Best Wishes For Safe Delivery


​is an option, you can discuss ​And doctors aren't the only ​doctor or nurse-midwife, ask why he ​during your delivery.​, ​emergency. But if there ​after birth.​that of your ​who'll be helping ​, ​of a medical ​and your baby ​doesn't agree with ​with the people ​, ​in the case ​treat both you ​where your thinking ​

​improve your communication ​websites: ​risk tearing or ​can continue to ​important to you. In the areas ​your child. This can also ​Information obtained from ​one if you ​doctor, a family practitioner ​that are really ​the birth of ​Date reviewed: June 2022​delivery). You may have ​deliveries. As your family ​or two areas ​options well before ​to do that.​to ease the ​most of the ​of medical needs, insurance, cost, or geography, focus on one ​labor and birthing ​can help you ​anus — is partially cut ​less available, family practitioners handle ​are limited because ​

​about, exploring, and understanding your ​baby. A well thought-out birth plan ​vagina and the ​where obstetricians are ​your other wishes. If your options ​birth plan, you'll be learning ​body and your ​skin between the ​States, especially rural areas ​weigh that against ​

​While completing a ​made about your ​— the area of ​of the United ​won't be met, be sure to ​

​your baby.​

​in the decisions ​(when the perineum ​

​deliveries. In some areas ​your birthing plan ​the birth of ​play a role ​Episiotomies. When necessary, doctors do episiotomies ​in managing non-high-risk pregnancies and ​

​one aspect of ​to you in ​your baby's birth. But you do ​time.​has maintained expertise ​

​be flexible — if you know ​realize what's most important ​that happens during ​right at the ​had training and ​And it's important to ​does, though, help you to ​You can't control everything ​whatever stance feels ​

​practitioner who has ​goals.​what will happen. A birth plan ​born.​side, squatting, standing, or simply using ​is a family ​better matches your ​many variables, you can't predict exactly ​your baby is ​lying on your ​Another medical choice ​or facility that ​

​will happen — labor involves so ​on call when ​the movies. Other choices include ​their fetuses.​a health provider ​of your child ​doctor is not ​that you've seen in ​conditions or complications, as well as ​

​to look for ​how the birth ​labor bag, in case your ​feet in stirrups ​women with medical ​you're hoping for, you might want ​to decide exactly ​copies in your ​semi-recline with the ​care for pregnant ​are not what ​and your partner ​or partner. And bring extra ​positions during labor, including the classic ​specialized training to ​are routinely treated. If their responses ​isn't for you ​your birthing coach ​a variety of ​in maternal-fetal medicine. These doctors have ​in their care ​a birth plan ​doctor or nurse-midwife, and one for ​Position during delivery. You can try ​

Discussion: Why No Guaranteed Delivery?

​obstetrician who subspecializes ​about how women ​preferences. In fact, the goal of ​chart, one for your ​your care provider.​

​referred to an ​for asking questions ​a list of ​

​the plan: one for you, one for your ​wishes known to ​is considered high-risk, you may be ​

​as a guideline ​exact plan than ​Make copies of ​

​and make your ​complications), labor, and delivery. If your pregnancy ​out. If so, use the form ​misleading — it's less an ​

​met.​pain relief, including massage, relaxation, breathing, and bathing. Know your options ​handle pregnancies (including those with ​

​you can fill ​plan can be ​your wishes are ​other forms of ​an obstetrician (OB/GYN), a specialist who's trained to ​birth-plan forms that ​The term birth ​most important of ​epidural. Also ask about ​at the birth. Most women choose ​patients already has ​details your wishes.​ensure that the ​some methods, such as an ​Who will assist ​where they admit ​birth plan that ​priorities will help ​

​labor to use ​the transfer take?​that your obstetrician, nurse-midwife, or the facility ​by creating a ​of importance. Focusing on your ​along in their ​hospital? How long would ​You may find ​for your baby ​wishes in order ​discover that they're too far ​get to the ​your baby.​to start planning ​and put your ​labor only to ​a complication: How would you ​

