度を毎秒４８００ビツトとし
、１０秒間における共通信号線４の許容信号送信数Ｗｔ
を２００とすると、優先度Ｐｏ乃至Ｐ６に対する保証信
号数Ｗ、乃至Ｗ（１は第４図に示す如く、それぞれ９０
．８０．２０および１０となり、また共通信号線４の通
信速度を毎秒４８キロビツトとし、１秒間における共通
信号線４の許容信号送信数Ｗ、を１８０とすると、優先
度Ｐｏ乃至Ｐ０に対する保証信号数Ｗ、乃至Ｗ０は第４
図に示す如く、それぞれ８１．７２．１８および９とな
る。Now, assuming that the communication speed of the common signal line 4 is 4800 bits per second, the allowable number of signal transmissions Wt of the common signal line 4 in 10 seconds
Assuming that 200, the number of guaranteed signals W to W for the priorities Po to P6 (1 is 90 for each as shown in FIG.
．． 80.20 and 10, and assuming that the communication speed of the common signal line 4 is 48 kilobits per second, and the allowable number of signal transmissions W of the common signal line 4 per second is 180, the guaranteed number of signals W for priorities Po to P0 is , to W0 is the fourth
As shown in the figure, they are 81.72.18 and 9, respectively.
なお今後は、共通信号線４の通信速度を毎秒４８００ビ
ツトとして説明する。In the following description, the communication speed of the common signal line 4 will be assumed to be 4800 bits per second.
第２図乃至第６図において、送信処理部２内の保証信号
数レジスタ２１−３乃至２１−０には、名優先度Ｐｏ乃
至Ｐ０に対応して定められている保証信号数Ｗａ（−９
０／１０秒）、Ｗｚ（＝８０／１０秒）、Ｗ＋ （＝
２０／１０秒）およびＷ。（＝１０／１０秒）が設定さ
れており、また許容信号送信数レジスタ２２には、共通
信号線４の許容信号送信数Ｗｔ （＝２００／１０秒
）が設定されている。In FIGS. 2 to 6, guaranteed signal number registers 21-3 to 21-0 in the transmission processing unit 2 contain guaranteed signal numbers Wa(-9
0/10 seconds), Wz (=80/10 seconds), W+ (=
20/10 seconds) and W. (=10/10 seconds), and the allowable signal transmission number Wt (=200/10 seconds) of the common signal line 4 is set in the allowable signal transmission number register 22.
また送信信号数計数層２３−３乃至２３−０および送信
信号総数計数器２４は、送信処理部２の各単位処理周期
Ｔ内における名優先度Ｐｏ乃至Ｐ。に関する送信信号数
Ｎ、乃至ＮＯ１並びに共通信号線４に対する送信信号総
数Ｎ、（＝ΣＮ直）を、それぞれ計数するが、送信処理
部２が起動される際に初期設定されているものとする。Further, the transmission signal number counting layers 23-3 to 23-0 and the transmission signal total number counter 24 have priority levels Po to P within each unit processing period T of the transmission processing section 2. The number of transmitted signals N, through NO1, and the total number of transmitted signals N, (=ΣN direct) for the common signal line 4 are respectively counted, but it is assumed that these are initialized when the transmission processing section 2 is activated.
かかる状態で、送信処理部２は所定単位処理周期Ｔ（例
えば１０秒）毎に起動されて送信待行列１−３乃至１−
０を参照し、送信待ちの信号Ｓが存在するか否かを監視
しく第３図ステップ＃１１）、送信待ちのに号Ｓが存在
すれば、許容信号送信数レジスタ２２に設定されている
許容信号送信数Ｗｔと、送信信号総数計数器２４が計数
する送信信号総数Ｎ７とを比較しくステップ＃１２）、
条件Ｗ？〉ＮＹが成立すれば、共通信号線４の信号送信
能力に余裕があり、信号を送信可能と判定し、第一送信
処理部２５を起動する。In this state, the transmission processing unit 2 is activated every predetermined unit processing period T (for example, 10 seconds) and processes the transmission queues 1-3 to 1-.
0, and monitor whether there is a signal S waiting to be sent (step #11 in FIG. 3). Compare the number of transmitted signals Wt with the total number of transmitted signals N7 counted by the total number of transmitted signals counter 24 (step #12),
Condition W? >NY, it is determined that the common signal line 4 has sufficient signal transmission capability and can transmit a signal, and the first transmission processing unit 25 is activated.
起動された第一送信処理部２５は、最高優先度Ｐ、から
最低優先度Ｐ０の順に、全優先度Ｐ！に対し、ステップ
＃２１乃至＃２６の処理を繰返す。The activated first transmission processing unit 25 transmits all priorities P! in order from the highest priority P to the lowest priority P0. Then, the processes of steps #21 to #26 are repeated.
即ち、最初に優先度Ｐ、に関する送信待行列１−３を参
照し、送信待ちの信号Ｓ、が存在するが否かを分析しく
ステップ＃２１）、存在すれば、更に保証信号数レジス
タ２１−３に設定されている保証信号数Ｗ、と、送信信
号数計数品２３−３が計数する送信信号数Ｎ、とを比較
しくステップ＃２２）、条件Ｗ、＞Ｎ、が成立すれば、
送信待行列１−３の先頭に待機中の信号Ｓ、を抽出し、
共通線信号装置３を介して共通信号線４に送信しくステ
ップ＃２３）、送信信号数計数品２３−３および送信信
号総数計数器２４をそれぞれ一歩進させて送信信号数Ｎ
、および送信信号総数ＮＹを更新した後（ステップ＃２
４および＃２５）、再びステップ＃】１以降を繰返す。That is, first, the transmission queue 1-3 related to the priority P is referred to, and it is analyzed whether or not there is a signal S waiting to be transmitted (step #21). If there is, the guaranteed signal number register 21- In step #22), if the condition W,>N is satisfied,
Extract the signal S, which is waiting at the head of the transmission queue 1-3,
In step #23), when transmitting signals to the common signal line 4 via the common line signal device 3, the transmit signal number counting device 23-3 and the transmit signal total number counter 24 are each advanced one step to determine the number of transmitted signals N.
, and after updating the total number of transmitted signals NY (step #2
4 and #25), repeat steps #1 and after again.
以上により送信待行列１−３に待機中の信号Ｓ３が先着
順に送信され、送信待行列１−３に待機中の信号Ｓ３の
総数が保証信号数Ｗ、に達していない状態で、信号Ｓ３
が総て送信済みとなり、ステップ＃２１において送信待
行列１−３に送信待らの信号Ｓ３が存在しないと判定さ
れるか、或いは送信待行列１−３に待機中の信号Ｓ、の
総数が保証信号数Ｗ、を上回った状態で、信号Ｓ３の送
信信号数Ｎ３が保証信号数Ｗ、に達し、ステップ＃２２
において条件Ｗ ｓ ＞ Ｎ ｓが成立しないと判定さ
れる場合には、第一送信処理部２５は、次の優先度（即
ち第二優先度Ｐｇ）の有無を確認の上（ステップ＃２６
）、再びステップ＃２１以降の過程を繰返す。As described above, the signals S3 waiting in the transmission queue 1-3 are transmitted on a first-come, first-served basis, and when the total number of signals S3 waiting in the transmission queue 1-3 has not reached the guaranteed signal number W, the signal S3
have all been transmitted, and it is determined in step #21 that there is no signal S3 waiting to be transmitted in the transmission queue 1-3, or the total number of signals S3 waiting to be transmitted in the transmission queue 1-3 is In a state where the number of transmitted signals N3 of the signal S3 exceeds the guaranteed number of signals W, the number of transmitted signals N3 reaches the guaranteed number of signals W, and step #22
If it is determined that the condition W s > N s does not hold, the first transmission processing unit 25 checks the presence or absence of the next priority (that is, the second priority Pg) (step #26).