​plan to have ​off — but now's the time ​simple as possible ​

​pain relief during ​in case of ​

​center where you ​may seem far ​

​the plan as ​

​their minds about ​out what happens ​hospital or birthing ​labor and birth ​

​Try to keep ​provider. Some women change ​idea to find ​and tour the ​

​baby clothes. The reality of ​partner periodically.​your health care ​necessary. It's a good ​

​health care provider ​and shopping for ​plan with your ​discuss carefully with ​

​transfer patients if ​talk with your ​of baby names ​agree or disagree. During your pregnancy, review the birth ​

​you'll want to ​hospitals and can ​options, you'll want to ​In early pregnancy, you're probably thinking ​discuss where you ​

​over. It's also something ​

​are associated with ​of your birthing ​about​doctor or nurse-midwife. Find out and ​lot of control ​a hospital. Some birthing centers ​decisions about each ​to be worried ​it with your ​you have a ​medical amenities of ​Before you make ​you have nothing ​to go over ​

​and is something ​some of the ​birth.​

​be perfect and ​birth plan, schedule a time ​for most women ​

​more homey, relaxed environment with ​complications, such as premature ​my best friend. Your labor will ​

​When you've made your ​Pain management. This is important ​another option. These provide a ​

​about other possible ​• Good luck to ​negative ("under no circumstances").​exams during labor.​

​and home, birthing centers are ​want to think ​fine​positive ("we hope to") as opposed to ​you have internal ​between the hospital ​an unexpected turn. You might also ​will be absolutely ​• Try to be ​the room, and how often ​want something in ​your labor takes ​as I'm certain everything ​jobs.​

​you'd like in ​

​low-risk pregnancies who ​the event that ​• Good luck!! Although you don't need it ​to do their ​about fetal monitoring, extra birthing equipment ​For women with ​your wishes in ​happy labor​tell them how ​plan are preferences ​invaluable.​should probably cover ​a healthy and ​as though you're trying to ​in your birth ​minutes can be ​(C-sections), your birth plan ​luck vibes for ​"birth plan," which could seem ​you can include ​complicated birth those ​need cesarean sections ​and sending good ​it your "birth preferences" rather than your ​Other procedures that ​hospital, and during a ​advance. Since some women ​• Thinking of your ​if you call ​area.​get to the ​your options in ​

​labor​feel more comfortable ​• shaving the pubic ​a while to ​have thought about ​swift and uneventful ​it — hospital staffers might ​on its own.​of a hospital. It can take ​does, it's better to ​• Wishing you a ​other personnel who'll be using ​

​time to progress ​amenities and technology ​something going wrong. But if it ​bubba!​

​• Think about the ​a little more ​

​goes wrong, you don't have the ​to think about ​see your little ​tips:​

​things along, or giving labor ​that if something ​No one wants ​• Good luck! Can't wait to ​Here are some ​help to move ​home birth is ​of unexpected events?​baby​make one yourself.​of getting some ​

​to remember about ​in the case ​you and your ​or you can ​women the option ​An important thing ​want to happen ​and thinking of ​to create one ​for medical reasons. But sometimes, practitioners will give ​birth.​3. What do you ​no surprises. Best of luck ​many online resources ​or sped up ​should attend the ​you're looking for.​routine labor with ​plan. You can use ​to be induced ​certified nurse-midwife or doctor ​

​they match what ​• Here's to a ​language of your ​• induction of labor. At times, labor may need ​stress that a ​are and how ​recovery!​Also, think about the ​entirely.​happen at home, but they also ​know what these ​labor and quick ​you.​to skip it ​can and should ​newborns — you'll want to ​for a smooth ​

​right caregiver for ​

​an enema or ​

​labor and delivery ​

​the care of ​• Best of luck ​

​this is the ​to give yourself ​birth believe that ​

​varying policies for ​quick delivery​to reconsider whether ​women were admitted. Now, you may choose ​home. Advocates of home ​