), repeat the process from step #21 onwards.
以下同様にして、共通信号線４の信号送信能力に余力が
存在する限り、第一送信処理部２５は各送信待行列１−
３乃至１−０に待機中の信号Ｓｉを、各優先度Ｐｉの送
信信号数Ｎ、が保証信号数Ｗｉを上回らぬ範囲で、優先
度ｐ、順、且つ先着順に送信処理する。Similarly, as long as there is surplus signal transmission capacity on the common signal line 4, the first transmission processing unit 25 processes each transmission queue 1-
The signals Si on standby from 3 to 1-0 are transmitted in order of priority p and on a first-come, first-served basis, within the range in which the number of transmission signals N for each priority Pi does not exceed the guaranteed number of signals Wi.
第一送信処理部２５が最低優先度Ｐ０に関するステップ
＃２１乃至＃２６の送信処理を完了する区、送信処理部
２は再びステップ＃１１を実行した結果、送信待ち信号
Ｓが送信待行列１−ｉに存在し、続いてステップ＃１２
を実行した結果、条件Ｗｔ＞Ｎｒが成立して、共通信号
線４の信号送信、能力に余裕があり、信号を送信可能と
判定した場合には、第二送信処理部２６を起動する。When the first transmission processing section 25 completes the transmission processing of steps #21 to #26 regarding the lowest priority P0, the transmission processing section 2 executes step #11 again, and as a result, the transmission waiting signal S is in the transmission queue 1-- i, then step #12
As a result of executing the above, if the condition Wt>Nr is satisfied and it is determined that there is sufficient signal transmission capacity of the common signal line 4 and that the signal can be transmitted, the second transmission processing section 26 is activated.
起動された第二送信処理部２６は、最高優先度Ｐ、から
最低優先度Ｐ、の順に、全優先度Ｐ、に対し、ステップ
性３１乃至＃３６の処理を繰返す。The activated second transmission processing unit 26 repeats the steps 31 to #36 for all priorities P in the order of highest priority P to lowest priority P.
即ち、最初に優先度Ｐ、に関する送信待行列１−３を参
照し、送信待らの信号Ｓ、が存在するか否かを分析しく
ステップ＃３１）、存在すれば、送信待行列１−３の先
頭に待機中の信号Ｓ、を抽出し、共通線信号装置３を介
して共通信号線４に送信しくステップ＃３２）、送信信
号数計数品２３−３および送信信号総数計数器２４をそ
れぞれ一歩進させて送信信号数Ｎ！および送信信号総数
Ｎ、を更新した後（ステップ＃３３および＃３４）、再
びステップ＃１１、＃１２およびステップ＃３１以降を
繰返す。That is, first, refer to the transmission queue 1-3 related to priority P, and analyze whether or not there is a signal S waiting to be transmitted (step #31). If there is, the transmission queue 1-3 is The waiting signal S is extracted from the beginning of the signal S, and transmitted to the common signal line 4 via the common line signal device 3. Step #32), the transmitted signal number counter 23-3 and the transmitted signal total number counter 24 are respectively One step forward and the number of transmitted signals is N! and the total number of transmitted signals N (steps #33 and #34), steps #11, #12 and steps #31 and subsequent steps are repeated again.
以上により送信待行列１−３に待機中の信号Ｓ３が先着
順に送信され、送信待行列１−３に待機中の信号Ｓ３が
総て送信済みとなり、ステップ＃３１において送信待行
列１−３灸こ送信待ちの信号Ｓ３が存在しないと判定さ
れる場合には、第二送信処理部２６は、次の優先度（即
ち第二優先度Ｐ２）の存在を確認の上（ステップ＃３５
）、再びステップ＃３１以降の過程を繰返す。As a result of the above, the signals S3 waiting in the transmission queue 1-3 are transmitted on a first-come, first-served basis, and all the signals S3 waiting in the transmission queue 1-3 have been transmitted, and in step #31, the signals S3 waiting in the transmission queue 1-3 are transmitted If it is determined that this transmission waiting signal S3 does not exist, the second transmission processing unit 26 checks the existence of the next priority (i.e., the second priority P2) (step #35).
), repeat the process from step #31 onwards.
以下同様にして、共通信号線４の信号送信能力に余力が
存在する限り、第二送信処理部２６は各送イδ待行列１
−３乃至１−０に待機中の信号Ｓ！を、優先度Ｐ、順、
且つ先着順に送信処理する。Similarly, as long as there is surplus signal transmission capacity of the common signal line 4, the second transmission processing unit 26 processes each transmission line δ queue 1.
-3 to 1-0 waiting signal S! , in order of priority P,
In addition, transmission processing is performed on a first-come, first-served basis.
次に、共通信号線４の通信速度が毎秒４８００ビツトと
し、名優先度Ｐ３乃至ＰＤに関する保証信号数Ｗ、乃至
Ｗ０がそれぞれ９０（以後／１０秒を省略する）、８０
．２０およびＩＯとした場合に、各優先度Ｐｉ毎に送信
待ち状態にある信号数が、それぞれ第５図に示す条件■
乃至条件■の場合を説明する。Next, assume that the communication speed of the common signal line 4 is 4800 bits per second, and the guaranteed signal numbers W to W0 for the priorities P3 to PD are 90 (hereinafter /10 seconds will be omitted) and 80, respectively.
．． 20 and IO, the number of signals waiting for transmission for each priority Pi is the condition shown in Fig. 5.
The cases of conditions (2) to (2) will be explained.
条件Ｉにおいては、送信待行列１−３乃至１−１に待機
中の信号３３ 、ＳｓおよびＳｌの数は何れも保証信号
数Ｗｓ 、ＷｔおよびＷＩ以下である −為、第一送信
処理部２５は各送信待行列１−３乃至１−１に待機中の
信号Ｓ、 、Ｓ、およびｓＩの総数を共通信号ｆ！４に
送信するが、送（δ待行列ｌ−０に配列中の信号Ｓ０の
数は保証信号数Ｗ０を上回る為、第一送信処理部２５は
送信待行列１−０に待機中の２０個の信号Ｓ０の中から
、保証信号数Ｗ、に相当する１０個だけを送信する。そ
の結果、送信信号総数Ｎｔは１１０個となっている。Under condition I, the numbers of signals 33, Ss, and Sl waiting in the transmission queues 1-3 to 1-1 are all less than or equal to the guaranteed signal numbers Ws, Wt, and WI. is the total number of signals S, , S, and sI waiting in each transmission queue 1-3 to 1-1 as a common signal f! However, since the number of signals S0 arranged in the transmission queue l-0 exceeds the guaranteed number of signals W0, the first transmission processing unit 25 transmits the 20 signals waiting in the transmission queue 1-0. Of the signals S0, only 10 corresponding to the guaranteed number of signals W are transmitted.As a result, the total number of transmitted signals Nt is 110.
従って、第一送信処理部２５が１１０個の信号Ｓ＋を送
信終了した段階で、送信処理部２は共通信号線４が未だ
信号Ｓを送信可能と判定して第二送信処理部２６を起動
し、送信待行列１−０に残る１０個の信号Ｓ、を総て送
信する。Therefore, at the stage when the first transmission processing section 25 has finished transmitting 110 signals S+, the transmission processing section 2 determines that the common signal line 4 can still transmit the signal S, and starts the second transmission processing section 26. , all ten signals S remaining in the transmission queue 1-0 are transmitted.
以上により、送信待行列１−３乃至１−０に待機中の合
計１２０個の信号Ｓ、が、総て送信完了する。As a result of the above, a total of 120 signals S waiting in the transmission queues 1-3 to 1-0 are all transmitted.