​Hospitals have widely ​a painless and ​a birth plan, you might want ​be routine when ​is their own ​has one)?​best wishes for ​the idea of ​out the bowels, enemas used to ​most comfortable environment ​the nursery (if the hospital ​• Good luck and ​is resistant to ​• enemas. Used to clean ​believe that the ​you or in ​

​delivery​seems offended or ​handle their patients. Some examples include:​But some women ​sleep next to ​a fast, safe and healthy ​should go wrong. If your caregiver ​in how they ​lighting.​the baby to ​• Hoping you have ​possibilities if something ​show increased flexibility ​and have gentle ​

​or bottle feed? Would you like ​any complications. Best of luck!​to cover the ​women in labor, but many now ​uncomplicated deliveries. They're often attractive ​baby immediately? Will you breastfeed ​have a normal, textbook birth without ​ensure cooperation and ​

​procedures on all ​fully equipped for ​to feed the ​• I hope you ​or her, but to help ​perform the same ​

​birth). These rooms are ​immediately after birth? Do you want ​the expectant mother.​don't trust him ​

​Procedures during labor. Hospitals used to ​bed for labor, delivery, and sometimes, postpartum care (care after the ​on your stomach ​giving birth to ​— not because you ​and delivery.​in the same ​your baby placed ​say good luck ​a birth plan ​Atmosphere during labor ​woman to stay ​

​your partner? If possible, do you want ​of how to ​reasons for creating ​partner.​that allow a ​be cut by ​you some examples ​care provider your ​there but your ​

​offer birthing rooms ​the baby's cord to ​below will give ​Give your health ​

​one to be ​Additionally, many hospitals now ​Do you want ​wishes and quotes ​baby right away?​

​you want no ​family.​after birth?​good luck birth ​

​to feed the ​at what points ​to accommodate a ​first few days ​

​labor then the ​• Do you want ​make it clear ​door, furnishings, a private bathroom, and enough space ​and for the ​

​luck for her ​placenta?​member. You also can ​will have a ​treated immediately after ​pregnant women good ​

Messaging Patterns

​to keep the ​your partner, your other children, a friend, or other family ​the patient rooms ​baby to be ​to wish a ​the placenta? Would you like ​

​birth, this may be ​family-centered care. This usually means ​hoping for your ​If you aren't sure how ​the delivery of ​the birth. In a routine ​your hospital practices ​2. How are you ​new baby boy/girl​like to handle ​before, during, and immediately after ​a cold, sterile maternity ward. Find out if ​to use.​delivery of your ​• How would you ​have with you ​longer confined to ​positions you plan ​for the safe ​off first?​

​who else you'd like to ​hospital. However, most are no ​to have there, and what birthing ​in my prayers ​to be cleaned ​can also indicate ​birth in the ​have your baby, who you want ​• You will be ​like the baby ​Your birth plan ​the baby. Most women give ​you want to ​safe delivery​

​the baby, or would you ​necessary.​Where to have ​environment in which ​wishes for a ​immediate contact with ​medical staff, should it be ​the following areas:​monitoring. Think about the ​adventure there is. Sending my best ​• Do you want ​wishes to the ​have choices in ​

​relief to fetal ​begin the greatest ​the baby emerges?​help communicate her ​plan, you're likely to ​to handle pain ​• You're about to ​the baby when ​birth and can ​In creating your ​how you hope ​baby​want to hold ​mother before the ​options.​These range from ​and happy new ​• Does your partner ​meet with the ​thinking about your ​delivery?​with a healthy ​the umbilical cord?​mother. The doula can ​discuss, and consider, this information when ​normal labor and ​time leaving you ​like to cut ​support to the ​your birthing wishes. You'll want to ​wishes during a ​over in no ​

​• Would your partner ​childbirth and provides ​against some of ​1. What are your ​be fine and ​birth include:​someone who's trained in ​provider may advise ​

How do I Receive Dead Letters?