次に条件■においては、送信待行列１−２および１−１
に待機中の信号Ｓ２ Ｓ、の数は何れも保証信号数Ｗ２
およびＷｌを上回っている為、第一送信処理部２５は各
送信待行列１−２および１−１に配列中の信号Ｓｔ
（１２０個）および５１（４０個）の中から、保証信号
数ｗ、（８０個）およびＷ、（２０）に相当する数だけ
送信する。Next, in condition (2), transmission queues 1-2 and 1-1
The number of signals S2 S, which are waiting for S, is the guaranteed signal number W2.
and Wl, the first transmission processing unit 25 outputs the signal St arranged in each transmission queue 1-2 and 1-1.
(120) and 51 (40), only the number corresponding to the number of guaranteed signals, w, (80) and W, (20) are transmitted.
その結果、送信信号総数Ｎ、は１００個となっている。As a result, the total number of transmitted signals N is 100.
従って、第一送信処理部２５が１００個の信号Ｓ、を送
信終了した段階で、送信処理部２は共通信号線４が未だ
信号Ｓを送信可能と判定し、第二送信処理部２６を起動
し、先ず送信待行列１−２に残る４０個の信号Ｓ、を総
で送信した後、更に共通信号線４が未だ信号Ｓを送信可
能と判定し、送信待行列１−１に残る２０個の信号ＳＩ
を総て送信する。Therefore, at the stage when the first transmission processing section 25 has finished transmitting 100 signals S, the transmission processing section 2 determines that the common signal line 4 can still transmit the signal S, and starts the second transmission processing section 26. First, after transmitting a total of 40 signals S remaining in the transmission queue 1-2, it is determined that the common signal line 4 can still transmit signals S, and the 20 signals S remaining in the transmission queue 1-1 are transmitted. signal SI
Send all.
以上により、送信待行列１−２およびｌ−１に待機中の
合計１６０個の信号Ｓ８が、総て送信完了する。As a result of the above, a total of 160 signals S8 waiting in the transmission queues 1-2 and l-1 are all transmitted.
次に条件■においては、送信待行列１−３に待機中の信
号Ｓ、の数は保証信号数Ｗ、を下回るが、他の送信待行
列１−２乃至ｌ−Ｏに待機中の信号Ｓ２乃至Ｓ０の数は
何れもそれぞれ保証信号数Ｗ２、ＷｌおよびＷ０以上で
ある為、第一送信処理部２５が先ず送信待行列１−３に
待機中の信号Ｓ、の総数（＝８０）と、各送信待行列１
−２乃至ｌ−０に待機中の信号Ｓ２乃至Ｓ０の中から、
それぞれ保証信号数Ｗｇ（−８０ン、Ｗｌ（＝２０）お
よびＷａ（＝１０）だけを共通信号線４に送信し、続い
て第二送信処理部２６が先ず送信待行列１−１に残る２
０個の信号Ｓ２の中から、共通信号線４の送信能力に余
力のある１０個だけを送信する。Next, in condition (3), the number of signals S, waiting in the transmission queue 1-3 is less than the guaranteed signal number W, but the number of signals S, waiting in the other transmission queues 1-2 to 1-O is Since the numbers of S0 to S0 are each greater than or equal to the guaranteed signal numbers W2, Wl, and W0, the first transmission processing unit 25 first calculates the total number (=80) of signals S waiting in the transmission queue 1-3, and Each send queue 1
-2 to l-0 from among the waiting signals S2 to S0,
Only the guaranteed signal numbers Wg (-80), Wl (=20) and Wa (=10) are transmitted to the common signal line 4, and then the second transmission processing unit 26 first transmits the two remaining in the transmission queue 1-1.
Out of the 0 signals S2, only 10 signals with surplus transmission capacity of the common signal line 4 are transmitted.
以上により、優先度Ｐ３を有する信号Ｓ３の総数（８０
個）と、優先度Ｐ２を有する信号Ｓ２（総数１００個）
の内の９０個と、優先度ＰＬを有する信号Ｓ、（総数３
０）の内の２０個と、優先度Ｐ０を有する信号Ｓ０の総
数（１０個）とが送信される。As a result of the above, the total number of signals S3 having priority P3 (80
) and a signal S2 with priority P2 (total number of 100)
90 of them and a signal S with priority PL (total number 3
0) and the total number (10) of signals S0 having priority P0 are transmitted.
次に条件■においては、送信待行列１−３乃至１−０に
待機中の信号Ｓ３乃至Ｓ００数は、何れも保証信号数Ｗ
ｌ乃至Ｗ０を上回る為、第一送信処理部２５が各送信待
行列１−３乃至１−０に配列中の信号Ｓ、乃至３０の中
から、それぞれ保証信号数ｗ、（＝９０）、Ｗｔ （
−８０）、Ｗｌ（＝２０）およびＷ、（＝１０）だけを
共通信号線４に送信した状態で、送信信号総数Ｎ７が保
証信号総数Ｗ１に等しくなる為、第二送信処理部２６は
起動されることは無い。Next, in condition (3), the number of signals S3 to S00 waiting in the transmission queues 1-3 to 1-0 is the guaranteed signal number W
1 to W0, the first transmission processing unit 25 selects the guaranteed signal numbers w, (=90), and Wt from among the signals S to 30 arranged in each transmission queue 1-3 to 1-0, respectively. (
-80), Wl (=20) and W, (=10) are transmitted to the common signal line 4, and the total number of transmitted signals N7 becomes equal to the total number of guaranteed signals W1, so the second transmission processing section 26 is activated. It won't happen.
以上の説明から明らかな如く、本実施例によれば、第一
送信処理部２５が各優先度Ｐｉを有する信号Ｓ！に、少
なくとも保証信号数Ｗｌ迄の数を送信可能とし、残る共
通信号線４の信号送信能力の余力を、第二送信、処理部
２６が優先度Ｐｉ順、且つ先着順に送信を行う為、条件
■および条件■の如く、送信待行列！−ｉに配列中の信
号Ｓ１の総数が、許容信号送信数Ｗｒを上回る場合にも
、最低の優先度Ｐ０を有する信号Ｓ６が常に保証信号数
Ｗｅ（＝１０個）は送信されることとなる。As is clear from the above description, according to the present embodiment, the first transmission processing section 25 receives signals S! with each priority Pi! In order to make it possible to transmit at least the number of guaranteed signals Wl, and to use the signal transmission capacity of the remaining common signal line 4 as the second transmission, the processing unit 26 performs transmission in order of priority Pi and on a first-come, first-served basis. As in ■ and condition ■, send queue! - Even if the total number of signals S1 arrayed in i exceeds the permissible number of signal transmissions Wr, the signal S6 with the lowest priority P0 will always be transmitted for the guaranteed number of signals We (=10). .
なお、第２図乃至第６図はあく迄本発明の一実施例に過
ぎず、例えば送信待行列１−ｉに配列中の信号Ｓ□の数
は図示されるものに限定されることは無く、他に幾多の
変形が考慮されるが、何れの場合にも本発明の効果は変
わらない。また各保証信号数Ｗｉは共通信号線４の許容
信号送信数を総て分配するものに限定されることは無く
、共通信号線４の許容信号送信数の一部を分配する等、
他に幾多の変形が考慮されるが、何れの場合にも本発明
の効果は変わらない。更に本発明の対象とする信号処理
システムは、例示される共通線信号処理システムに限定
されぬことは言う迄も無い。Note that FIGS. 2 to 6 are only one embodiment of the present invention, and the number of signals S□ arranged in the transmission queue 1-i, for example, is not limited to what is shown in the figures. Although many other modifications may be considered, the effects of the present invention remain the same in any case. Furthermore, each guaranteed signal number Wi is not limited to distributing the entire allowable number of signal transmissions on the common signal line 4, but may distribute a part of the allowable number of signal transmissions on the common signal line 4, etc.
Although many other modifications may be considered, the effects of the present invention remain the same in any case. Furthermore, it goes without saying that the signal processing system to which the present invention is directed is not limited to the common line signal processing system illustrated.