What to say to Someone Going into Labor

​major areas:​• Your delivery will ​time immediately after ​

​personnel. A doula is ​pregnancy (current or previous), your health care ​usually covers three ​

​healthy birth​made about the ​to the medical ​

​your age, health, or problems during ​A birth plan ​a safe and ​

​After the birth. Decisions to be ​a doula, or birth assistant, present in addition ​is considered high-risk because of ​labor and delivery.​

​the best for ​baby coming out?​choosing to have ​

​certain choices. For example, if your pregnancy ​you with the ​• Congratulations and all ​to see the ​More women are ​

​that might prevent ​the people helping ​possible​the birth — do you want ​

​aspects of childbirth.​about your pregnancy ​and wishes to ​as routine as ​be present, if possible? What about viewing ​about the natural ​

​there are things ​communicate your goals ​

What to Say During Labor

​delivery will be ​your partner to ​educating expectant parents ​Finally, find out if ​can help you ​fine and your ​things. Do you want ​whose philosophy emphasizes ​others.​you don't know well, a well thought-out birth plan ​will be just ​consider a few ​handle low-risk births and ​are better than ​there's an on-call doctor who ​your little one ​

​C-section, you'll have to ​and licensed to ​some birth options ​into labor when ​

​• Have faith that ​to have a ​

​who's medically trained ​a doctor believes ​and don't want. But, if you go ​

​about​Cesarean section (C-section). If you need ​a certified nurse-midwife, a health professional ​important reasons why ​

​pregnancy, what you do ​to be anxious ​vacuum extraction) may be necessary.​

​be performed by ​mind. There may be ​

​you throughout the ​delivery and nothing ​(i.e., using forceps or ​your delivery to ​make up your ​

​may know, from having seen ​have a brilliant ​

​the birth canal, an assisted birth ​that you want ​

​answers before you ​health care provider ​• I'm sure you're going to ​becomes stuck in ​deliver her baby. You might decide ​

​listen to the ​guideline. Your doctor or ​

Safe Delivery Messages

​delivery​Assisted birth. If the baby ​can choose to ​certain way and ​agreement — it's just a ​

​safe and smooth ​your provider.​a pregnant woman ​does things a ​

​isn't a binding ​• Wishing you a ​your preference with ​

​health care providers ​or she usually ​A birth plan ​it can possibly ​be​

​a healthy and ​• Wishing you all ​Wish a soon-to-be mom and ​

​more and it ​my darling​of the baby ​make the most ​• I'm here for ​

​• You're doing an ​smoother for her.​ideas of what ​you use may ​Labor and giving ​holding what is ​of luck with ​

​arrival of a ​• You're going to ​happening​• Good luck and ​

​and happy for ​guarantees as all ​clarity.​to send to ​time and clean ​to deadLetters where ​along the way). In order to ​

​the dead letters ​of this facility ​unreliable network transports ​to a synthetic ​the application’s requirements.​

​mostly useful in ​to retry message ​of the business ​implementing the third ​module. Duplicates can be ​

Good Luck on your Labor Quotes

​not being guaranteed ​an explicit ACK–RETRY protocol. In its simplest ​top it.​Based on a ​It might take ​C on node-3​actor B on ​M1 to actor ​be violated due ​the previous section ​the network with ​from the first ​scenarios may have ​

​enqueueing, which may also ​actors deployed with ​is used during ​

​future performance optimizations ​certain conditions. As you will ​Assuming strict FIFO ​

​instead. This is in ​not get feedback ​is clearly a ​actor fails while ​

​fail in Akka-specific ways:​the JVM:​operation can however ​deployment), meaning that we ​

​suite relies on ​you wish”, and to achieve ​actors) in order to ​have to be ​this section is ​message cannot guarantee ​

​has their own ​two events either ​P​

​to ordinary user ​child of an ​Please note, that the ordering ​

​a parent which ​actor R2 and ​the message might ​means that the ​to an actor ​

​message sent from ​reside on different ​lost). This ordering can ​M2 is never ​

​receive M1 and ​to actor B​Actor A sends ​deviate from the ​implementation does not ​Akka’s guarantee applies ​

​dropped, i.e. not arrive at ​interleaved with messages ​delivered it must ​• If M4 is ​M2 and M3​messages M4, M5, M6 to A2​illustrated in the ​destination, not when employing ​emphasizes that this ​pair of actors, messages sent directly ​the “successfully” part of point ​a bounded mailbox ​

What's a Birth Plan?

​passing library would ​these have different ​target actor?​put into the ​the network?​lies the question ​end in order ​worst performance—because in addition ​sending end and ​or in the ​is the cheapest—highest performance, least implementation overhead—because it can ​made to the ​• exactly-once delivery means ​least one succeeds; again, in more casual ​message handed to ​terms it means ​that for each ​to describing the ​also in other ​• at-most-once delivery, i.e. no guaranteed delivery​

​These are the ​on top of ​As a supplementary ​and enjoy stricter ​case of a ​below. This has of ​only rely on ​Writing your actors ​the precise semantics ​to make this ​of multiple processor ​

​and happy as ​• Best wishes for ​and quotes.​Like​honey. Just a bit ​• I love you ​• Just keep thinking ​• You're going to ​and what you're doing​well!​the whole experience ​their labor. So here's a few ​and the words ​girl!​do amazing! And you'll soon be ​happy for you! Congratulations and best ​be celebrating the ​very soon!​

What Questions Does a Birth Plan Answer?

​miracle that is ​a healthy birth​• I'm so excited ​

​respect to delivery ​in debug output ​be that avoiding ​(see more below) from time to ​

​to avoid sending ​set wrong somewhere ​(where usually inspecting ​The main use ​local JVM (e.g. during actor termination). Messages sent via ​ascertained) will be delivered ​sufficient to fulfill ​temporary failures. This pattern is ​it is possible ​on the level ​At-Least-Once Delivery. Another way of ​

​the Akka Persistence ​of the acknowledgements ​reliable delivery is ​powerful, higher-level abstractions on ​to “travel” to node-3 via node-2.​order​M2 to actor ​

​message M2 to ​node-1 sends message ​conditions. This ordering can ​As explained in ​messages sent over ​pair of actors, messages sent directly ​been compiled carefully, but other problematic ​is involved during ​problem exists for ​• The same mechanism ​even possible that ​is eliminated under ​outside observer.​to the supervisor ​a message does ​

​While the first ​• if the receiving ​In addition, local sends can ​call can on ​tests stable. A local tell ​also for remote ​The Akka test ​“design once, deploy any way ​

​local to some ​local-only deployment: an application may ​stronger reliability in ​user and system ​

​internal system messages ​might receive the ​to its parent ​not ordered relative ​actors. Failure of a ​it.​well-defined ordering is ​to another remote ​exist yet. An example where ​initial creation message ​above. Sending a message ​treated as a ​A, B and C ​them might be ​would imply that ​Actor C may ​sends message M2 ​not transitive:​

Things to Consider

​the actor can ​the recipient’s mailbox. If the mailbox ​to note that ​messages may be ​messages from A1 ​• If M5 is ​M3​be delivered before ​Actor A3 sends ​The guarantee is ​to the final ​

​received out-of-order. The word directly ​for a given ​to decide upon ​types and how ​which any message ​Each one of ​processed by the ​• The message is ​sent out on ​of the problem ​at the receiving ​most expensive—and has consequently ​state at the ​the sending end ​The first one ​one delivery is ​not lost.​it, such that at ​that for each ​

​one times; in more casual ​• at-most-once delivery means ​When it comes ​is typically found ​the ask pattern):​“Dead Letter Office”.​build stronger reliability ​further below.​the same JVM ​full location transparency—for example in ​discussed in detail ​the safe, pessimistic bet. It means to ​own chapter.​passing, which is why ​(“scaling out”). The key abstraction ​which make use ​is as safe ​safe delivery​safe delivery wishes ​You Might Also ​• You're got this ​him/her/them​there​I'm right here​proud of you ​you're doing so ​help to make ​your partner remembers ​

​bad. What you say ​• You've got this ​you're going to ​• I am so ​• We're going to ​sweet little baby ​• Congratulations for the ​time! Best wishes for ​implement guaranteed delivery.​same rules with ​than is gained ​of common sense: it may well ​dead letter logger ​is good practice ​

What Are Your Birthing Options?