以上、本発明によれば、前記信号処理システムにおいて
、信号処理システムが総ての優先度を有する信号に対し
、それぞれ保証処理量以内の信号処理を保証することと
なり、高優先度の信号が過負荷となった場合にも、低優
先度の信号の処理が途絶する恐れは無くなる。As described above, according to the present invention, in the signal processing system, the signal processing system guarantees signal processing within the guaranteed processing amount for each signal having all priorities, so that high priority signals are Even in the event of a load, there is no fear that processing of low-priority signals will be disrupted.
第１図は本発明の原理を示す図、第２図は本発明の一実
施例による送信処理部を示す図、第３図は本発明の一実
施例による送信処理過程を示す図、第４図は本発明の一
実施例による保証処理量を示す図、第５図は本発明の一
実施例による信号送信状況を示す図、第６図は本発明の
対象となる信号処理システムを示す図、第７図は従来あ
る送信処理過程を例示する図、第８図は従来ある信号送
信状況を例示する図である。
図において、１−３乃至１−０は送信待行列、２は送信
処理部、３は共通線信号装置、４は共通信号線、１０は
共通線信号処理、システム、２１−３乃至２１−０は保
証信号数レジスタ、２２は許容信号送信数レジスタ、２
３−３乃至２３−０は送信信号数計数品、２４は送信信
号総数計数器、２５は第一送信処理部、２６は第二送信
処理部、１００は保証処理量設定手段、２００は第一の
信号処理手段、３００は第二のｆδ号処理手段、を示虐
発吐の原理ｍ
半 １ 図
ＡぐインＣ日’ｑＩ：↓３Ｌイ言ｉ！！−埋合ｆ第２
酊
未俗咀二本３瑳福怨理顔Ｉ
察 ３ 閣
＊’ＦｔＦ！Ｆ’ｒ＋：Ｊａイ呆Ｊ（ｚＥ二：犬コ匹、
ＦＱイ列菓 ４ 図
４イト）：ｌ可１てよ３イ言号ｆａｔ状シｅ。
第５ 図
木缶明ｎ丈寸象とｒ；３イエラ尤とＰＬ５又テム慕 ６
口
第 ７ Ｎ
／−３
さ
（２）イ麦糸屯イ言号が°′焦いユ馬各（ｂ） 棧４
禿、ｒ３ｇが・牟在１３鳴含、イ梁（、寓に一襲イ言−
４１鰐−イ８．状）乙第 ε 区FIG. 1 is a diagram showing the principle of the present invention, FIG. 2 is a diagram showing a transmission processing section according to an embodiment of the invention, FIG. 3 is a diagram illustrating a transmission processing process according to an embodiment of the invention, and FIG. FIG. 5 is a diagram showing a guaranteed throughput according to an embodiment of the present invention, FIG. 5 is a diagram showing a signal transmission situation according to an embodiment of the present invention, and FIG. 6 is a diagram illustrating a signal processing system to which the present invention is applied. , FIG. 7 is a diagram illustrating a conventional transmission processing process, and FIG. 8 is a diagram illustrating a conventional signal transmission situation. In the figure, 1-3 to 1-0 are transmission queues, 2 is a transmission processing unit, 3 is a common line signal device, 4 is a common signal line, 10 is a common line signal processing system, 21-3 to 21-0 is the guaranteed signal number register, 22 is the allowable signal transmission number register, 2
3-3 to 23-0 are components for counting the number of transmitted signals, 24 is a total number of transmitted signals counter, 25 is a first transmission processing section, 26 is a second transmission processing section, 100 is a guarantee processing amount setting means, and 200 is a first The signal processing means, 300 is the second fδ number processing means, and the principle of demonstrative ejection is m. ! - Filling f 2nd
Drunken Mizoku Tsui 2 books 3 瑳福Onri-kao I Sensei 3 Kaku*'FtF! F'r+:Jai dumb J(zE2:dog dog,
FQ Ireika 4 Figure 4): l can 1 teyo 3 ii words fat-like shi e. Figure 5 Wooden can Akira n Length dimension and r;
Mouth No. 7 N / -3 Sa (2) Imu Ito Tun I word is °' impatient Yuma each (b) 棧4
Bald, r3g is 13 members, Iliang
41 Crocodile-i8. (state) Otsu No. ε Ward
Claims (1)
Ｓ＿ｉ）を、前記優先度（Ｐ＿ｉ）順、且つ先着順に処
理する信号処理システムにおいて、前記各優先度（Ｐ＿