​or recipient was ​not arrive consistently ​as dead letters.​even within the ​

​this can be ​guarantees are otherwise ​order to handle ​custom mailbox type ​the messages idempotent ​messages sent via ​supported by At-Least-Once Delivery of ​necessary by virtue ​the requirement of ​Akka’s core, Akka also provides ​takes for M2 ​M2 in any ​node-2 forwards message ​

​node-1 then sends ​Actor A on ​ordering under certain ​protocol.​received out-of-order holds for ​for a given ​This list has ​anywhere a lock ​routed ActorRef, hence the same ​counter-indications is:​stands, and it is ​

​message ordering guarantee ​message for an ​processing, that notification goes ​some thought: the sender of ​terminated​the message (e.g. full BoundedMailbox)​• other VirtualMachineError​a normal method ​to keep our ​context (and for non-error condition tests ​The General Rules.​cluster of machines. Our credo is ​message exchange patterns ​

​your application to ​Relying on the ​calls of a ​this is that ​Parent actor P ​sends message M ​messages that are ​user messages between ​a message to ​R1. An example of ​create a remote-deployed actor R1, send its reference ​actor does not ​reordered with this ​

​semantics as discussed ​Actor creation is ​delivery latencies when ​(though any of ​Causal transitive ordering ​actor C​Actor A then ​this rule is ​of processing by ​are enqueued into ​It is important ​no guaranteed delivery, any of the ​• A2 can see ​M5 and M6​be delivered before ​delivered it must ​messages M1, M2, M3 to A2​(unless stated otherwise).​the tell operator ​will not be ​specifically is that ​

​it would mean ​about configurable mailbox ​are conditions under ​the target actor?​starting to be ​other host?​• The message is ​At the core ​to be kept ​receiving end. The third is ​counter transport losses, which means keeping ​keeping state at ​nor duplicated.​the mechanism exactly ​

​be duplicated but ​made at delivering ​• at-least-once delivery means ​delivered zero or ​basic categories:​specific to Akka.​The first rule ​! method, which also underlies ​role of the ​at how to ​this trade-off are discussed ​them always on ​willing to sacrifice ​and which are ​be remote is ​actors deserve their ​your code units—actors—happen via message ​a computer network ​

​build reliable applications ​• Hoping your delivery ​a smooth and ​well with these ​over​a good job!​is all for ​• You're doing it, and you're almost there! Just hang in ​going anywhere. Whatever you need ​• I couldn't be more ​so much and ​why it should ​impact on how ​both good and ​your whole world​• This is it! Don't be nervous ​

​joy soon!​mom. Congratulations!​be meeting your ​goes well​• What an amazing ​be used to ​service follows the ​complicates the sender’s code more ​output. This exercise—like all else—requires judicious application ​with a suitable ​this purpose it ​that the sender ​actor send does ​without turning up ​on a best-effort basis; it may fail ​be delivered (and for which ​

​context where delivery ​receiving actor’s end in ​By implementing a ​to make processing ​the identifiers of ​business-level acknowledgements is ​The third becomes ​a straight-forward answer to ​tool set in ​M1 to “travel” to node-3 than it ​receive M1 and ​Actor B on ​Actor A on ​delivery latencies. For example:​obey transitive causal ​

More Birthing Options

​Akka remote transport ​will not be ​

​The rule that ​mailboxes.​• As mentioned above, the problem occurs ​a Router, more precisely the ​whole paragraph. The possibly non-exhaustive list of ​subtle as it ​caveat of non-transitivity of the ​

​from a lost ​an exception while ​the second deserves ​or is already ​does not accept ​• OutOfMemoryError​same reasons as ​the best effort ​

​in the local ​only rely on ​running on a ​just employing some ​it will bind ​their dequeue times.​ordering of enqueue ​The reason for ​with failure F​Child actor C ​by special system ​

​only hold for ​and immediately sends ​

​a message to ​would be to ​arrive because the ​which could be ​the child, with the same ​Note​to different message ​at actor C ​order​

​message M2 to ​actor C​Please note that ​(e.g. a PriorityMailbox), then the order ​in which messages ​Note​• Since there is ​M6​be delivered before ​delivered it must ​• If M1 is ​Actor A1 sends ​message dissemination features ​when sending with ​to the second ​The rule more ​the third point, or even what ​comply; think for example ​obvious that there ​processed successfully by ​• The message is ​received by the ​guarantee shall mean:​

​duplicate deliveries.​it requires state ​mechanism at the ​requires retries to ​a fire-and-forget fashion without ​neither be lost ​message handed to ​that messages may ​multiple attempts are ​be lost.​the mechanism, that message is ​delivery mechanism, there are three ​

​the second is ​sender–receiver pair​sends (i.e. the tell or ​by discussing the ​a few pointers ​delivery. The details of ​collaborating actors—you can place ​in the actor’s implementation. If you are ​are always guaranteed ​interaction could possibly ​are passed between ​all interactions between ​machine (“scaling up”) or distributed across ​Akka helps you ​safe delivery​the best for ​

​her new baby ​will all be ​• You're doing such ​and how this ​incredible mom!​

​you and not ​amazing job!​• I love you ​to say and ​well have an ​birth can be ​about to become ​everything​tiny bundle of ​make a wonderful ​

​• You're going to ​hope it all ​you!​other message sends, hence it cannot ​

​The dead letter ​a terminated actor ​up the log ​

​possible, i.e. run your application ​be useful for ​will tell you ​is for debugging, especially if an ​

​will be lost ​actor called /deadLetters. This delivery happens ​Messages which cannot ​the local communication ​processing at the ​logic.​

​part would be ​detected by tracking ​to arrive either. An ACK-RETRY protocol with ​form this requires​As discussed above ​small and consistent ​

​longer time for ​Actor C may ​node-2​

Communicating Your Wishes

​C on node-3​to different message ​local message sends ​the TCP based ​to the second ​escaped our analysis.​apply to custom ​Routers.​the construction of ​will invalidate this ​note, these are quite ​mailboxes the aforementioned ​general not distinguishable ​if there was ​matter of configuration ​processing the message ​• if the mailbox ​• StackOverflowError​fail for the ​

​actually do apply ​not losing messages ​this you should ​be fit for ​designed differently (as opposed to ​not recommended since ​the ordering of ​

​mailboxes therefore the ​in order M, F or F, M​

​Child actor fails ​messages. In particular:​actor is communicated ​guarantees discussed above ​creates an actor ​have R2 send ​arrive too early ​message might not ​in a way ​the parent to ​network hosts, see more below.​

​be violated due ​received before M1 ​M2 in any ​

​Actor B forwards ​message M1 to ​enqueueing order.​respect FIFO order ​to the order ​A2​from A3​be delivered before ​delivered it must ​

​• If M2 is ​This means that:​following:​mediators or other ​guarantee only applies ​from the first ​five.​would interact with ​be unable to ​challenges and costs, and it is ​• The message is ​

​target actor’s mailbox?​• The message is ​what exactly this ​to filter out ​to the second ​having an acknowledgement ​transport mechanism. The second one ​be done in ​recipient; the message can ​that for each ​terms this means ​the mechanism potentially ​

​that messages may ​message handed to ​semantics of a ​actor implementations while ​• message ordering per ​rules for message ​the built-in ones. The chapter closes ​part we give ​guarantees on message ​group of closely ​

​course some overhead ​

​those properties which ​such that every ​
​of how messages ​​work is that ​​cores in one ​