ｉ）毎に保証処理量（Ｖ＿ｉ）を定め、且つ該保証処理
量（Ｖ＿ｉ）の総和が前記信号処理システムの総信号処
理能力を上回らぬ如く定め、 前記信号処理システム内に、 前記各保証処理量（Ｖ＿ｉ）を設定する保証処理量設定
手段（１００）と、 前記各信号（Ｓ＿ｉ）を、前記各優先度（Ｐ＿ｉ）毎の
信号処理量が前記保証処理量設定手段（１００）に設定
される前記保証処理量（Ｖ＿ｉ）を上限として、前記優
先度（Ｐ＿ｉ）順、且つ先着順に処理する第一の信号処
理手段（２００）と、 前記第一の信号処理手段（２００）が前記信号（Ｓ＿ｉ
）を処理した後、前記信号処理システムの総信号処理能
力に余力がある場合に、前記各信号（Ｓ＿ｉ）を前記優
先度（Ｐ＿ｉ）順、且つ先着順に処理する第二の信号処
理手段（３００）とを設けることを特徴とする優先度制
御方式。[Claims] A plurality of signals (having any one of a plurality of priorities (P_i)
In a signal processing system that processes signals S_i) in order of priority (P_i) and on a first-come, first-served basis, each priority (P_i)
i) A guaranteed processing amount (V_i) is determined for each guaranteed processing amount (V_i), and the sum of the guaranteed processing amount (V_i) is determined so as not to exceed the total signal processing capacity of the signal processing system, and within the signal processing system, each of the guaranteed processing guaranteed processing amount setting means (100) for setting the amount (V_i) of each signal (S_i); a first signal processing means (200) that processes the signal (200) in the order of the priority (P_i) and on a first-come, first-served basis with the guaranteed processing amount (V_i) as the upper limit; S_i
), if there is surplus in the total signal processing capacity of the signal processing system, a second signal processing means (300 ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63034343A JPH01209839A (en) | 1988-02-17 | 1988-02-17 | Priority control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63034343A JPH01209839A (en) | 1988-02-17 | 1988-02-17 | Priority control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01209839A true JPH01209839A (en) | 1989-08-23 |
Family
ID=12411488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63034343A Pending JPH01209839A (en) | 1988-02-17 | 1988-02-17 | Priority control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01209839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015091047A (en) * | 2013-11-06 | 2015-05-11 | 富士通株式会社 | Packet processing device, packet processing method and packet processing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62217749A (en) * | 1986-03-19 | 1987-09-25 | Toshiba Corp | Local area network equipment |
| JPS63284948A (en) * | 1987-05-15 | 1988-11-22 | Mitsubishi Electric Corp | Protocol conversion system |
-
1988
- 1988-02-17 JP JP63034343A patent/JPH01209839A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62217749A (en) * | 1986-03-19 | 1987-09-25 | Toshiba Corp | Local area network equipment |
| JPS63284948A (en) * | 1987-05-15 | 1988-11-22 | Mitsubishi Electric Corp | Protocol conversion system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015091047A (en) * | 2013-11-06 | 2015-05-11 | 富士通株式会社 | Packet processing device, packet processing method and packet processing system |
| US9876728B2 (en) | 2013-11-06 | 2018-01-23 | Fujitsu Limited | Packet processing apparatus, packet processing method, and packet processing system |
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